Acta Physica Sinica //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 <![CDATA[TIME DEPENDENT SOLUTION OF FOKKER-PLANCK EQUATION WITH NON-LINEAR DRIFT FORCE]]> //www.getgobooth.com/en/article/doi/10.7498/aps.34.573 Author(s): HU GANG <br/><p>A new approach of the O-expansion of the Green's function is empoyed to study the time dependent problem of the Fokker-Planck equation. The scaling region and the final region in the scaling theory is unified to a single region. As t→∞ the time dependent solution approaches the stationary solution of the Fokker-Planck equation. The difficulty of matching the last two time regions in the scaling theory is then avoided.</p> <br/>Acta Physica Sinica. 1985 34(5): 573-580. Published 2005-03-28 Author(s): HU GANG <br/><p>A new approach of the O-expansion of the Green's function is empoyed to study the time dependent problem of the Fokker-Planck equation. The scaling region and the final region in the scaling theory is unified to a single region. As t→∞ the time dependent solution approaches the stationary solution of the Fokker-Planck equation. The difficulty of matching the last two time regions in the scaling theory is then avoided.</p> <br/>Acta Physica Sinica. 1985 34(5): 573-580. Published 2005-03-28 TIME DEPENDENT SOLUTION OF FOKKER-PLANCK EQUATION WITH NON-LINEAR DRIFT FORCE HU GANG 2005-03-28 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1985 34(5): 573-580. article doi:10.7498/aps.34.573 10.7498/aps.34.573 Acta Physica Sinica 34 5 2005-03-28 //www.getgobooth.com/en/article/doi/10.7498/aps.34.573 573-580 <![CDATA[BIFURCATION, CHAOS AND TRANSIENT BEHAVIOR IN LIQUID CRYSTAL HYBRID OPTICAL BISTABLE DEVICES]]> //www.getgobooth.com/en/article/doi/10.7498/aps.34.581 Author(s): WANG PENG-YE, DAI JIAN-HUA, ZHANG HONG-JUN <br/><p>Bifurcation and chaos behavior in liquid crystal hybrid optical bistable devices is calculated and analysed based on the relaxation equation with time-delayed feedback. We also find that there is a transient oscillation with period ta within the bistable region.</p> <br/>Acta Physica Sinica. 1985 34(5): 581-587. Published 2005-03-28 Author(s): WANG PENG-YE, DAI JIAN-HUA, ZHANG HONG-JUN <br/><p>Bifurcation and chaos behavior in liquid crystal hybrid optical bistable devices is calculated and analysed based on the relaxation equation with time-delayed feedback. We also find that there is a transient oscillation with period ta within the bistable region.</p> <br/>Acta Physica Sinica. 1985 34(5): 581-587. Published 2005-03-28 BIFURCATION, CHAOS AND TRANSIENT BEHAVIOR IN LIQUID CRYSTAL HYBRID OPTICAL BISTABLE DEVICES WANG PENG-YE, DAI JIAN-HUA, ZHANG HONG-JUN 2005-03-28 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1985 34(5): 581-587. article doi:10.7498/aps.34.581 10.7498/aps.34.581 Acta Physica Sinica 34 5 2005-03-28 //www.getgobooth.com/en/article/doi/10.7498/aps.34.581 581-587 <![CDATA[THE FIELD EQUATION OF HALF-INTEGER SPIN IN CURVED SPACE-TIME]]> //www.getgobooth.com/en/article/doi/10.7498/aps.34.588 Author(s): WU ZHI-YU, WANG KE-LIN <br/><p>In curved space-time the γ-algebra is proved and the Barita-Schwinger equation is written out explicitly in the tangent space, On the bases of equivalent principle, the Rarita-Schwinger equation in curved space-time is obtained.</p> <br/>Acta Physica Sinica. 1985 34(5): 588-593. Published 2005-03-28 Author(s): WU ZHI-YU, WANG KE-LIN <br/><p>In curved space-time the γ-algebra is proved and the Barita-Schwinger equation is written out explicitly in the tangent space, On the bases of equivalent principle, the Rarita-Schwinger equation in curved space-time is obtained.