//www.getgobooth.com/ 必威体育下载 daily 15 2024-08-20 10:33:37 apsoffice@iphy.ac.cn apsoffice@iphy.ac.cn 2024-08-20 10:33:37 zh Copyright ©Acta Physica Sinica All Rights Reserved. 京ICP备05002789号-1 Address: PostCode：100190 Phone: 010-82649829，82649241,82649863 Email: apsoffice@iphy.ac.cn Copyright ©Acta Physica Sinica All Rights Reserved apsoffice@iphy.ac.cn 1000-3290 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1045 Author(s): QIANG WEN-CHAO <br/><p>In this article, the Gaussian curvature of the event horizon of a Kerr-NUT black hole is given. The effect of NUT parameter on the equatorial circumference and the polar circumference of the event horizon is analysed. The problem of embedding the surface in Euclidean 3-space is examined. It is shown that the event horizon of a Kerr-NUT black hole has the geometrical properties which other black holes do not porsess.</p> <br/>Acta Physica Sinica. 1992 41(7): 1045-1056. Published 2005-07-03 Author(s): QIANG WEN-CHAO <br/><p>In this article, the Gaussian curvature of the event horizon of a Kerr-NUT black hole is given. The effect of NUT parameter on the equatorial circumference and the polar circumference of the event horizon is analysed. The problem of embedding the surface in Euclidean 3-space is examined. It is shown that the event horizon of a Kerr-NUT black hole has the geometrical properties which other black holes do not porsess.</p> <br/>Acta Physica Sinica. 1992 41(7): 1045-1056. Published 2005-07-03 SURFACE GEOMETRY OF A KERR-NUT BLACK HOLE QIANG WEN-CHAO 2005-07-03 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1992 41(7): 1045-1056. article doi:10.7498/aps.41.1045 10.7498/aps.41.1045 Acta Physica Sinica 41 7 2005-07-03 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1045 1045-1056 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1057 Author(s): ZHU ZUO-NONG <br/><p>The generalized KdV equation ut+2μuux+v3x+δu5x=0(μvδ≠0) is studied. Some new soliton solutions of this equation are obtained and some conclusions of Ref [10] are modified.</p> <br/>Acta Physica Sinica. 1992 41(7): 1057-1062. Published 2005-07-03 Author(s): ZHU ZUO-NONG <br/><p>The generalized KdV equation ut+2μuux+v3x+δu5x=0(μvδ≠0) is studied. Some new soliton solutions of this equation are obtained and some conclusions of Ref [10] are modified.</p> <br/>Acta Physica Sinica. 1992 41(7): 1057-1062. Published 2005-07-03 THE SOLITON SOLUTIONS OF GENERALIZED KdV EQUATION ZHU ZUO-NONG 2005-07-03 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1992 41(7): 1057-1062. article doi:10.7498/aps.41.1057 10.7498/aps.41.1057 Acta Physica Sinica 41 7 2005-07-03 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1057 1057-1062 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1063 Author(s): LI BO-ZANG, WU JIAN-HUA <br/><p>In this work, a simple algebraic approach to the second quantization representation (SQR) for systems of many /identical particles is developed. In comparison with the traditional method, our method is simpler and elementary in mathematical operation, as well as is more transparent in exploring the mathematical structure and physical meaning of wave functions and mechanical quantities in SQR.</p> <br/>Acta Physica Sinica. 1992 41(7): 1063-1071. Published 2005-07-03 Author(s): LI BO-ZANG, WU JIAN-HUA <br/><p>In this work, a simple algebraic approach to the second quantization representation (SQR) for systems of many /identical particles is developed. In comparison with the traditional method, our method is simpler and elementary in mathematical operation, as well as is more transparent in exploring the mathematical structure and physical meaning of wave functions and mechanical quantities in SQR.</p> <br/>Acta Physica Sinica. 1992 41(7): 1063-1071. Published 2005-07-03 A SIMPLE ALGEBRAIC APPROACH TO THE SECOND QUANTIZATION REPRESENTATION LI BO-ZANG, WU JIAN-HUA 2005-07-03 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1992 41(7): 1063-1071. article doi:10.7498/aps.41.1063 10.7498/aps.41.1063 Acta Physica Sinica 41 7 2005-07-03 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1063 1063-1071 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1072 Author(s): SHEN JUN, XU ZAI-XIN <br/><p>By using the closed time-path Green's function method, we investigate the zero momentum behavior of one particle irreducible diagrams for quantum field theory at finite temperature. It is shown that the zero momentum limits of the retarded form of these diagrams are no longer ambiguous provided that the "|p0| prescription", which implies the Kubo-Martin-Schwinger condition, is adopted.</p> <br/>Acta Physica Sinica. 1992 41(7): 1072-1080. Published 2005-07-03 Author(s): SHEN JUN, XU ZAI-XIN <br/><p>By using the closed time-path Green's function method, we investigate the zero momentum behavior of one particle irreducible diagrams for quantum field theory at finite temperature. It is shown that the zero momentum limits of the retarded form of these diagrams are no longer ambiguous provided that the "|p0| prescription", which implies the Kubo-Martin-Schwinger condition, is adopted.</p> <br/>Acta Physica Sinica. 1992 41(7): 1072-1080. Published 2005-07-03 ZERO MOMENTUM BEHAVIOR OF ONE PARTICLE IRREDUC. IBLE DIAGRAMS FOR QUANTUM FIELD THEORY AT FINITE TEMPERATURE SHEN JUN, XU ZAI-XIN 2005-07-03 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1992 41(7): 1072-1080. article doi:10.7498/aps.41.1072 10.7498/aps.41.1072 Acta Physica Sinica 41 7 2005-07-03 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1072 1072-1080 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1081 Author(s): CHEN ZHI-RONG, CHEN FEI-WU, YUAN HUI, LI XIAO-HUI, ZHAO LIAN-QING, NIU WEN-ZHANG, CHEN BING-XING, TENG SHU-LAN <br/><p>In this paper, we prove that forced Oregonator oscillator may be describled by cubic map, for there are three fixed points in four variables differential equations and the transfer function of chaos represents the character of cubic curve. We find the DSP symbolic description of 3-point cycle BK; C, 4-point cycle BK; LC, BK; C, BRK; C and draw a cycle line of BRK; C. We find two of one type in period-doubling bifurcations along a straight line. We studied five chaotic behaviours. Its dimensions are 2.02-2.37. In the middle region of chaos, its dimensions are slightly smaller, i.e., 2.02 to 2.09. Near the 4-point cycle line, its dimensions are 2.16 to 2.34.