//www.getgobooth.com/ 必威体育下载 daily 15 2024-08-20 10:33:38 apsoffice@iphy.ac.cn apsoffice@iphy.ac.cn 2024-08-20 10:33:38 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.35.1403 Author(s): XU ZAI-XIN <br/><p>In the shemes of Migdal and Migdal-Kadanoff renormalization group transformation, the strong coupling (high temperature) approximation and weak coupling (low temperature) approximation for U(l) lattice gauge theory are introduced, and the numerical results, including those for the intermediat coupling region, are given. We compare the results obtained by means of these transfomations with the exact results of strong coupling and weak coupling expansions and the recent Monte-Carlo calculation.</p> <br/>Acta Physica Sinica. 1986 35(11): 1403-1410. Published 2005-07-14 Author(s): XU ZAI-XIN <br/><p>In the shemes of Migdal and Migdal-Kadanoff renormalization group transformation, the strong coupling (high temperature) approximation and weak coupling (low temperature) approximation for U(l) lattice gauge theory are introduced, and the numerical results, including those for the intermediat coupling region, are given. We compare the results obtained by means of these transfomations with the exact results of strong coupling and weak coupling expansions and the recent Monte-Carlo calculation.</p> <br/>Acta Physica Sinica. 1986 35(11): 1403-1410. Published 2005-07-14 RENORMAL1ZATION GROUP TRANSFORMATION QUANTITATIVE ANALYSIS FOR U(1) GAUGE THEORY XU ZAI-XIN 2005-07-14 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1986 35(11): 1403-1410. article doi:10.7498/aps.35.1403 10.7498/aps.35.1403 Acta Physica Sinica 35 11 2005-07-14 //www.getgobooth.com/en/article/doi/10.7498/aps.35.1403 1403-1410 //www.getgobooth.com/en/article/doi/10.7498/aps.35.1411 Author(s): PAN CHUAN-HONG, DING HOU-CHANG, WU LING-QIAO <br/><p>We have studied the kinetic effects on ballooning-mode more completely from the gyro-kinetic theory. Here we have consideres the effects of the following factors, i. e., collision, hot-ion components such as neutral beam injection or fusion α-particles, particle diamagnetitc drift, ion gyro-radius ,as well as trapped particles. It has been shown numerically that both gyro-radius of ion and trapped particles have stabilizing effects on ballooning-mode, whereas the collision term has the destabilizing effect besides, the kinetic theory reproduces the results given in Ideal MHD theory, i.e. the shear can improve the stability of ballooning-mode.</p> <br/>Acta Physica Sinica. 1986 35(11): 1411-1425. Published 2005-07-14 Author(s): PAN CHUAN-HONG, DING HOU-CHANG, WU LING-QIAO <br/><p>We have studied the kinetic effects on ballooning-mode more completely from the gyro-kinetic theory. Here we have consideres the effects of the following factors, i. e., collision, hot-ion components such as neutral beam injection or fusion α-particles, particle diamagnetitc drift, ion gyro-radius ,as well as trapped particles. It has been shown numerically that both gyro-radius of ion and trapped particles have stabilizing effects on ballooning-mode, whereas the collision term has the destabilizing effect besides, the kinetic theory reproduces the results given in Ideal MHD theory, i.e. the shear can improve the stability of ballooning-mode.</p> <br/>Acta Physica Sinica. 1986 35(11): 1411-1425. Published 2005-07-14 KINETIC THEORY ON BALLOONING-MODE IN COLLISIONAL PLASMAS PAN CHUAN-HONG, DING HOU-CHANG, WU LING-QIAO 2005-07-14 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1986 35(11): 1411-1425. article doi:10.7498/aps.35.1411 10.7498/aps.35.1411 Acta Physica Sinica 35 11 2005-07-14 //www.getgobooth.com/en/article/doi/10.7498/aps.35.1411 1411-1425 //www.getgobooth.com/en/article/doi/10.7498/aps.35.1426 Author(s): ZHU WEN-HAO, WU YI-FENG, CHEN YUE-SHAN <br/><p>In this paper, the expression for the double probe V-l characteristics and a formula to determine the electron temperature are derived. They are applicable whether the R. F. disturbance voltage drop across the probe sheath exists or not. The influence of this R. F. disturbance voltage on the double probe diagnostics for a low pressure plasma is investigated. Furthermore, the electron temperatures of the R. F. plasma under the pressure of 10-2—10-3 Torr are obtained experimentally. Experimental results agree with the theoretical analysis very well, k is also demonstrated that, if the electron energy distribution is Maxwillian, the R. F. disturbance has no substantial effect on the determination of electron temperatures of the plasma.