</p> <br/>Acta Physica Sinica. 1985 34(5): 588-593. Published 2005-03-28 THE FIELD EQUATION OF HALF-INTEGER SPIN IN CURVED SPACE-TIME WU ZHI-YU, WANG KE-LIN 2005-03-28 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1985 34(5): 588-593. article doi:10.7498/aps.34.588 10.7498/aps.34.588 Acta Physica Sinica 34 5 2005-03-28 //www.getgobooth.com/en/article/doi/10.7498/aps.34.588 588-593 <![CDATA[AN EXPERIMENT OF 90° THOMSON SCATTERING ON CT-6B TOKAMAK DEVICE BY USING A RUBY LASER AS LIGHT SOURCE]]> //www.getgobooth.com/en/article/doi/10.7498/aps.34.594 Author(s): HU SHU-QIN, LAIN ZHONG-XIANG <br/><p>In this paper, we describe briefly the 90°Thomson scattering system of Tokamak CT-6B, using a ruby laser as light source. The measurements of the 90°Thomson scattering spectra, electron temperature Te and density ne, are discussed. The results are given. The result of electron density measurement agrees with that Obtained by 2 mm micro wave interferometer diagnosis.</p> <br/>Acta Physica Sinica. 1985 34(5): 594-602. Published 2005-03-28 Author(s): HU SHU-QIN, LAIN ZHONG-XIANG <br/><p>In this paper, we describe briefly the 90°Thomson scattering system of Tokamak CT-6B, using a ruby laser as light source. The measurements of the 90°Thomson scattering spectra, electron temperature Te and density ne, are discussed. The results are given. The result of electron density measurement agrees with that Obtained by 2 mm micro wave interferometer diagnosis.</p> <br/>Acta Physica Sinica. 1985 34(5): 594-602. Published 2005-03-28 AN EXPERIMENT OF 90° THOMSON SCATTERING ON CT-6B TOKAMAK DEVICE BY USING A RUBY LASER AS LIGHT SOURCE HU SHU-QIN, LAIN ZHONG-XIANG 2005-03-28 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1985 34(5): 594-602. article doi:10.7498/aps.34.594 10.7498/aps.34.594 Acta Physica Sinica 34 5 2005-03-28 //www.getgobooth.com/en/article/doi/10.7498/aps.34.594 594-602 <![CDATA[THEORETICAL CALCULATION OF PULSED ACTIVE-PASSIVE MODE-LOCKED SOLID-STATE LASERS (Ⅰ)——THEOEETICAL MODEL]]> //www.getgobooth.com/en/article/doi/10.7498/aps.34.603 Author(s): ZHU ZHEN-HE <br/><p>A theoretical model for pulsed active-passive mode-locked solid-state lasers is presented in this paper. The characteristics of these lasers can be solved by computer simulation with this model.</p> <br/>Acta Physica Sinica. 1985 34(5): 603-610. Published 2005-03-28 Author(s): ZHU ZHEN-HE <br/><p>A theoretical model for pulsed active-passive mode-locked solid-state lasers is presented in this paper. The characteristics of these lasers can be solved by computer simulation with this model.</p> <br/>Acta Physica Sinica. 1985 34(5): 603-610. Published 2005-03-28 THEORETICAL CALCULATION OF PULSED ACTIVE-PASSIVE MODE-LOCKED SOLID-STATE LASERS (Ⅰ)——THEOEETICAL MODEL ZHU ZHEN-HE 2005-03-28 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1985 34(5): 603-610. article doi:10.7498/aps.34.603 10.7498/aps.34.603 Acta Physica Sinica 34 5 2005-03-28 //www.getgobooth.com/en/article/doi/10.7498/aps.34.603 603-610 <![CDATA[THEORETICAL CALCULATION OF PULSED ACTIVE-PASSIVE MODE-LOCKED SOLID-STATE LASERS (Ⅱ)——COMPUTER SIMULATION]]> //www.getgobooth.com/en/article/doi/10.7498/aps.34.611 Author(s): ZHU ZHEN-HE <br/><p>Computer simulations are carried out with the theoretical model presented in the previous paper for pulsed active-passive mode-locked Nd-glass and Nd : YAG lasers. The dependences of some characters of active-passive mode-locked lasers, such as mode-locking threshold, output stability, pulse width, pulse asymmetry, on modulation depth and detuning of the active modulator, concentration and relaxation time of the satura-ble dye, are given by the simulation calculations. The theoretical results are qualitatively in good agreement with experiments. Some experimental observations are explained. Thereby the physical processes involved in active-passive mode-locking are understood more deeply.