</p> <br/>Acta Physica Sinica. 1992 41(7): 1081-1086. Published 2005-07-03 Author(s): CHEN ZHI-RONG, CHEN FEI-WU, YUAN HUI, LI XIAO-HUI, ZHAO LIAN-QING, NIU WEN-ZHANG, CHEN BING-XING, TENG SHU-LAN <br/><p>In this paper, we prove that forced Oregonator oscillator may be describled by cubic map, for there are three fixed points in four variables differential equations and the transfer function of chaos represents the character of cubic curve. We find the DSP symbolic description of 3-point cycle BK; C, 4-point cycle BK; LC, BK; C, BRK; C and draw a cycle line of BRK; C. We find two of one type in period-doubling bifurcations along a straight line. We studied five chaotic behaviours. Its dimensions are 2.02-2.37. In the middle region of chaos, its dimensions are slightly smaller, i.e., 2.02 to 2.09. Near the 4-point cycle line, its dimensions are 2.16 to 2.34.</p> <br/>Acta Physica Sinica. 1992 41(7): 1081-1086. Published 2005-07-03 CHAOTIC DIMENSIONS OF FORCED OREGONATOR OSCILLATOR AND CUBIC MAP CHEN ZHI-RONG, CHEN FEI-WU, YUAN HUI, LI XIAO-HUI, ZHAO LIAN-QING, NIU WEN-ZHANG, CHEN BING-XING, TENG SHU-LAN 2005-07-03 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1992 41(7): 1081-1086. article doi:10.7498/aps.41.1081 10.7498/aps.41.1081 Acta Physica Sinica 41 7 2005-07-03 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1081 1081-1086 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1087 Author(s): ZHANG CUN-ZHOU, ZHANG GUANG-YIN, YU PING <br/><p>The soliton behavior of K2ZnCl4 crystal near commensurate-incommensurate phase transition point is investigated by dielectric measurement. It is found that the dielectric curve deviate from Curie-Weiss law and the dielectric peak value decrease with the increasing of the impurities. The influence of impurities on phase transition point Tch in heating run is larger than phase transition point Tcc in cooling run. This phenomenon is contrary to the case of Rb2ZnCl4 crystal. The linear and nonlinear response of a multisoliton lattice is well described by a Landau-type theory. Analysis shows that the thermal hysteresis is mainly determined by the action of impurities, but this does not imply that the Peierls lattice pinning potential may not play any role in the thermal hysteresis.</p> <br/>Acta Physica Sinica. 1992 41(7): 1087-1091. Published 2005-07-03 Author(s): ZHANG CUN-ZHOU, ZHANG GUANG-YIN, YU PING <br/><p>The soliton behavior of K2ZnCl4 crystal near commensurate-incommensurate phase transition point is investigated by dielectric measurement. It is found that the dielectric curve deviate from Curie-Weiss law and the dielectric peak value decrease with the increasing of the impurities. The influence of impurities on phase transition point Tch in heating run is larger than phase transition point Tcc in cooling run. This phenomenon is contrary to the case of Rb2ZnCl4 crystal. The linear and nonlinear response of a multisoliton lattice is well described by a Landau-type theory. Analysis shows that the thermal hysteresis is mainly determined by the action of impurities, but this does not imply that the Peierls lattice pinning potential may not play any role in the thermal hysteresis.</p> <br/>Acta Physica Sinica. 1992 41(7): 1087-1091. Published 2005-07-03 EFFECT OF IMPURITIES ON INCOMMENSURATE PHASE TRANSITION OF K2ZnCl4 CRYSTAL ZHANG CUN-ZHOU, ZHANG GUANG-YIN, YU PING 2005-07-03 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1992 41(7): 1087-1091. article doi:10.7498/aps.41.1087 10.7498/aps.41.1087 Acta Physica Sinica 41 7 2005-07-03 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1087 1087-1091 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1092 Author(s): WANG CHANG-BIAO <br/><p>The problem of stability of the equilibrium helical orbit in free-electron lasers with a combined ideal helical wiggler and uniform axial guide field is successfully solved by means of the Lyapunov's stability theory of motion. The unstable region is determined with perturbation of initial energy taken into account by Lyipunov's first method. An appropriate Lyapuov's function is constructed; accordingly, the low and high guide field stable regions are shown rigorously.</p> <br/>Acta Physica Sinica. 1992 41(7): 1092-1096. Published 2005-07-03 Author(s): WANG CHANG-BIAO <br/><p>The problem of stability of the equilibrium helical orbit in free-electron lasers with a combined ideal helical wiggler and uniform axial guide field is successfully solved by means of the Lyapunov's stability theory of motion. The unstable region is determined with perturbation of initial energy taken into account by Lyipunov's first method. An appropriate Lyapuov's function is constructed; accordingly, the low and high guide field stable regions are shown rigorously.</p> <br/>Acta Physica Sinica. 1992 41(7): 1092-1096. Published 2005-07-03 PROBLEM OF STABILITY OF THE EQUILIBRIUM HELICAL ORBIT IN FREE-ELECTRON LASERS WANG CHANG-BIAO 2005-07-03 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1992 41(7): 1092-1096. article doi:10.7498/aps.41.1092 10.7498/aps.41.1092 Acta Physica Sinica 41 7 2005-07-03 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1092 1092-1096 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1097 Author(s): GUO QI, REN ZHAN-MEI, LIAO CHANG-JUN, LIU SONG-HAO <br/><p>In this paper, it is demonstrated theoretically that, under the strong dispersion condition, the optical waveguides made of the media with non-central symmetry where the second order nonlinear susceptibility (SONS) is not zero, e.g.the thin-film waveguides and crystalline fibers, can also support these solitons but the nonlinear-index coefficient (NIC) in the nonlinea schro-dinger equation should be substituted by the effective NIC defined here. The results obtained here can be easily extended to discuss the other nonlinear effects connected with the NIC in the media with noncentral symmetry because of the definition of the effective NIC.</p> <br/>Acta Physica Sinica. 