</p> <br/>Acta Physica Sinica. 1986 35(11): 1426-1435. Published 2005-07-14 Author(s): ZHU WEN-HAO, WU YI-FENG, CHEN YUE-SHAN <br/><p>In this paper, the expression for the double probe V-l characteristics and a formula to determine the electron temperature are derived. They are applicable whether the R. F. disturbance voltage drop across the probe sheath exists or not. The influence of this R. F. disturbance voltage on the double probe diagnostics for a low pressure plasma is investigated. Furthermore, the electron temperatures of the R. F. plasma under the pressure of 10-2—10-3 Torr are obtained experimentally. Experimental results agree with the theoretical analysis very well, k is also demonstrated that, if the electron energy distribution is Maxwillian, the R. F. disturbance has no substantial effect on the determination of electron temperatures of the plasma.</p> <br/>Acta Physica Sinica. 1986 35(11): 1426-1435. Published 2005-07-14 INFLUENCE OF THE HIGH FREQUENCY ELECTRIC FIELD ON THE PLASMA DIAGNOSTICS BY THE DOUBLE PROBE ZHU WEN-HAO, WU YI-FENG, CHEN YUE-SHAN 2005-07-14 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1986 35(11): 1426-1435. article doi:10.7498/aps.35.1426 10.7498/aps.35.1426 Acta Physica Sinica 35 11 2005-07-14 //www.getgobooth.com/en/article/doi/10.7498/aps.35.1426 1426-1435 //www.getgobooth.com/en/article/doi/10.7498/aps.35.1436 Author(s): DENG HUI-FANG <br/><p>In this paper, a new waiting time distribution function (WTDF), ψ(t), is adopted to discuss asymptotic solutions of the continuous-time random walk (CTRW) problems. This WTDF is not purely exponential and is universally valid for explaining the low-frequency (say, ω&lt;10GHz) fluctuation, dissipation and relaxation properties of condensed matter. Many theoretically meaningful results are obtained, and they are in agreement with experiments, These results include the mean displacement, the dispersive mobility, the meansquared displacement, the dispersive diffusion coefficient, Nernst-Einstein relation, the variance and the standard variance, the lattice statistics, the initial site occupation probability, the dispersive conductivity, the dispersive electrical transport and the memory function. All results show that the CTRW process described by the WTDF ψ(t) behaves as non-Markovian over the very broad time domain and as Markovian only in long time limit, this is to say all results contain a single parameter, n, the infrared divergence exponent, which depends on the microscopic structure of condensed matter and determines the degree of dispersion. The larger the value of n is, the stronger the dispersion becomes. When n= 0, the dispersion disappears and all results reduce immediately to the classical Markovian forms.This is in agreement with receat experimental facts.</p> <br/>Acta Physica Sinica. 1986 35(11): 1436-1446. Published 2005-07-14 Author(s): DENG HUI-FANG <br/><p>In this paper, a new waiting time distribution function (WTDF), ψ(t), is adopted to discuss asymptotic solutions of the continuous-time random walk (CTRW) problems. This WTDF is not purely exponential and is universally valid for explaining the low-frequency (say, ω&lt;10GHz) fluctuation, dissipation and relaxation properties of condensed matter. Many theoretically meaningful results are obtained, and they are in agreement with experiments, These results include the mean displacement, the dispersive mobility, the meansquared displacement, the dispersive diffusion coefficient, Nernst-Einstein relation, the variance and the standard variance, the lattice statistics, the initial site occupation probability, the dispersive conductivity, the dispersive electrical transport and the memory function. All results show that the CTRW process described by the WTDF ψ(t) behaves as non-Markovian over the very broad time domain and as Markovian only in long time limit, this is to say all results contain a single parameter, n, the infrared divergence exponent, which depends on the microscopic structure of condensed matter and determines the degree of dispersion. The larger the value of n is, the stronger the dispersion becomes. When n= 0, the dispersion disappears and all results reduce immediately to the classical Markovian forms.This is in agreement with receat experimental facts.</p> <br/>Acta Physica Sinica. 