</p> <br/>Acta Physica Sinica. 1985 34(5): 611-621. Published 2005-03-28 Author(s): ZHU ZHEN-HE <br/><p>Computer simulations are carried out with the theoretical model presented in the previous paper for pulsed active-passive mode-locked Nd-glass and Nd : YAG lasers. The dependences of some characters of active-passive mode-locked lasers, such as mode-locking threshold, output stability, pulse width, pulse asymmetry, on modulation depth and detuning of the active modulator, concentration and relaxation time of the satura-ble dye, are given by the simulation calculations. The theoretical results are qualitatively in good agreement with experiments. Some experimental observations are explained. Thereby the physical processes involved in active-passive mode-locking are understood more deeply.</p> <br/>Acta Physica Sinica. 1985 34(5): 611-621. Published 2005-03-28 THEORETICAL CALCULATION OF PULSED ACTIVE-PASSIVE MODE-LOCKED SOLID-STATE LASERS (Ⅱ)——COMPUTER SIMULATION ZHU ZHEN-HE 2005-03-28 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1985 34(5): 611-621. article doi:10.7498/aps.34.611 10.7498/aps.34.611 Acta Physica Sinica 34 5 2005-03-28 //www.getgobooth.com/en/article/doi/10.7498/aps.34.611 611-621 <![CDATA[POSITRON LIFETIME SPECTRA AND SCANNING ELECTRON MICROSCOPE INVESTIGATIONS DURING THE CRYSTAL-LIZATION PROCESS OF AMORPHOUS IONIC CONDUCTOR B2O3-0.7Li2O-0.7LiCl-xAl2O3]]> //www.getgobooth.com/en/article/doi/10.7498/aps.34.622 Author(s): SU FANG, YU WEI-ZHONG, DAI DAO-YANG, ZHAO ZONG-YUAN <br/><p>The traditional pressed powder-samples spoil seriously the accuracy and reproduci-bility in measurement of positron lifetime spectra and scanning electron microscopy. This paper has overcome the above difficulties by preparing large amorphous disk-samples, and obtained new result of positron lifetime spectra and scanning electron microscopy during the crystallization process.According to our experiements on amorphous ionic conductor B2O3-0.7Li2O-0.7LiCl-xA12O3, we find that the mean lifetime of positron at room temparature is not affected by content Nariation of A12O3, mean lifetime of positron decreases greatly after full crystallization. Moreover, during the beginning of the crystallization process mean lifetime of positron of sample of x=0.15 exhibits a notable anomalous enhancement, which occurs within the same temperature range while the anomalous enhancement of ionic conductivity appears.</p> <br/>Acta Physica Sinica. 1985 34(5): 622-627. Published 2005-03-28 Author(s): SU FANG, YU WEI-ZHONG, DAI DAO-YANG, ZHAO ZONG-YUAN <br/><p>The traditional pressed powder-samples spoil seriously the accuracy and reproduci-bility in measurement of positron lifetime spectra and scanning electron microscopy. This paper has overcome the above difficulties by preparing large amorphous disk-samples, and obtained new result of positron lifetime spectra and scanning electron microscopy during the crystallization process.According to our experiements on amorphous ionic conductor B2O3-0.7Li2O-0.7LiCl-xA12O3, we find that the mean lifetime of positron at room temparature is not affected by content Nariation of A12O3, mean lifetime of positron decreases greatly after full crystallization. Moreover, during the beginning of the crystallization process mean lifetime of positron of sample of x=0.15 exhibits a notable anomalous enhancement, which occurs within the same temperature range while the anomalous enhancement of ionic conductivity appears.