1992 41(7): 1097-1105. Published 2005-07-03 Author(s): GUO QI, REN ZHAN-MEI, LIAO CHANG-JUN, LIU SONG-HAO <br/><p>In this paper, it is demonstrated theoretically that, under the strong dispersion condition, the optical waveguides made of the media with non-central symmetry where the second order nonlinear susceptibility (SONS) is not zero, e.g.the thin-film waveguides and crystalline fibers, can also support these solitons but the nonlinear-index coefficient (NIC) in the nonlinea schro-dinger equation should be substituted by the effective NIC defined here. The results obtained here can be easily extended to discuss the other nonlinear effects connected with the NIC in the media with noncentral symmetry because of the definition of the effective NIC.</p> <br/>Acta Physica Sinica. 1992 41(7): 1097-1105. Published 2005-07-03 SOLITON PROPAGATION IN OPTICAL WAVEGUIDES MADE OF MEDIA WITH NON-CENTRAL SYMMETRY GUO QI, REN ZHAN-MEI, LIAO CHANG-JUN, LIU SONG-HAO 2005-07-03 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1992 41(7): 1097-1105. article doi:10.7498/aps.41.1097 10.7498/aps.41.1097 Acta Physica Sinica 41 7 2005-07-03 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1097 1097-1105 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1106 Author(s): PENG DONG-LIANG, WANG TIAN-MIN, TONG ZHI-SHEN <br/><p>Using positron lifetime and Doppler broadening lineshape parameter measurements, the recovery behaviors of defects in the deformed and post-deformation hydrogen-charged poly-crystalline pure Co have been studied. Experimental results indicate that the cathodic hydrogen-charging of deformed sample further introduce an additional amount of dislocations and vacancies as well as some vacancy clusters into it. However, it appears that mirrovoids and microcracks are not produced. The recovery temperature range of vacancies is 73-260℃; the annealing of dislocations and vacancy clusters occur in the range of 350-670℃. The migration activation energy of vacancy was measured to be 1.09±0.07eV.</p> <br/>Acta Physica Sinica. 1992 41(7): 1106-1110. Published 2005-07-03 Author(s): PENG DONG-LIANG, WANG TIAN-MIN, TONG ZHI-SHEN <br/><p>Using positron lifetime and Doppler broadening lineshape parameter measurements, the recovery behaviors of defects in the deformed and post-deformation hydrogen-charged poly-crystalline pure Co have been studied. Experimental results indicate that the cathodic hydrogen-charging of deformed sample further introduce an additional amount of dislocations and vacancies as well as some vacancy clusters into it. However, it appears that mirrovoids and microcracks are not produced. The recovery temperature range of vacancies is 73-260℃; the annealing of dislocations and vacancy clusters occur in the range of 350-670℃. The migration activation energy of vacancy was measured to be 1.09±0.07eV.</p> <br/>Acta Physica Sinica. 1992 41(7): 1106-1110. Published 2005-07-03 INVESTIGATION ON THE DEFECTS IN THE POST-DEFORM- ATION HYDROGEN-CHARGED POLYCRYSTALLINE PURE Co BY POSITRON ANNIHILATION PENG DONG-LIANG, WANG TIAN-MIN, TONG ZHI-SHEN 2005-07-03 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1992 41(7): 1106-1110. article doi:10.7498/aps.41.1106 10.7498/aps.41.1106 Acta Physica Sinica 41 7 2005-07-03 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1106 1106-1110 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1111 Author(s): XU YING-FAN, CHEN HONG, WANG WEN-KUI <br/><p>Undercooling behavior of Pd43.5Ni43.5P13 alloy was studied in a 20m drop tube. The solidified droplets were spheres with size ranged from 0.2 to 2.5 mm in diameter. The samples were examined by X-ray diffraction, scanning electron microscopy and X-ray energy dispersive spectrum. The results showed that when the alloy solidified in nitrogen at pressure of 1.8×104Pa, a near single phase of Pd-Ni-P fcc solid solution was obtained. This fact suggests that a partitionless solidification may occur during the solidification of the alloy in free fall. In addition, when the droplets solidified in nitrogen at pressure of 8.0×104Pa, an amorphous phase presented in the sample. This indicate that the sample had partially undercooled below the glass transition temperature Tg.</p> <br/>Acta Physica Sinica. 1992 41(7): 1111-1118. Published 2005-07-03 Author(s): XU YING-FAN, CHEN HONG, WANG WEN-KUI <br/><p>Undercooling behavior of Pd43.5Ni43.5P13 alloy was studied in a 20m drop tube. The solidified droplets were spheres with size ranged from 0.2 to 2.5 mm in diameter. The samples were examined by X-ray diffraction, scanning electron microscopy and X-ray energy dispersive spectrum. The results showed that when the alloy solidified in nitrogen at pressure of 1.8×104Pa, a near single phase of Pd-Ni-P fcc solid solution was obtained. This fact suggests that a partitionless solidification may occur during the solidification of the alloy in free fall. In addition, when the droplets solidified in nitrogen at pressure of 8.0×104Pa, an amorphous phase presented in the sample. This indicate that the sample had partially undercooled below the glass transition temperature Tg.</p> <br/>Acta Physica Sinica. 1992 41(7): 1111-1118. Published 2005-07-03 UNDERCOOLING AND FORMATION OF SUPERSA-TURATED SOLID SOLUTION OF Pd-Ni-P IN A 20m DROP TUBE XU YING-FAN, CHEN HONG, WANG WEN-KUI 2005-07-03 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1992 41(7): 1111-1118. article doi:10.7498/aps.41.1111 10.7498/aps.41.1111 Acta Physica Sinica 41 7 2005-07-03 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1111 1111-1118 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1119 Author(s): HU CHANG-WU, YU LI-MIN, XU YING, ZHU ANG-RU, WANG ZHAO-YONG <br/><p>Ammonia physisorption on polycrystalline copper surface at 85 K has been studied by infrared photoacoustic spectroscopy. Much attention has been paid on the vibrational spectra of ammonia symmetric deformation mode and its band variation as a function of coverage. The different coverage dependent behaviors are exhibited for ammonia adsorption respectively on clean and on oxygen pre-adsorbed copper surface, and can be explained by assuming that ammonia follows different adsorption mechanisms. Studies of the minute discrepancy between them further illustrate the applicability of this technique in surface adsorption analysis.</p> <br/>Acta Physica Sinica. 