1986 35(11): 1436-1446. Published 2005-07-14 ASYMPTOTIC BEHAVIORS OF WAITING TIME DISTRIBUTION FUNCTION (WTDF) ψ(t) AND ASYMPTOTIC SOLUTIONS OF CONTINUOUS-TIME RANDOM WALK (CTRW) PROBLEMS DENG HUI-FANG 2005-07-14 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1986 35(11): 1436-1446. article doi:10.7498/aps.35.1436 10.7498/aps.35.1436 Acta Physica Sinica 35 11 2005-07-14 //www.getgobooth.com/en/article/doi/10.7498/aps.35.1436 1436-1446 //www.getgobooth.com/en/article/doi/10.7498/aps.35.1447 Author(s): HU YONG-JUN, LIN ZHANG-DA, WANG CHANG-HENG, XIE KAN <br/><p>To elucidate the promotion action of cobalt on Mo sulfide catalysts, UPS, XPS and LEED have been applied to study the submonolayer deposite process of promotor metal Co on the active catalytic phase for Co-Mo catalyst-the highly edged surfaces and ion sputtered basal plane of MoS2 crystal. At a certain submonolayer coverage of deposited Co, the new Co-correlated interface states could raise surface EF to a new higher pinning position by about 0.30-0.35eV. So the surface barrier and work function for these catalytic active phases are decreased. The remarkable changes for electronic structure near EF and the studies of LEED patterns reveal that the active phase Co-Mo-S, in which the Co-Mo bond appears to behave in much the same way as in the intermetallic bond, could be formed by locating the promotor Co at the surface disorder defects in edge sites.</p> <br/>Acta Physica Sinica. 1986 35(11): 1447-1456. Published 2005-07-14 Author(s): HU YONG-JUN, LIN ZHANG-DA, WANG CHANG-HENG, XIE KAN <br/><p>To elucidate the promotion action of cobalt on Mo sulfide catalysts, UPS, XPS and LEED have been applied to study the submonolayer deposite process of promotor metal Co on the active catalytic phase for Co-Mo catalyst-the highly edged surfaces and ion sputtered basal plane of MoS2 crystal. At a certain submonolayer coverage of deposited Co, the new Co-correlated interface states could raise surface EF to a new higher pinning position by about 0.30-0.35eV. So the surface barrier and work function for these catalytic active phases are decreased. The remarkable changes for electronic structure near EF and the studies of LEED patterns reveal that the active phase Co-Mo-S, in which the Co-Mo bond appears to behave in much the same way as in the intermetallic bond, could be formed by locating the promotor Co at the surface disorder defects in edge sites.</p> <br/>Acta Physica Sinica. 1986 35(11): 1447-1456. Published 2005-07-14 THE STUDIES OF THE INTERACTION BETWEEN THE PROMOTOR Co AND THE HIGHLY EDGED SURFACES OR ION SPUTTERED BASAL PLANE OF MoS2 CRYSTAL HU YONG-JUN, LIN ZHANG-DA, WANG CHANG-HENG, XIE KAN 2005-07-14 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1986 35(11): 1447-1456. article doi:10.7498/aps.35.1447 10.7498/aps.35.1447 Acta Physica Sinica 35 11 2005-07-14 //www.getgobooth.com/en/article/doi/10.7498/aps.35.1447 1447-1456 //www.getgobooth.com/en/article/doi/10.7498/aps.35.1457 Author(s): REN SHANG-YUAN, MAO DE-QIANG, LI MING-FU <br/><p>The wavefunctions of the Eu, state and the Eg state are evaluated for the ideal divacancy in Si, using the basic equations given in [1] and the tight binding Hamiltonian given by P. Vogl et al. Comparison between the culculated results and the ESR and ENDOR spectra of V2+ and V2- in Si is discussed.</p> <br/>Acta Physica Sinica. 1986 35(11): 1457-1464. Published 2005-07-14 Author(s): REN SHANG-YUAN, MAO DE-QIANG, LI MING-FU <br/><p>The wavefunctions of the Eu, state and the Eg state are evaluated for the ideal divacancy in Si, using the basic equations given in [1] and the tight binding Hamiltonian given by P. Vogl et al. Comparison between the culculated results and the ESR and ENDOR spectra of V2+ and V2- in Si is discussed.</p> <br/>Acta Physica Sinica. 1986 35(11): 1457-1464. Published 2005-07-14 ELECTRONIC STRUCTURE OF THE DIVACANCY IN CUBIC SEMICONDUCTORS (Ⅲ)——WAVEFUNCTIONS OF THE DIVACANCY STATES IN SI REN SHANG-YUAN, MAO DE-QIANG, LI MING-FU 2005-07-14 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1986 35(11): 1457-1464. article doi:10.7498/aps.35.1457 10.7498/aps.35.1457 Acta Physica Sinica 35 11 2005-07-14 //www.getgobooth.com/en/article/doi/10.7498/aps.35.1457 1457-1464 //www.getgobooth.com/en/article/doi/10.7498/aps.35.1465 Author(s): HUA DAO-HONG, JIANG JIE, LI DA-FEN, MA DONG-PING, XU YI-SUN, SONG ZENG-FU <br/><p>This is the first theoretical calculation covering the whole energy range in LaFa3Nd3+ by using a crystalfield Hamiltonian of C2 point symmetry. The rms deviation is about 20.2 cm-2. Thus far, this calculation is the most accurate one. We also correct the previous assign ments of some sub-levels.