</p> <br/>Acta Physica Sinica. 1985 34(5): 622-627. Published 2005-03-28 POSITRON LIFETIME SPECTRA AND SCANNING ELECTRON MICROSCOPE INVESTIGATIONS DURING THE CRYSTAL-LIZATION PROCESS OF AMORPHOUS IONIC CONDUCTOR B2O3-0.7Li2O-0.7LiCl-xAl2O3 SU FANG, YU WEI-ZHONG, DAI DAO-YANG, ZHAO ZONG-YUAN 2005-03-28 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1985 34(5): 622-627. article doi:10.7498/aps.34.622 10.7498/aps.34.622 Acta Physica Sinica 34 5 2005-03-28 //www.getgobooth.com/en/article/doi/10.7498/aps.34.622 622-627 <![CDATA[LOW TEMPERATURE THERMOELECTRIC POWER OF AMORPHOUS (Fe1-xCrx)84B16 ALLOYS]]> //www.getgobooth.com/en/article/doi/10.7498/aps.34.628 Author(s): TONG LI-TAI, ZHOU ZENG-JUN, WANG GUI-ZHI <br/><p>The absolute thermoelectric power S of amorphous metallic alloys (Fe1-xCrx)84B16 has been measured as a function of temperature in the range of 80 to 380 K for 0.01≤x≤0.46. It is found that the behavior of S(T) for the magnetic alloys does not always follow a nonlinear variation law with a shallow minimum. The. addition of a small amount of Cr (x≤0.05) is shown to lower the absolute value of S and wash out the minimum. With a larger Cr content, the alloys are weakly magnetic and the behavior of S(T) changes from nonlinear, typical of magnetic amorphous alloys, to nearly linear, similar to that for nonmagnetic alloys. A value of x of 0.15 and 0.25 is not found to have any effect on the value of 8 at the Curie temperature Tc, which happened to he in our working temperature region.</p> <br/>Acta Physica Sinica. 1985 34(5): 628-633. Published 2005-03-28 Author(s): TONG LI-TAI, ZHOU ZENG-JUN, WANG GUI-ZHI <br/><p>The absolute thermoelectric power S of amorphous metallic alloys (Fe1-xCrx)84B16 has been measured as a function of temperature in the range of 80 to 380 K for 0.01≤x≤0.46. It is found that the behavior of S(T) for the magnetic alloys does not always follow a nonlinear variation law with a shallow minimum. The. addition of a small amount of Cr (x≤0.05) is shown to lower the absolute value of S and wash out the minimum. With a larger Cr content, the alloys are weakly magnetic and the behavior of S(T) changes from nonlinear, typical of magnetic amorphous alloys, to nearly linear, similar to that for nonmagnetic alloys. A value of x of 0.15 and 0.25 is not found to have any effect on the value of 8 at the Curie temperature Tc, which happened to he in our working temperature region.</p> <br/>Acta Physica Sinica. 1985 34(5): 628-633. Published 2005-03-28 LOW TEMPERATURE THERMOELECTRIC POWER OF AMORPHOUS (Fe1-xCrx)84B16 ALLOYS TONG LI-TAI, ZHOU ZENG-JUN, WANG GUI-ZHI 2005-03-28 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1985 34(5): 628-633. article doi:10.7498/aps.34.628 10.7498/aps.34.628 Acta Physica Sinica 34 5 2005-03-28 //www.getgobooth.com/en/article/doi/10.7498/aps.34.628 628-633 <![CDATA[AN ELECTRON SPECTROSCOPY STUDY OF THE In/GaAs (111) INTERFACE FORMATION PROCESS]]> //www.getgobooth.com/en/article/doi/10.7498/aps.34.634 Author(s): DING XUN-MIN, DONG GUO-SHENG, YANG SHU, CHEN PING, WANG XUN <br/><p>The interface formation process for In deposited on noncleaved GaAs (111) plane has been studied by means of photoemission speetroscopy combined with LEED pattern analysis. It is shown that the growth of three-dimensional In clusters dominates in this process. The surface Fermi level is found at 0.75±0.05 eV above VBM for all the investigated n-type samples prior to the deposition of In: these include both Ga-terminated GaAs(lll)-A and Asterminated GaAs (lll)-B faces. The Fermi level rapidly shifts to 0.90±0.05 eV above VBM during the deposition of In.