1992 41(7): 1119-1124. Published 2005-07-03 Author(s): HU CHANG-WU, YU LI-MIN, XU YING, ZHU ANG-RU, WANG ZHAO-YONG <br/><p>Ammonia physisorption on polycrystalline copper surface at 85 K has been studied by infrared photoacoustic spectroscopy. Much attention has been paid on the vibrational spectra of ammonia symmetric deformation mode and its band variation as a function of coverage. The different coverage dependent behaviors are exhibited for ammonia adsorption respectively on clean and on oxygen pre-adsorbed copper surface, and can be explained by assuming that ammonia follows different adsorption mechanisms. Studies of the minute discrepancy between them further illustrate the applicability of this technique in surface adsorption analysis.</p> <br/>Acta Physica Sinica. 1992 41(7): 1119-1124. Published 2005-07-03 PHOTOACOUSTIC SPECTROSCOPY INVESTIGATION OF NH PHYSISORPTION ON CLEAN AND OXYGEN PRE-ADSORBED Cu SURFACE HU CHANG-WU, YU LI-MIN, XU YING, ZHU ANG-RU, WANG ZHAO-YONG 2005-07-03 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1992 41(7): 1119-1124. article doi:10.7498/aps.41.1119 10.7498/aps.41.1119 Acta Physica Sinica 41 7 2005-07-03 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1119 1119-1124 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1125 Author(s): ZHAO RU-GUANG, YANG WEI-SHENG <br/><p>We have studied the interface formation process of Pb/Ni (001) system by means of tunable-sampling-depth electron energy loss spectroscopy (TELS) and Auger electron spectroscopy (AES). During the deposition of Pb, the AES peak height ratio of Pb to Ni versus time of deposition consists of three segments with the two turning points corresponding to 1 mono-layer (ML) and 2 ML respectively, indicating the Franck-Van der Merwe, i.e. layer by layer growth mode. Also during the Pb deposition, the Pb 6s band ELS peak appears as the Pb coverage is beyond 1 ML, while the Pb bulk plasmon peak appears at about 2 ML of Pb coverage. During the whole process of deposition and annealing, the ELS peak position and width of the Pb bulk plasmon peak, the 6s band peak as well as the Ni 3p band peak maintain their own pure metal values, and there was no new bulk plasmon peak. In view of all these facts, we have reached the conclusion that there is no intermixing of Pb with Ni and the interface of this system is abrupt.</p> <br/>Acta Physica Sinica. 1992 41(7): 1125-1131. Published 2005-07-03 Author(s): ZHAO RU-GUANG, YANG WEI-SHENG <br/><p>We have studied the interface formation process of Pb/Ni (001) system by means of tunable-sampling-depth electron energy loss spectroscopy (TELS) and Auger electron spectroscopy (AES). During the deposition of Pb, the AES peak height ratio of Pb to Ni versus time of deposition consists of three segments with the two turning points corresponding to 1 mono-layer (ML) and 2 ML respectively, indicating the Franck-Van der Merwe, i.e. layer by layer growth mode. Also during the Pb deposition, the Pb 6s band ELS peak appears as the Pb coverage is beyond 1 ML, while the Pb bulk plasmon peak appears at about 2 ML of Pb coverage. During the whole process of deposition and annealing, the ELS peak position and width of the Pb bulk plasmon peak, the 6s band peak as well as the Ni 3p band peak maintain their own pure metal values, and there was no new bulk plasmon peak. In view of all these facts, we have reached the conclusion that there is no intermixing of Pb with Ni and the interface of this system is abrupt.</p> <br/>Acta Physica Sinica. 1992 41(7): 1125-1131. Published 2005-07-03 TUNABLE-SAMPLING-DEPTH ELECTRON ENERGY LOSS SPECTROSCOPY AND AUGER ELECTRON SPECTROSC-OPY STUDIES OF Pb/Ni(001) INTERFACE ZHAO RU-GUANG, YANG WEI-SHENG 2005-07-03 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1992 41(7): 1125-1131. article doi:10.7498/aps.41.1125 10.7498/aps.41.1125 Acta Physica Sinica 41 7 2005-07-03 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1125 1125-1131 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1132 Author(s): WU XUE-MEI, WU QIN-CHONG, SUI YI-FENG <br/><p>The nanimeter-size crystalline Ti films have been manufactured by use of a sputtering deposition utilizing Electron Cyclotron Resonance (ECR) plasma at room temperature. The substrates are quartz glass, NaCl monocrystal and pure Al. The structure and the composition of the Ti films have been determined by using XRD, TEM, XPS. The results show that the granular Ti films consist of nanocrystal particles with the uniformi grain size, the average grain size d&lt;10nm, and with a stable abnormal fcc structure. The influence of working parameters on the crystal structure, the grain size, deposition rate and adhension of the films have been studied systematically. The mechanism of depositing Ti films have been discussed.</p> <br/>Acta Physica Sinica. 1992 41(7): 1132-1136. Published 2005-07-03 Author(s): WU XUE-MEI, WU QIN-CHONG, SUI YI-FENG <br/><p>The nanimeter-size crystalline Ti films have been manufactured by use of a sputtering deposition utilizing Electron Cyclotron Resonance (ECR) plasma at room temperature. The substrates are quartz glass, NaCl monocrystal and pure Al. The structure and the composition of the Ti films have been determined by using XRD, TEM, XPS. The results show that the granular Ti films consist of nanocrystal particles with the uniformi grain size, the average grain size d&lt;10nm, and with a stable abnormal fcc structure. The influence of working parameters on the crystal structure, the grain size, deposition rate and adhension of the films have been studied systematically. The mechanism of depositing Ti films have been discussed.</p> <br/>Acta Physica Sinica. 1992 41(7): 1132-1136. Published 2005-07-03 STRUCTURE STUDY OF NANOMETER-SIZE CRYSTALLINE Ti FILMS WU XUE-MEI, WU QIN-CHONG, SUI YI-FENG 2005-07-03 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1992 41(7): 1132-1136. article doi:10.7498/aps.41.1132 10.7498/aps.41.1132 Acta Physica Sinica 41 7 2005-07-03 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1132 1132-1136 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1137 Author(s): LIU CHANG-QING, JIN ZHU-JING, LI MEI-SHUAN, HUHE JI-FU, WU WEI-TAO <br/><p>The critical cracking and damage mode of titanium nitride films on pure titanium substrate at ambient temperature were investigated by the Cantilever Bending test. Acoustic Emission technique was employed for identifying the onset of the films fracture which occured with the load increasing when the inner stress of the films σf reached its ultimate strength σc or the shear stress at the interface τf reached the adhesion strength τc. In terms of the above criterions, the initial cracking of the film on the top occured at the inner of films when the load was increased to a critical value, i.e. Lct = 800gf; Whilst the cracking of the film on the bottom started along the interface at the critical load Lcc= 1285 gf. In addition, the feature of the cracking and spalling of the film has been discussed.