</p> <br/>Acta Physica Sinica. 1986 35(11): 1465-1472. Published 2005-07-14 Author(s): HUA DAO-HONG, JIANG JIE, LI DA-FEN, MA DONG-PING, XU YI-SUN, SONG ZENG-FU <br/><p>This is the first theoretical calculation covering the whole energy range in LaFa3Nd3+ by using a crystalfield Hamiltonian of C2 point symmetry. The rms deviation is about 20.2 cm-2. Thus far, this calculation is the most accurate one. We also correct the previous assign ments of some sub-levels.</p> <br/>Acta Physica Sinica. 1986 35(11): 1465-1472. Published 2005-07-14 CALCULATION OF ENERGY VALUE OF STARK SUB-LEVELS IN LaF3:Nd3+ HUA DAO-HONG, JIANG JIE, LI DA-FEN, MA DONG-PING, XU YI-SUN, SONG ZENG-FU 2005-07-14 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1986 35(11): 1465-1472. article doi:10.7498/aps.35.1465 10.7498/aps.35.1465 Acta Physica Sinica 35 11 2005-07-14 //www.getgobooth.com/en/article/doi/10.7498/aps.35.1465 1465-1472 //www.getgobooth.com/en/article/doi/10.7498/aps.35.1473 Author(s): ZHAO ZHE-YING, GUO XIAO-CONG, SHI ZHONG-JIAN <br/><p>The approach of measuring all the electro-elastic constants for the crystals of D3(32) class has been developed by means of the vibrational theory for piezoelectric plates. As an example, all the electro-elastic constants of α-Quartz have been obtained using the approach.</p> <br/>Acta Physica Sinica. 1986 35(11): 1473-1479. Published 2005-07-14 Author(s): ZHAO ZHE-YING, GUO XIAO-CONG, SHI ZHONG-JIAN <br/><p>The approach of measuring all the electro-elastic constants for the crystals of D3(32) class has been developed by means of the vibrational theory for piezoelectric plates. As an example, all the electro-elastic constants of α-Quartz have been obtained using the approach.</p> <br/>Acta Physica Sinica. 1986 35(11): 1473-1479. Published 2005-07-14 MEASUREMENTS OF ALL THE ELECTRO-ELASTIC CONSTANTS FOR THE CRYSTALS OF D3 (32) CLASS ZHAO ZHE-YING, GUO XIAO-CONG, SHI ZHONG-JIAN 2005-07-14 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1986 35(11): 1473-1479. article doi:10.7498/aps.35.1473 10.7498/aps.35.1473 Acta Physica Sinica 35 11 2005-07-14 //www.getgobooth.com/en/article/doi/10.7498/aps.35.1473 1473-1479 //www.getgobooth.com/en/article/doi/10.7498/aps.35.1480 Author(s): WANG YUAN-MING, QU HUA <br/><p>This paper reports a study of the quasi real space (QRS) method. It is an intermediate procedure between the real space (RS) and multislice (MS) methods. With this technique, most of the numerical calculations are done in real space except that the rormalization is imposed beyond some threshold value, for example ∑|Φ|2&lt;1.01 where Φ is the wave function of the electron. It is also shown why truncation of the propagation operator eλε△ to second order in the RS method can lead to computational divergencies and how they can be avoided by using the QRS method. Finally, results calculated by the QRS method are compared with other existing slice methods. The QRS method gives results similar to the conventional MS calculation with competitive computational speed.</p> <br/>Acta Physica Sinica. 1986 35(11): 1480-1487. Published 2005-07-14 Author(s): WANG YUAN-MING, QU HUA <br/><p>This paper reports a study of the quasi real space (QRS) method. It is an intermediate procedure between the real space (RS) and multislice (MS) methods. With this technique, most of the numerical calculations are done in real space except that the rormalization is imposed beyond some threshold value, for example ∑|Φ|2&lt;1.01 where Φ is the wave function of the electron. It is also shown why truncation of the propagation operator eλε△ to second order in the RS method can lead to computational divergencies and how they can be avoided by using the QRS method. Finally, results calculated by the QRS method are compared with other existing slice methods. The QRS method gives results similar to the conventional MS calculation with competitive computational speed.</p> <br/>Acta Physica Sinica. 