</p> <br/>Acta Physica Sinica. 1985 34(5): 634-639. Published 2005-03-28 Author(s): DING XUN-MIN, DONG GUO-SHENG, YANG SHU, CHEN PING, WANG XUN <br/><p>The interface formation process for In deposited on noncleaved GaAs (111) plane has been studied by means of photoemission speetroscopy combined with LEED pattern analysis. It is shown that the growth of three-dimensional In clusters dominates in this process. The surface Fermi level is found at 0.75±0.05 eV above VBM for all the investigated n-type samples prior to the deposition of In: these include both Ga-terminated GaAs(lll)-A and Asterminated GaAs (lll)-B faces. The Fermi level rapidly shifts to 0.90±0.05 eV above VBM during the deposition of In.</p> <br/>Acta Physica Sinica. 1985 34(5): 634-639. Published 2005-03-28 AN ELECTRON SPECTROSCOPY STUDY OF THE In/GaAs (111) INTERFACE FORMATION PROCESS DING XUN-MIN, DONG GUO-SHENG, YANG SHU, CHEN PING, WANG XUN 2005-03-28 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1985 34(5): 634-639. article doi:10.7498/aps.34.634 10.7498/aps.34.634 Acta Physica Sinica 34 5 2005-03-28 //www.getgobooth.com/en/article/doi/10.7498/aps.34.634 634-639 <![CDATA[THE MECHANISM OF CONDUCTIVITY AND THE SUPER-CONDUCTING TRANSITION ANOMALIES IN METASTABLE INTERMEDIATE PHASE]]> //www.getgobooth.com/en/article/doi/10.7498/aps.34.640 Author(s): ZHANG YU-HENG, LIU HONG-BAO, YUAN SONG-LIU, CAO XIAO-WEN <br/><p>The relation between conductivity σ(Ta) and temperature T has been investigated experimentaly for the samples with different structure under phase transition. We have found anomalous phenomenon on superconducting transition R(T) curves corresponding to some special phase transition zones as the samples crystallize into metastable intermediat phase.In this paper, a mixed state model is suggested, in which the metastable metal-phase and the quasi-semiconducting phases are mixed. Based on this model, the anomalous phenomenon can be explained and the theoretical calculations is carried out. The theory is in agreement with experimental data fairly.</p> <br/>Acta Physica Sinica. 1985 34(5): 640-651. Published 2005-03-28 Author(s): ZHANG YU-HENG, LIU HONG-BAO, YUAN SONG-LIU, CAO XIAO-WEN <br/><p>The relation between conductivity σ(Ta) and temperature T has been investigated experimentaly for the samples with different structure under phase transition. We have found anomalous phenomenon on superconducting transition R(T) curves corresponding to some special phase transition zones as the samples crystallize into metastable intermediat phase.In this paper, a mixed state model is suggested, in which the metastable metal-phase and the quasi-semiconducting phases are mixed. Based on this model, the anomalous phenomenon can be explained and the theoretical calculations is carried out. The theory is in agreement with experimental data fairly.</p> <br/>Acta Physica Sinica. 