</p> <br/>Acta Physica Sinica. 1992 41(7): 1137-1142. Published 2005-07-03 Author(s): LIU CHANG-QING, JIN ZHU-JING, LI MEI-SHUAN, HUHE JI-FU, WU WEI-TAO <br/><p>The critical cracking and damage mode of titanium nitride films on pure titanium substrate at ambient temperature were investigated by the Cantilever Bending test. Acoustic Emission technique was employed for identifying the onset of the films fracture which occured with the load increasing when the inner stress of the films σf reached its ultimate strength σc or the shear stress at the interface τf reached the adhesion strength τc. In terms of the above criterions, the initial cracking of the film on the top occured at the inner of films when the load was increased to a critical value, i.e. Lct = 800gf; Whilst the cracking of the film on the bottom started along the interface at the critical load Lcc= 1285 gf. In addition, the feature of the cracking and spalling of the film has been discussed.</p> <br/>Acta Physica Sinica. 1992 41(7): 1137-1142. Published 2005-07-03 CRITICAL CRACKING AND DAMAGE MODE OF TITANIUM NITRIDE FILMS LIU CHANG-QING, JIN ZHU-JING, LI MEI-SHUAN, HUHE JI-FU, WU WEI-TAO 2005-07-03 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1992 41(7): 1137-1142. article doi:10.7498/aps.41.1137 10.7498/aps.41.1137 Acta Physica Sinica 41 7 2005-07-03 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1137 1137-1142 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1143 Author(s): FU ROU-LI, MA YUN-SHENG, SUN XIN <br/><p>The excitation energy of soliton ε1 and its dependence upon electronlattice coupling: strength λ have been calculated in strongly coupled one dimensional electron-lattice systems. Our results show: The excitation energy of soliton ε1(λ) augments as λ increases. Whereas, ε1, will be always less than the energy needed to excite an electron or a hole in this system.</p> <br/>Acta Physica Sinica. 1992 41(7): 1143-1146. Published 2005-07-03 Author(s): FU ROU-LI, MA YUN-SHENG, SUN XIN <br/><p>The excitation energy of soliton ε1 and its dependence upon electronlattice coupling: strength λ have been calculated in strongly coupled one dimensional electron-lattice systems. Our results show: The excitation energy of soliton ε1(λ) augments as λ increases. Whereas, ε1, will be always less than the energy needed to excite an electron or a hole in this system.</p> <br/>Acta Physica Sinica. 1992 41(7): 1143-1146. Published 2005-07-03 EXCITATION ENERGY OF SOLITON IN STRONGLY COUPLED ELECTRON-LATTICE SYSTEM FU ROU-LI, MA YUN-SHENG, SUN XIN 2005-07-03 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1992 41(7): 1143-1146. article doi:10.7498/aps.41.1143 10.7498/aps.41.1143 Acta Physica Sinica 41 7 2005-07-03 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1143 1143-1146 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1147 Author(s): WANG RUI-PING, HUANG DA-JIN, SHI QIN-WEI, XU PENG, CHEN QI, GU GEN-DA, CAI WEI-LI, ZHOU GUI-EN, RUAN YAO-ZHONG <br/><p>The temperature dependences of the thermoelectric power of a single crystal Bi2Sr2CaCu2O8 were measured in both the a and b directions. We discovered the anisotropy of thermoelectric power in the a-b plane of the crystal. Suggeste that the differences between Sa and Sb are caused by the modulate structure in the b direction. A satisfactory explanation is given by taking into account the contributions of the relatively mobile electrons Sd, the relatively localized electrons Sh and the phonon drag effect Sg.</p> <br/>Acta Physica Sinica. 1992 41(7): 1147-1150. Published 2005-07-03 Author(s): WANG RUI-PING, HUANG DA-JIN, SHI QIN-WEI, XU PENG, CHEN QI, GU GEN-DA, CAI WEI-LI, ZHOU GUI-EN, RUAN YAO-ZHONG <br/><p>The temperature dependences of the thermoelectric power of a single crystal Bi2Sr2CaCu2O8 were measured in both the a and b directions. We discovered the anisotropy of thermoelectric power in the a-b plane of the crystal. Suggeste that the differences between Sa and Sb are caused by the modulate structure in the b direction. A satisfactory explanation is given by taking into account the contributions of the relatively mobile electrons Sd, the relatively localized electrons Sh and the phonon drag effect Sg.</p> <br/>Acta Physica Sinica. 1992 41(7): 1147-1150. Published 2005-07-03 ANISOTROPIC THERMOELECTRIC POWER OF Bi2Sr2CaCu2O8 SINGLE CRYSTAL WANG RUI-PING, HUANG DA-JIN, SHI QIN-WEI, XU PENG, CHEN QI, GU GEN-DA, CAI WEI-LI, ZHOU GUI-EN, RUAN YAO-ZHONG 2005-07-03 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1992 41(7): 1147-1150. article doi:10.7498/aps.41.1147 10.7498/aps.41.1147 Acta Physica Sinica 41 7 2005-07-03 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1147 1147-1150 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1151 Author(s): ZHAO YONG, ZHUGE XIANG-BIN, HE YE-YE <br/><p>By the substitution of Ca for Y, the holes are introduced into the insulating host material YBa2Cu3O6, and an insulator-to-metal transition, as well as superconductivity at 60K, is observed. The measurements of crystal structure, resistivity and ac susceptibility are performed, and the results indicate that the CuO planes with sufficient carrier concentration is the important condition for sustaining the high-Tc superconductivity.</p> <br/>Acta Physica Sinica. 1992 41(7): 1151-1156. Published 2005-07-03 Author(s): ZHAO YONG, ZHUGE XIANG-BIN, HE YE-YE <br/><p>By the substitution of Ca for Y, the holes are introduced into the insulating host material YBa2Cu3O6, and an insulator-to-metal transition, as well as superconductivity at 60K, is observed. The measurements of crystal structure, resistivity and ac susceptibility are performed, and the results indicate that the CuO planes with sufficient carrier concentration is the important condition for sustaining the high-Tc superconductivity.</p> <br/>Acta Physica Sinica. 