1986 35(11): 1480-1487. Published 2005-07-14 QUASI REAL SPACE (QRS) IMAGE SIMULATION IN HIGH RESOLUTION ELECTRON MICROSCOPY WANG YUAN-MING, QU HUA 2005-07-14 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1986 35(11): 1480-1487. article doi:10.7498/aps.35.1480 10.7498/aps.35.1480 Acta Physica Sinica 35 11 2005-07-14 //www.getgobooth.com/en/article/doi/10.7498/aps.35.1480 1480-1487 //www.getgobooth.com/en/article/doi/10.7498/aps.35.1488 Author(s): LI YU <br/><p>In this paper, the relativistic fifth order geometrical aberration equation of a combined electric-magnetic focusing-deflection system with superimposed fields is derived by using varia-tional principle and taking symbolic derivative and inner product of complex numbers as mathematical tools.</p> <br/>Acta Physica Sinica. 1986 35(11): 1488-1495. Published 2005-07-14 Author(s): LI YU <br/><p>In this paper, the relativistic fifth order geometrical aberration equation of a combined electric-magnetic focusing-deflection system with superimposed fields is derived by using varia-tional principle and taking symbolic derivative and inner product of complex numbers as mathematical tools.</p> <br/>Acta Physica Sinica. 1986 35(11): 1488-1495. Published 2005-07-14 ON THE RELATIVISTIC FIFTH ORDER GEOMETRICAL ABERRATION EQUATION OF A COMBINED FOCUSING-DEFLECTION SYSTEM LI YU 2005-07-14 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1986 35(11): 1488-1495. article doi:10.7498/aps.35.1488 10.7498/aps.35.1488 Acta Physica Sinica 35 11 2005-07-14 //www.getgobooth.com/en/article/doi/10.7498/aps.35.1488 1488-1495 //www.getgobooth.com/en/article/doi/10.7498/aps.35.1496 Author(s): WANG YI-ZHONG, FENG MIN-YING, GONG WEI, WANG ZHEN-XI, J. P. REBOUILLAT <br/><p>The amorphous Y5Ni95 alloy films were hydrogenated bv electrolysis. The dependences of magnetization, resistivity and Hall resistivity on H content were measured respectively for a-Y5Ni95Hx in the temperature range from 1.5K to 400 K. Results show that the average moment at 0 K, the Curie temperature and the temperature coefficient of resistivity decrease with increasing H content. While the high field susceptibility, resistivity and extraordinary Hall coefficient increase quickly. These effects of hydrogen are discussed in terms of the current theories.</p> <br/>Acta Physica Sinica. 1986 35(11): 1496-1501. Published 2005-07-14 Author(s): WANG YI-ZHONG, FENG MIN-YING, GONG WEI, WANG ZHEN-XI, J. P. REBOUILLAT <br/><p>The amorphous Y5Ni95 alloy films were hydrogenated bv electrolysis. The dependences of magnetization, resistivity and Hall resistivity on H content were measured respectively for a-Y5Ni95Hx in the temperature range from 1.5K to 400 K. Results show that the average moment at 0 K, the Curie temperature and the temperature coefficient of resistivity decrease with increasing H content. While the high field susceptibility, resistivity and extraordinary Hall coefficient increase quickly. These effects of hydrogen are discussed in terms of the current theories.</p> <br/>Acta Physica Sinica. 1986 35(11): 1496-1501. Published 2005-07-14 INFLUENCE OF HYDROGEN ON THE MAGNETIC AND ELECTRONIC TRANSPORT PROPERTIES OF Y5Ni95 AMORPHOUS ALLOY FILMS WANG YI-ZHONG, FENG MIN-YING, GONG WEI, WANG ZHEN-XI, J. P. REBOUILLAT 2005-07-14 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1986 35(11): 1496-1501. article doi:10.7498/aps.35.1496 10.7498/aps.35.1496 Acta Physica Sinica 35 11 2005-07-14 //www.getgobooth.com/en/article/doi/10.7498/aps.35.1496 1496-1501 //www.getgobooth.com/en/article/doi/10.7498/aps.35.1502 Author(s): DAI DAO-SHENG, FANG RUI-YI, LUI ZUN-XION, WAN HONG, LAN JIAN, RAO XIAO-LEI, JI YU-PING <br/><p>The low temperature magnetic properties of the amorphous Sm-Fe and Sm-Co thin films are investigated. It is found that there exists a distribution of the orientation of the Fe atomic moment in the Sm-Fe films, and the compositional dependence of the effective magnetic moments of the Co atoms in the Sm-Co films is very similar to that of the amorphous Nd-Co films. The magnetic structures of these two alloy systems are determined: there are asperomagnetic structure for the Sm-Fe thin films and the collinear ferromagnetic structure for the Sm-Co thin films. The magnetic moment of Sm atoms is very close to zero. The strength, temperature and compositional dependences of coercivity for these two amorphous alloy systems are measured. The Hc of Sm-Fe films is much larger than that of Sm-Co films, For the Sm-Fe amorphous films, Hc increases very quickly with increasing of the contants of samarium, and severely drops with increasing of temperature in the very low temperature region. But for the Sm-Co amorphous films, Hc reaches a maximum at about 43 at% Sm, and decreases with increasing of temperature in the exponental form. It is also found that the temperature dependence of magnetization in the low temperature region may be caused by the Bloch spin-wave excitation and Stoner electric excitation simultaneously.