1985 34(5): 640-651. Published 2005-03-28 THE MECHANISM OF CONDUCTIVITY AND THE SUPER-CONDUCTING TRANSITION ANOMALIES IN METASTABLE INTERMEDIATE PHASE ZHANG YU-HENG, LIU HONG-BAO, YUAN SONG-LIU, CAO XIAO-WEN 2005-03-28 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1985 34(5): 640-651. article doi:10.7498/aps.34.640 10.7498/aps.34.640 Acta Physica Sinica 34 5 2005-03-28 //www.getgobooth.com/en/article/doi/10.7498/aps.34.640 640-651 <![CDATA[RESISTIVITY OF METALLIC GLASS CuTi]]> //www.getgobooth.com/en/article/doi/10.7498/aps.34.652 Author(s): CAO ZHONG-SHENG, ZHAO ZHONG-XIAN, FENG BEN-ZHENG <br/><p>We choose the typical metallic glass Cu1-xTix alloys with two concent ations (x= 0.300 and x=0.325) made by melt-spinning technique as the sample. The X-ray diffraction, DTA and DSC analyses show that the samples exhibit typical amorphous charac-teristecs. In the wide temperature range 2-700 K, the resistivity is in aceordance with Mooij rule. Based on the Nagel nearly free electron model, Mott s-d scattering model, quasi-particles excitation by disorder configuration model and two-level tunnelling model for the electrical transport properties of amorphous alloys, the results are analysed,. The theoretical results in two level tunnelling model agree with the experimental data much better.</p> <br/>Acta Physica Sinica. 1985 34(5): 652-662. Published 2005-03-28 Author(s): CAO ZHONG-SHENG, ZHAO ZHONG-XIAN, FENG BEN-ZHENG <br/><p>We choose the typical metallic glass Cu1-xTix alloys with two concent ations (x= 0.300 and x=0.325) made by melt-spinning technique as the sample. The X-ray diffraction, DTA and DSC analyses show that the samples exhibit typical amorphous charac-teristecs. In the wide temperature range 2-700 K, the resistivity is in aceordance with Mooij rule. Based on the Nagel nearly free electron model, Mott s-d scattering model, quasi-particles excitation by disorder configuration model and two-level tunnelling model for the electrical transport properties of amorphous alloys, the results are analysed,. The theoretical results in two level tunnelling model agree with the experimental data much better.</p> <br/>Acta Physica Sinica. 1985 34(5): 652-662. Published 2005-03-28 RESISTIVITY OF METALLIC GLASS CuTi CAO ZHONG-SHENG, ZHAO ZHONG-XIAN, FENG BEN-ZHENG 2005-03-28 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1985 34(5): 652-662. article doi:10.7498/aps.34.652 10.7498/aps.34.652 Acta Physica Sinica 34 5 2005-03-28 //www.getgobooth.com/en/article/doi/10.7498/aps.34.652 652-662 <![CDATA[MONTE CARLO STUDY OF SU(2) LATTICE GAUGE THEORY FOR SOME ALTERNATIVE FORMS OF ACTION]]> //www.getgobooth.com/en/article/doi/10.7498/aps.34.663 Author(s): LI WEN-ZHU, DONG SHAO-JING <br/><p>For SU(2) lattice gauge theory, three alternative forms of action proposed by us are studied by means of Monte Carlo method, their internal energy per plaquette and specific heat are calculated. The curves of their internal energy approach to the same weak-coupling approximation when β is large. There are peaks on their specific heat curves which indicate the critical points of transition from strong-coupling to weak-coupling. We find clear evidence showing that the deviation of critical point is only due to the difference of higher order terms of lattice spacing a.</p> <br/>Acta Physica Sinica. 1985 34(5): 663-666. Published 2005-03-28 Author(s): LI WEN-ZHU, DONG SHAO-JING <br/><p>For SU(2) lattice gauge theory, three alternative forms of action proposed by us are studied by means of Monte Carlo method, their internal energy per plaquette and specific heat are calculated. The curves of their internal energy approach to the same weak-coupling approximation when β is large. There are peaks on their specific heat curves which indicate the critical points of transition from strong-coupling to weak-coupling. We find clear evidence showing that the deviation of critical point is only due to the difference of higher order terms of lattice spacing a.