1992 41(7): 1151-1156. Published 2005-07-03 INSULATOR-METAL TRANSITION AND SUPERCONDUCTI- VITY INDUCED BY HOLE DOPING IN Y1-xCaxBa2Cu3O6 SYSTEM ZHAO YONG, ZHUGE XIANG-BIN, HE YE-YE 2005-07-03 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1992 41(7): 1151-1156. article doi:10.7498/aps.41.1151 10.7498/aps.41.1151 Acta Physica Sinica 41 7 2005-07-03 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1151 1151-1156 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1157 Author(s): LU YA-FENG, WU XIAO-ZU, LI QING-YUN, ZHOU LIAN, XIN MIAN-RONG, LUO CHANG-XUN <br/><p>The superconductors with nominal composition of Bi2.0-xPbxSr1.9Ca2.2Cu3.3Oy were prepared by solid-state reaction method, XRD patterns were systematically studied for the samples. The results indicated that rich-Ca, Cu could accelerate the formation of (2223) phase, and broaden the sintering temperature range for a single phase. High-quality polycrystalline sample of 110K single phase was obtained. Annealing at lower temperature is beneficial to increase the volume ratio of 110K phase.</p> <br/>Acta Physica Sinica. 1992 41(7): 1157-1161. Published 2005-07-03 Author(s): LU YA-FENG, WU XIAO-ZU, LI QING-YUN, ZHOU LIAN, XIN MIAN-RONG, LUO CHANG-XUN <br/><p>The superconductors with nominal composition of Bi2.0-xPbxSr1.9Ca2.2Cu3.3Oy were prepared by solid-state reaction method, XRD patterns were systematically studied for the samples. The results indicated that rich-Ca, Cu could accelerate the formation of (2223) phase, and broaden the sintering temperature range for a single phase. High-quality polycrystalline sample of 110K single phase was obtained. Annealing at lower temperature is beneficial to increase the volume ratio of 110K phase.</p> <br/>Acta Physica Sinica. 1992 41(7): 1157-1161. Published 2005-07-03 SUPERCONDUCTIVITY OF RICH-Ca,Cu Bi(Pb)-Sr- Ca-Cu-O SYSTEM LU YA-FENG, WU XIAO-ZU, LI QING-YUN, ZHOU LIAN, XIN MIAN-RONG, LUO CHANG-XUN 2005-07-03 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1992 41(7): 1157-1161. article doi:10.7498/aps.41.1157 10.7498/aps.41.1157 Acta Physica Sinica 41 7 2005-07-03 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1157 1157-1161 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1162 Author(s): JI DA-REN, ZHANG JIAN-BO, YING HE-PING <br/><p>We have performed a numerical simulation of the three-state vector Potts model on a three-dimensional random lattice. The averages of energy density, magnetization, specific heat and suscetibility of the system in the N× N× N (N = 8, 10, 12) lattices were calculated. These results show that this spin system exhibits an energetie thermal hyoteresis diagram and a sharp peak of specific, which could show that the system experierces phase transition with 1st ordes Z(3) symmetry breaking, this conclusion is supported by the law of the jump of magnetization. These results obtained on the random lattice were consistent with those obtained on the three-dimensional cubic lattices.</p> <br/>Acta Physica Sinica. 1992 41(7): 1162-1166. Published 2005-07-03 Author(s): JI DA-REN, ZHANG JIAN-BO, YING HE-PING <br/><p>We have performed a numerical simulation of the three-state vector Potts model on a three-dimensional random lattice. The averages of energy density, magnetization, specific heat and suscetibility of the system in the N× N× N (N = 8, 10, 12) lattices were calculated. These results show that this spin system exhibits an energetie thermal hyoteresis diagram and a sharp peak of specific, which could show that the system experierces phase transition with 1st ordes Z(3) symmetry breaking, this conclusion is supported by the law of the jump of magnetization. These results obtained on the random lattice were consistent with those obtained on the three-dimensional cubic lattices.</p> <br/>Acta Physica Sinica. 1992 41(7): 1162-1166. Published 2005-07-03 MONTE CARLO SIMULATION OF THE THREE-STATE VECTOR POTTS MODEL ON A THREE-DIMENSIONAL RANDOM LATTICE JI DA-REN, ZHANG JIAN-BO, YING HE-PING 2005-07-03 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1992 41(7): 1162-1166. article doi:10.7498/aps.41.1162 10.7498/aps.41.1162 Acta Physica Sinica 41 7 2005-07-03 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1162 1162-1166 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1167 Author(s): ZHANG LIN <br/><p>The coercivity of cobalt-surface-modified γ-Fe2O3 particles is 8000 to 32000 A/m greater than that of the original γ-Fe2O3. The origins of uniaxial anisotropy and the mechanisms of the increase of coercivity of Co-γ-Fe2O3 and CoFe-γ-Fe2O3 particles are studied in this paper. The directional order (preferred orientation) of the cobalt ions appears on the surface of γ-Fe2O3, raises the surface uniaxial anisotropy and thus increases the coercivity of Co-γ-Fe2O3. The squareness ratios of various samples of CoFe-γ-Fe2O3 (Co/γ-Fe2O3 = 2 -16wt%) are obtaihed to be about 0.5. The coercivity of CoFe-γ-Fe2O3 is increased by the uniaxial anisotropy and multiaxial magnetocrystalline anisotropy strengthened after CoFe-coating. The origins of uniaxial anisotropy strengthened are suggested. The first is that directional order (preferred orientation) of cobalt ions on the surface of γ-Fe2O3 results in surface uniaxial anisotropy. The second is that the uniaxial anisotropy results from preferred alignment of preferred axis of cobalt ferrite microcrystal in surface layer of γ-Fe2O3.</p> <br/>Acta Physica Sinica. 1992 41(7): 1167-1173. Published 2005-07-03 Author(s): ZHANG LIN <br/><p>The coercivity of cobalt-surface-modified γ-Fe2O3 particles is 8000 to 32000 A/m greater than that of the original γ-Fe2O3. The origins of uniaxial anisotropy and the mechanisms of the increase of coercivity of Co-γ-Fe2O3 and CoFe-γ-Fe2O3 particles are studied in this paper. The directional order (preferred orientation) of the cobalt ions appears on the surface of γ-Fe2O3, raises the surface uniaxial anisotropy and thus increases the coercivity of Co-γ-Fe2O3. The squareness ratios of various samples of CoFe-γ-Fe2O3 (Co/γ-Fe2O3 = 2 -16wt%) are obtaihed to be about 0.5. The coercivity of CoFe-γ-Fe2O3 is increased by the uniaxial anisotropy and multiaxial magnetocrystalline anisotropy strengthened after CoFe-coating. The origins of uniaxial anisotropy strengthened are suggested. The first is that directional order (preferred orientation) of cobalt ions on the surface of γ-Fe2O3 results in surface uniaxial anisotropy. The second is that the uniaxial anisotropy results from preferred alignment of preferred axis of cobalt ferrite microcrystal in surface layer of γ-Fe2O3.