</p> <br/>Acta Physica Sinica. 1986 35(11): 1502-1510. Published 2005-07-14 Author(s): DAI DAO-SHENG, FANG RUI-YI, LUI ZUN-XION, WAN HONG, LAN JIAN, RAO XIAO-LEI, JI YU-PING <br/><p>The low temperature magnetic properties of the amorphous Sm-Fe and Sm-Co thin films are investigated. It is found that there exists a distribution of the orientation of the Fe atomic moment in the Sm-Fe films, and the compositional dependence of the effective magnetic moments of the Co atoms in the Sm-Co films is very similar to that of the amorphous Nd-Co films. The magnetic structures of these two alloy systems are determined: there are asperomagnetic structure for the Sm-Fe thin films and the collinear ferromagnetic structure for the Sm-Co thin films. The magnetic moment of Sm atoms is very close to zero. The strength, temperature and compositional dependences of coercivity for these two amorphous alloy systems are measured. The Hc of Sm-Fe films is much larger than that of Sm-Co films, For the Sm-Fe amorphous films, Hc increases very quickly with increasing of the contants of samarium, and severely drops with increasing of temperature in the very low temperature region. But for the Sm-Co amorphous films, Hc reaches a maximum at about 43 at% Sm, and decreases with increasing of temperature in the exponental form. It is also found that the temperature dependence of magnetization in the low temperature region may be caused by the Bloch spin-wave excitation and Stoner electric excitation simultaneously.</p> <br/>Acta Physica Sinica. 1986 35(11): 1502-1510. Published 2005-07-14 LOW TEMPERATURE MAGNETIC PROPERTIES OF AMORPHOUS Sm-Fe AND Sm-Co THIN FILMS DAI DAO-SHENG, FANG RUI-YI, LUI ZUN-XION, WAN HONG, LAN JIAN, RAO XIAO-LEI, JI YU-PING 2005-07-14 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1986 35(11): 1502-1510. article doi:10.7498/aps.35.1502 10.7498/aps.35.1502 Acta Physica Sinica 35 11 2005-07-14 //www.getgobooth.com/en/article/doi/10.7498/aps.35.1502 1502-1510 //www.getgobooth.com/en/article/doi/10.7498/aps.35.1511 Author(s): XIA YUE-YUAN, TAN CHUN-YU, LIANG WEN-KANG, SUN XIU-FANG <br/><p>A model is proposed to describe the diffusion and release behaviour of inect gases implanted into various solids. According to this model, in which the interactions between different defects or radiation damage and the inert gas atoms are taken into account, a set of diffusion equations is derived and the analytical solutions of these equations are obtained.The comparison between the theoretical results and the experimental results shows that this model can be used to describe the release of inert gases from the surfaces of solids very well. By least-squares fitting the theoretical release curve to that of the experiment, a method to determine the activation energies of different trapping centres and the trapped concentration is provided.</p> <br/>Acta Physica Sinica. 1986 35(11): 1511-1520. Published 2005-07-14 Author(s): XIA YUE-YUAN, TAN CHUN-YU, LIANG WEN-KANG, SUN XIU-FANG <br/><p>A model is proposed to describe the diffusion and release behaviour of inect gases implanted into various solids. According to this model, in which the interactions between different defects or radiation damage and the inert gas atoms are taken into account, a set of diffusion equations is derived and the analytical solutions of these equations are obtained.The comparison between the theoretical results and the experimental results shows that this model can be used to describe the release of inert gases from the surfaces of solids very well. By least-squares fitting the theoretical release curve to that of the experiment, a method to determine the activation energies of different trapping centres and the trapped concentration is provided.</p> <br/>Acta Physica Sinica. 