</p> <br/>Acta Physica Sinica. 1985 34(5): 663-666. Published 2005-03-28 MONTE CARLO STUDY OF SU(2) LATTICE GAUGE THEORY FOR SOME ALTERNATIVE FORMS OF ACTION LI WEN-ZHU, DONG SHAO-JING 2005-03-28 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1985 34(5): 663-666. article doi:10.7498/aps.34.663 10.7498/aps.34.663 Acta Physica Sinica 34 5 2005-03-28 //www.getgobooth.com/en/article/doi/10.7498/aps.34.663 663-666 <![CDATA[ANOMALOUS CHANGE OF DIELECTRIC AND ELASTIC PROPERTIES AND p-T PHASE DIAGRAM OF LiKSO4 CRYSTALS]]> //www.getgobooth.com/en/article/doi/10.7498/aps.34.667 Author(s): YAO YU-SHU, WANG RU-JU, WANG JI-FANG, HE SHOU-AN, ZHANG LIANG-KUN <br/><p>We studied the dielectric and elastic properties of LiKSO4 crystal under various temperature (150-350 K) and pressure (0-10 kbar). An anomalous change of the dielectric and elastic constants was found near the room temperature and 8.2 kbar (correspond to raising pressure) and 4kbar (correspond to releasing pressure). We attribute this anomalous change to the phase transition induced by the pressure. The process of this phase transition is accompanied by large pressure hysteresis.We also obtained the p-T phase diagram of LiKSO4 in these temperature and pressure range. A triple point was found near 3.8 kbar and 281 K.</p> <br/>Acta Physica Sinica. 1985 34(5): 667-673. Published 2005-03-28 Author(s): YAO YU-SHU, WANG RU-JU, WANG JI-FANG, HE SHOU-AN, ZHANG LIANG-KUN <br/><p>We studied the dielectric and elastic properties of LiKSO4 crystal under various temperature (150-350 K) and pressure (0-10 kbar). An anomalous change of the dielectric and elastic constants was found near the room temperature and 8.2 kbar (correspond to raising pressure) and 4kbar (correspond to releasing pressure). We attribute this anomalous change to the phase transition induced by the pressure. The process of this phase transition is accompanied by large pressure hysteresis.We also obtained the p-T phase diagram of LiKSO4 in these temperature and pressure range. A triple point was found near 3.8 kbar and 281 K.</p> <br/>Acta Physica Sinica. 1985 34(5): 667-673. Published 2005-03-28 ANOMALOUS CHANGE OF DIELECTRIC AND ELASTIC PROPERTIES AND p-T PHASE DIAGRAM OF LiKSO4 CRYSTALS YAO YU-SHU, WANG RU-JU, WANG JI-FANG, HE SHOU-AN, ZHANG LIANG-KUN 2005-03-28 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1985 34(5): 667-673. article doi:10.7498/aps.34.667 10.7498/aps.34.667 Acta Physica Sinica 34 5 2005-03-28 //www.getgobooth.com/en/article/doi/10.7498/aps.34.667 667-673 <![CDATA[GROWTH AND OPTICAL PROPERTIES OF K5Bi(MoO4)4-Nd3+ SINGLE CRYSTALS]]> //www.getgobooth.com/en/article/doi/10.7498/aps.34.674 Author(s): TANG LIAN-AN, LIU JIAN-CHENG, CHEN JIA-PING, WANG WEN, LE XIU-HONG <br/><p>Single crystals of K5Bi0.9Nd0.1 (MoO4)4 and K5Bi0.97Nd0.03(MoO4)4 were grown from sto-ichiometric melts by the usual Czochralski technique. The crystal (Nd = 0.1) belongs to trigonal system, with space group R3m, Z = 1.5, and cell parameters a = 6.023 ?, c=20.887?.The room temperature absorption spectra of K,Bi(MoO4)4-Nd3+(3 % or 10 % Nd3+) consist of several bands characteristic of the rare earth Nd ions in crystals. The substitution of Nd3+ by Bi3+ does not affect the surrounding of the active ions. Details of room temperature emission spectra corresponding to the 4F3/2→4I13/2 and 4F3/2→4I11/2 transitions are also given.</p> <br/>Acta Physica Sinica. 