</p> <br/>Acta Physica Sinica. 1992 41(7): 1167-1173. Published 2005-07-03 A STUDY ON THE ANISOTROPY OF COBALT-SURFACE-MODIFIED γ-Fe2O3 PARTICLES ZHANG LIN 2005-07-03 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1992 41(7): 1167-1173. article doi:10.7498/aps.41.1167 10.7498/aps.41.1167 Acta Physica Sinica 41 7 2005-07-03 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1167 1167-1173 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1174 Author(s): DU MAO-LU, CHEN JIA-JUN, CHEN KANG-SHENG <br/><p>This paper presents a two spin-orbit (SO) coupling parameter model of g factor for Ni2+-6X- clusters. Using this model, the g factors of NaCl:Ni2+ and NaBr:Ni2+ are calculated. The molecular orbitial coefficients are determined by means of a semiempirical method in calculation of the g factors. The results show that the contribution from the SO coupling of ligand ions to the g shifts can not be neglected for ligand ion possessing large SO coupling constant such as Br- or I-. This suggests that the calculation of g factor in some covalent crystals containing trasition metal ions should use the two SO coupling parameter model but not the classical crystal field model including only the contribution from the SO coupling of central transition metal ions.</p> <br/>Acta Physica Sinica. 1992 41(7): 1174-1181. Published 2005-07-03 Author(s): DU MAO-LU, CHEN JIA-JUN, CHEN KANG-SHENG <br/><p>This paper presents a two spin-orbit (SO) coupling parameter model of g factor for Ni2+-6X- clusters. Using this model, the g factors of NaCl:Ni2+ and NaBr:Ni2+ are calculated. The molecular orbitial coefficients are determined by means of a semiempirical method in calculation of the g factors. The results show that the contribution from the SO coupling of ligand ions to the g shifts can not be neglected for ligand ion possessing large SO coupling constant such as Br- or I-. This suggests that the calculation of g factor in some covalent crystals containing trasition metal ions should use the two SO coupling parameter model but not the classical crystal field model including only the contribution from the SO coupling of central transition metal ions.</p> <br/>Acta Physica Sinica. 1992 41(7): 1174-1181. Published 2005-07-03 SPIN-ORBIT COUPLING PARAMETER MODEL OF g FACTOR FOR Ni2+-6X-CLUSTERS DU MAO-LU, CHEN JIA-JUN, CHEN KANG-SHENG 2005-07-03 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1992 41(7): 1174-1181. article doi:10.7498/aps.41.1174 10.7498/aps.41.1174 Acta Physica Sinica 41 7 2005-07-03 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1174 1174-1181 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1182 Author(s): LIU YU-LONG, ZHANG PENG-XIANG, LI SHUN-FANG, A. PAOLETTI, P. PAROLI, A. TUCCIARONE <br/><p>Lead free single crystals of the ferrimagnetic garnet Bi3-2xCa2xFe5-x-yInyVxO12 are grown by using the flux method. High quality single crystals having a dimension greater than 10 mm and few inclusions can be obtained for all materials with different In content by the technology described in this paper. Faraday rotation and optical absorption of a single crystal with x≈ 0.90, y ≈ 0.12 were measured for wavelength in the range of 0.70 to 2.2 ≈m. In spite of the remarkable increase of rotation by the bismuth substitution, no appreciable increase of absorption coefficient is observed in this wavelength region. Our results demonstrated lead free single crystals of In-BCVIG synthesized in x≈ 1.0 composition region with small amount of In substitution are a magneto-optical material with hige value of magneto-optical figure of merit. Considering its low and variable magnetization, high Curie temprature and rather large magneto-optical rotation, the above results show that the crystals can be employed in magneto-optical devices.</p> <br/>Acta Physica Sinica. 1992 41(7): 1182-1186. Published 2005-07-03 Author(s): LIU YU-LONG, ZHANG PENG-XIANG, LI SHUN-FANG, A. PAOLETTI, P. PAROLI, A. TUCCIARONE <br/><p>Lead free single crystals of the ferrimagnetic garnet Bi3-2xCa2xFe5-x-yInyVxO12 are grown by using the flux method. High quality single crystals having a dimension greater than 10 mm and few inclusions can be obtained for all materials with different In content by the technology described in this paper. Faraday rotation and optical absorption of a single crystal with x≈ 0.90, y ≈ 0.12 were measured for wavelength in the range of 0.70 to 2.2 ≈m. In spite of the remarkable increase of rotation by the bismuth substitution, no appreciable increase of absorption coefficient is observed in this wavelength region. Our results demonstrated lead free single crystals of In-BCVIG synthesized in x≈ 1.0 composition region with small amount of In substitution are a magneto-optical material with hige value of magneto-optical figure of merit. Considering its low and variable magnetization, high Curie temprature and rather large magneto-optical rotation, the above results show that the crystals can be employed in magneto-optical devices.</p> <br/>Acta Physica Sinica. 1992 41(7): 1182-1186. Published 2005-07-03 LEAD FREE SINGLE CRYSTALS OF INDIUM SUBSTITUTED BCVIG AND THEIR MAGNETO-OPTICAL PROPERTIES LIU YU-LONG, ZHANG PENG-XIANG, LI SHUN-FANG, A. PAOLETTI, P. PAROLI, A. TUCCIARONE 2005-07-03 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1992 41(7): 1182-1186. article doi:10.7498/aps.41.1182 10.7498/aps.41.1182 Acta Physica Sinica 41 7 2005-07-03 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1182 1182-1186 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1187 Author(s): LI YING-XING, LI SHI-CHEN, HUANG CHAO, YU JIAN <br/><p>We present a unique theoretical model to describe the Raman soliton-like pulses in single-mode fibers and consider the existence of the group velocity dispersion (GVD), the stimulated Raman scattering (SRS), the self-phase modulation (SPM), the cross-phase modulation (XPM) and the fiber loss. The experiment made by Gouveianeto et al. is simulated and 84fs Raman soliton-like pulses are obtained in agreement with the experimental results. A distinct image of the evolution of Raman soliton-like pulses is abtained and some new ideas are put forward.</p> <br/>Acta Physica Sinica. 