1986 35(11): 1511-1520. Published 2005-07-14 A THEORY FOR DIFFUSION AND RELEASE OF IRERT GASES IN SOLIDS XIA YUE-YUAN, TAN CHUN-YU, LIANG WEN-KANG, SUN XIU-FANG 2005-07-14 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1986 35(11): 1511-1520. article doi:10.7498/aps.35.1511 10.7498/aps.35.1511 Acta Physica Sinica 35 11 2005-07-14 //www.getgobooth.com/en/article/doi/10.7498/aps.35.1511 1511-1520 //www.getgobooth.com/en/article/doi/10.7498/aps.35.1521 Author(s): CHEN TING, HONG GUANG-YAN <br/><p>The soft optic mode spectra of monoclinic I lanthanum pentaphosphates LnP5O14(Ln = La, Ce, Pr, Nd, Sm, Eu, Gd, Tb) are measured in the range of 20-300℃. The Ag-B2g and Ag-Ag soft modes in different LnP5O14 all soften to 20 cm-1 at ferroelastic transition temperature Tc. Another Bg-B3g soft mode softens to 38cm-1 at Tc. The coupling of Ag-B2gsoft mode with e5, plays an essential role in the phase trasition and the temperature dependence of soft-mode intensity can be described by means of the bilinear mode-coupling model. The increment of Tc from La to Tb in this system is owing to the lanthanum contraction.</p> <br/>Acta Physica Sinica. 1986 35(11): 1521-1527. Published 2005-07-14 Author(s): CHEN TING, HONG GUANG-YAN <br/><p>The soft optic mode spectra of monoclinic I lanthanum pentaphosphates LnP5O14(Ln = La, Ce, Pr, Nd, Sm, Eu, Gd, Tb) are measured in the range of 20-300℃. The Ag-B2g and Ag-Ag soft modes in different LnP5O14 all soften to 20 cm-1 at ferroelastic transition temperature Tc. Another Bg-B3g soft mode softens to 38cm-1 at Tc. The coupling of Ag-B2gsoft mode with e5, plays an essential role in the phase trasition and the temperature dependence of soft-mode intensity can be described by means of the bilinear mode-coupling model. The increment of Tc from La to Tb in this system is owing to the lanthanum contraction.</p> <br/>Acta Physica Sinica. 1986 35(11): 1521-1527. Published 2005-07-14 RAMAN-SPECTROSCOPIC STUDY OF FERROELASTIC PHASE TRANSITION IN LANTHANUM PENTAPHOSPHATES CHEN TING, HONG GUANG-YAN 2005-07-14 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1986 35(11): 1521-1527. article doi:10.7498/aps.35.1521 10.7498/aps.35.1521 Acta Physica Sinica 35 11 2005-07-14 //www.getgobooth.com/en/article/doi/10.7498/aps.35.1521 1521-1527 //www.getgobooth.com/en/article/doi/10.7498/aps.35.1528 Author(s): HE YONG-SHU, HUANG MAO-RONG, WAN XIN-ZHU, MA RU-ZHANG, YU EN-HUA <br/><p>The martensitic transformation in thirteen Fe-Ni alloys has been studied by positron annihilation technique. The experimental results show that the values of the average lifetime f and the lineshape parameter S increase by about 30% and 20% respectively in six annealed and liquid nitrogen quenched alloys (28.22-31.30 wt% Ni). This confirms that the direct transformation produces a great number of defects in these alloys. The changes of the positron parameters with treating temperature have been determined in two different martensitic substructure alloys. It has been detected that the defects are chiefly produced in the stage of the burst martensitic transformation. Two distinct stages in the isochronal annealing curve confirm that the defects formed in the direct transformation mainly consist of vacancies and dislocations.</p> <br/>Acta Physica Sinica. 1986 35(11): 1528-1531. Published 2005-07-14 Author(s): HE YONG-SHU, HUANG MAO-RONG, WAN XIN-ZHU, MA RU-ZHANG, YU EN-HUA <br/><p>The martensitic transformation in thirteen Fe-Ni alloys has been studied by positron annihilation technique. The experimental results show that the values of the average lifetime f and the lineshape parameter S increase by about 30% and 20% respectively in six annealed and liquid nitrogen quenched alloys (28.22-31.30 wt% Ni). This confirms that the direct transformation produces a great number of defects in these alloys. The changes of the positron parameters with treating temperature have been determined in two different martensitic substructure alloys. It has been detected that the defects are chiefly produced in the stage of the burst martensitic transformation. Two distinct stages in the isochronal annealing curve confirm that the defects formed in the direct transformation mainly consist of vacancies and dislocations.</p> <br/>Acta Physica Sinica. 1986 35(11): 1528-1531. Published 2005-07-14 POSITRON ANNIHILATION STUDY OF DEFECTS IN MARTENSITIC TRANSFORMATION OF Fe-Ni ALLOYS HE YONG-SHU, HUANG MAO-RONG, WAN XIN-ZHU, MA RU-ZHANG, YU EN-HUA 2005-07-14 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1986 35(11): 1528-1531. article doi:10.7498/aps.35.1528 10.7498/aps.35.1528 Acta Physica Sinica 35 11 2005-07-14 //www.getgobooth.com/en/article/doi/10.7498/aps.35.1528 1528-1531 //www.getgobooth.com/en/article/doi/10.7498/aps.35.1532 Author(s): WANG QING-YUAN, ZHANG SI-YUAN, WU SHI-XUE, BAI YUN-QI, REN JIN-SHENG <br/><p>In the present paper, we report the theoretical investigation results of DyP5O14 single crystals derived from absorption spectra according to the Judd-Ofelt theory. The experimental and theoretical oscillator strengths and three phenomenological intersity parameters are calculated. After evaluation the reducible matrix elements, the fluorescent radiative transition probabilities are obtained.