1992 41(7): 1187-1195. Published 2005-07-03 Author(s): LI YING-XING, LI SHI-CHEN, HUANG CHAO, YU JIAN <br/><p>We present a unique theoretical model to describe the Raman soliton-like pulses in single-mode fibers and consider the existence of the group velocity dispersion (GVD), the stimulated Raman scattering (SRS), the self-phase modulation (SPM), the cross-phase modulation (XPM) and the fiber loss. The experiment made by Gouveianeto et al. is simulated and 84fs Raman soliton-like pulses are obtained in agreement with the experimental results. A distinct image of the evolution of Raman soliton-like pulses is abtained and some new ideas are put forward.</p> <br/>Acta Physica Sinica. 1992 41(7): 1187-1195. Published 2005-07-03 A THEORETICAL STUDY OF RAMAN SOLITON-LIKE PULSES IN SINGLE-MODE FIBERS LI YING-XING, LI SHI-CHEN, HUANG CHAO, YU JIAN 2005-07-03 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1992 41(7): 1187-1195. article doi:10.7498/aps.41.1187 10.7498/aps.41.1187 Acta Physica Sinica 41 7 2005-07-03 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1187 1187-1195 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1196 Author(s): PAN DUO-HAI, HUAN YI-XIAN, FU KE-DE, ZHANG PENG-XIANG <br/><p>Fundamental and higher order linear Raman scattering of J-aggregated 2,2′-cyanine adsorbed on the silver colloid has been analyzed on the basis of its concentration dependence. The results indicate that there exists only one kind of stable a-dsorbed J-aggregate structure. Some of the low-frequency bands in Raman spectrum are mainly due to J-aggregated molecule, which also plays an important role in the enhancement of higher order linear Raman scattering.</p> <br/>Acta Physica Sinica. 1992 41(7): 1196-1203. Published 2005-07-03 Author(s): PAN DUO-HAI, HUAN YI-XIAN, FU KE-DE, ZHANG PENG-XIANG <br/><p>Fundamental and higher order linear Raman scattering of J-aggregated 2,2′-cyanine adsorbed on the silver colloid has been analyzed on the basis of its concentration dependence. The results indicate that there exists only one kind of stable a-dsorbed J-aggregate structure. Some of the low-frequency bands in Raman spectrum are mainly due to J-aggregated molecule, which also plays an important role in the enhancement of higher order linear Raman scattering.</p> <br/>Acta Physica Sinica. 1992 41(7): 1196-1203. Published 2005-07-03 A STUDY ON FUNDAMENTAL AND HIGHER ORDER LINEAR RAMAN SCATTERING OF AGGREGATED MOLECULE PAN DUO-HAI, HUAN YI-XIAN, FU KE-DE, ZHANG PENG-XIANG 2005-07-03 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1992 41(7): 1196-1203. article doi:10.7498/aps.41.1196 10.7498/aps.41.1196 Acta Physica Sinica 41 7 2005-07-03 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1196 1196-1203 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1204 Author(s): KONG XIANG-GUI, LI MEI, Lü AN-DE, JIN ZHOU-ZE, E SHU-LIN <br/><p>Interaction between the rough surface of InP and LB thin film of CuPc have been studied, and the reversible structure phase transition are found at room temperature and liquid nitrogen temperature, respectively.</p> <br/>Acta Physica Sinica. 1992 41(7): 1204-1207. Published 2005-07-03 Author(s): KONG XIANG-GUI, LI MEI, Lü AN-DE, JIN ZHOU-ZE, E SHU-LIN <br/><p>Interaction between the rough surface of InP and LB thin film of CuPc have been studied, and the reversible structure phase transition are found at room temperature and liquid nitrogen temperature, respectively.</p> <br/>Acta Physica Sinica. 1992 41(7): 1204-1207. Published 2005-07-03 InP EFFECTS ON CuPc LB FILM AND THE PHASE CHANGE KONG XIANG-GUI, LI MEI, Lü AN-DE, JIN ZHOU-ZE, E SHU-LIN 2005-07-03 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1992 41(7): 1204-1207. article doi:10.7498/aps.41.1204 10.7498/aps.41.1204 Acta Physica Sinica 41 7 2005-07-03 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1204 1204-1207 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1208 Author(s): WU YONG-HUA, LI HUI-XIANG, WANG DA-ZHI, ZHANG DAO-YUAN <br/><p>The samples of Sn4+ zeolite are obtained by cation exchange between natural zeolite and SnCl4, and then treated at different Temperatures (70-1000℃). By using Mossbauer spectroscopy, X-ray diffraction and infra-red spectroscopy, we studied the change of position of Sn4+ in the zeolite structure with the temperature. The results show that the Sn4+ is situated in the main duct (channel) of the zeolite structure, but with the increase of the temperature the zeolite is dehydrated gradually, then the Sn4+ begins to move from the center of the duct to the walls of the duct, consequently, owing to the increase of the asymmetry of the electric field where the Sn4+ is situated, the quadruple splitting increases with the increase of the temperature. At the same time the SnO2 component increases with the increase of temperature. When heat-treatment temperature reached 1000℃ the long range order structure of zeolite may be destroyed completely.</p> <br/>Acta Physica Sinica. 1992 41(7): 1208-1212. Published 2005-07-03 Author(s): WU YONG-HUA, LI HUI-XIANG, WANG DA-ZHI, ZHANG DAO-YUAN <br/><p>The samples of Sn4+ zeolite are obtained by cation exchange between natural zeolite and SnCl4, and then treated at different Temperatures (70-1000℃). By using Mossbauer spectroscopy, X-ray diffraction and infra-red spectroscopy, we studied the change of position of Sn4+ in the zeolite structure with the temperature. The results show that the Sn4+ is situated in the main duct (channel) of the zeolite structure, but with the increase of the temperature the zeolite is dehydrated gradually, then the Sn4+ begins to move from the center of the duct to the walls of the duct, consequently, owing to the increase of the asymmetry of the electric field where the Sn4+ is situated, the quadruple splitting increases with the increase of the temperature. At the same time the SnO2 component increases with the increase of temperature. When heat-treatment temperature reached 1000℃ the long range order structure of zeolite may be destroyed completely.</p> <br/>Acta Physica Sinica. 1992 41(7): 1208-1212. Published 2005-07-03 A STUDY ON Sn4+ CATION EXCHANGE NATURAL ZEOLITE TREATED AT DIFFERENT TEMPERATURES WU YONG-HUA, LI HUI-XIANG, WANG DA-ZHI, ZHANG DAO-YUAN 2005-07-03 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1992 41(7): 1208-1212. article doi:10.7498/aps.41.1208 10.7498/aps.41.1208 Acta Physica Sinica 41 7 2005-07-03 //www.getgobooth.com/en/article/doi/10.7498/aps.41.1208 1208-1212

map