</p> <br/>Acta Physica Sinica. 1986 35(11): 1532-1536. Published 2005-07-14 Author(s): WANG QING-YUAN, ZHANG SI-YUAN, WU SHI-XUE, BAI YUN-QI, REN JIN-SHENG <br/><p>In the present paper, we report the theoretical investigation results of DyP5O14 single crystals derived from absorption spectra according to the Judd-Ofelt theory. The experimental and theoretical oscillator strengths and three phenomenological intersity parameters are calculated. After evaluation the reducible matrix elements, the fluorescent radiative transition probabilities are obtained.</p> <br/>Acta Physica Sinica. 1986 35(11): 1532-1536. Published 2005-07-14 SPECTRA INTENSITY PARAMETERS OF DyP5O14 SINGLE CRYSTALS WANG QING-YUAN, ZHANG SI-YUAN, WU SHI-XUE, BAI YUN-QI, REN JIN-SHENG 2005-07-14 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1986 35(11): 1532-1536. article doi:10.7498/aps.35.1532 10.7498/aps.35.1532 Acta Physica Sinica 35 11 2005-07-14 //www.getgobooth.com/en/article/doi/10.7498/aps.35.1532 1532-1536 //www.getgobooth.com/en/article/doi/10.7498/aps.35.1537 Author(s): LEI WEI-GUO, YIN BAO-ZHONG, HUNG XI-HAI <br/><p>Clusters, which do must not have the same periodic structure as the corresponding large crystal, can also show an optical absorption similar to the crystal. In the present article, we report the results about the preparation and optical absorption properties of glasses containing CuClxBr1-x(x=0—1) colloids. Experimental results indicate that colloidal CuCl, CuClxBr1-x and CuBr in glasses with definite size can also show exciton absorption peaks similar to the corresponding large crystals, and that glasses have the same violet absorption edges as the crystals.</p> <br/>Acta Physica Sinica. 1986 35(11): 1537-1541. Published 2005-07-14 Author(s): LEI WEI-GUO, YIN BAO-ZHONG, HUNG XI-HAI <br/><p>Clusters, which do must not have the same periodic structure as the corresponding large crystal, can also show an optical absorption similar to the crystal. In the present article, we report the results about the preparation and optical absorption properties of glasses containing CuClxBr1-x(x=0—1) colloids. Experimental results indicate that colloidal CuCl, CuClxBr1-x and CuBr in glasses with definite size can also show exciton absorption peaks similar to the corresponding large crystals, and that glasses have the same violet absorption edges as the crystals.</p> <br/>Acta Physica Sinica. 1986 35(11): 1537-1541. Published 2005-07-14 EXCITON SPECTRUM OF COLLOIDAL CuClxBr1-x(x=0-1) IN GLASSES LEI WEI-GUO, YIN BAO-ZHONG, HUNG XI-HAI 2005-07-14 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1986 35(11): 1537-1541. article doi:10.7498/aps.35.1537 10.7498/aps.35.1537 Acta Physica Sinica 35 11 2005-07-14 //www.getgobooth.com/en/article/doi/10.7498/aps.35.1537 1537-1541 //www.getgobooth.com/en/article/doi/10.7498/aps.35.1542 Author(s): FENC SHI-PING <br/><p>Using Green's function technique, we have discussed magnetization of surface and interface changes with temperature from T=0 to T=Tc. For the surface, result is in agreement with other authors. For interface, we not only fird that critical temperature is differente between interface and bulk, but also fird a relation: Tc1 cA,TcB).</p> <br/>Acta Physica Sinica. 1986 35(11): 1542-1546. Published 2005-07-14 Author(s): FENC SHI-PING <br/><p>Using Green's function technique, we have discussed magnetization of surface and interface changes with temperature from T=0 to T=Tc. For the surface, result is in agreement with other authors. For interface, we not only fird that critical temperature is differente between interface and bulk, but also fird a relation: Tc1 cA,TcB).</p> <br/>Acta Physica Sinica. 1986 35(11): 1542-1546. Published 2005-07-14 THEORY OF INSULATING FERROMAGNETS OF SURFACE AND INTERFACE FENC SHI-PING 2005-07-14 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1986 35(11): 1542-1546. article doi:10.7498/aps.35.1542 10.7498/aps.35.1542 Acta Physica Sinica 35 11 2005-07-14 //www.getgobooth.com/en/article/doi/10.7498/aps.35.1542 1542-1546

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