1985 34(5): 674-680. Published 2005-03-28 Author(s): TANG LIAN-AN, LIU JIAN-CHENG, CHEN JIA-PING, WANG WEN, LE XIU-HONG <br/><p>Single crystals of K5Bi0.9Nd0.1 (MoO4)4 and K5Bi0.97Nd0.03(MoO4)4 were grown from sto-ichiometric melts by the usual Czochralski technique. The crystal (Nd = 0.1) belongs to trigonal system, with space group R3m, Z = 1.5, and cell parameters a = 6.023 ?, c=20.887?.The room temperature absorption spectra of K,Bi(MoO4)4-Nd3+(3 % or 10 % Nd3+) consist of several bands characteristic of the rare earth Nd ions in crystals. The substitution of Nd3+ by Bi3+ does not affect the surrounding of the active ions. Details of room temperature emission spectra corresponding to the 4F3/2→4I13/2 and 4F3/2→4I11/2 transitions are also given.</p> <br/>Acta Physica Sinica. 1985 34(5): 674-680. Published 2005-03-28 GROWTH AND OPTICAL PROPERTIES OF K5Bi(MoO4)4-Nd3+ SINGLE CRYSTALS TANG LIAN-AN, LIU JIAN-CHENG, CHEN JIA-PING, WANG WEN, LE XIU-HONG 2005-03-28 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1985 34(5): 674-680. article doi:10.7498/aps.34.674 10.7498/aps.34.674 Acta Physica Sinica 34 5 2005-03-28 //www.getgobooth.com/en/article/doi/10.7498/aps.34.674 674-680 <![CDATA[CONVERGENT BEAM ELECTRON DIFFRACTION STUDY OF C14 TYPE LAVES PHASE IN GH 302 ALLOY]]> //www.getgobooth.com/en/article/doi/10.7498/aps.34.681 Author(s): WANG DA-NENG, ArNe OLSEN, YE HENG-QIANG <br/><p>The dendritical spaped precipitates in GH 302 alloy were identified as C14 type Laves phase by means of CBED, SED and X-ray mitro-analysis.</p> <br/>Acta Physica Sinica. 1985 34(5): 681-684. Published 2005-03-28 Author(s): WANG DA-NENG, ArNe OLSEN, YE HENG-QIANG <br/><p>The dendritical spaped precipitates in GH 302 alloy were identified as C14 type Laves phase by means of CBED, SED and X-ray mitro-analysis.</p> <br/>Acta Physica Sinica. 1985 34(5): 681-684. Published 2005-03-28 CONVERGENT BEAM ELECTRON DIFFRACTION STUDY OF C14 TYPE LAVES PHASE IN GH 302 ALLOY WANG DA-NENG, ArNe OLSEN, YE HENG-QIANG 2005-03-28 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1985 34(5): 681-684. article doi:10.7498/aps.34.681 10.7498/aps.34.681 Acta Physica Sinica 34 5 2005-03-28 //www.getgobooth.com/en/article/doi/10.7498/aps.34.681 681-684 <![CDATA[AN INVESTIGATION OF EPR PARAMETERS AND K+ VACANCY IN KMgF3:Cr3+]]> //www.getgobooth.com/en/article/doi/10.7498/aps.34.685 Author(s): WAN KE-NING, XIONG QUAN, HONG XIAO-TU <br/><p>It has been shown that the paramagnetic ions doped in KMgF3 are in axial symme-try environment. In the present work, that the shift of the nearest neighbour F- ions of the K+ vacancy, 3.76°and -0.64°deviating from the c3 axis respectively, are predic-ted by analysing the anisotropic g factors and the zero-field splitting of EPR.</p> <br/>Acta Physica Sinica. 1985 34(5): 685-688. Published 2005-03-28 Author(s): WAN KE-NING, XIONG QUAN, HONG XIAO-TU <br/><p>It has been shown that the paramagnetic ions doped in KMgF3 are in axial symme-try environment. In the present work, that the shift of the nearest neighbour F- ions of the K+ vacancy, 3.76°and -0.64°deviating from the c3 axis respectively, are predic-ted by analysing the anisotropic g factors and the zero-field splitting of EPR.</p> <br/>Acta Physica Sinica. 1985 34(5): 685-688. Published 2005-03-28 AN INVESTIGATION OF EPR PARAMETERS AND K+ VACANCY IN KMgF3:Cr3+ WAN KE-NING, XIONG QUAN, HONG XIAO-TU 2005-03-28 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1985 34(5): 685-688. article doi:10.7498/aps.34.685 10.7498/aps.34.685 Acta Physica Sinica 34 5 2005-03-28 //www.getgobooth.com/en/article/doi/10.7498/aps.34.685 685-688 <![CDATA[THERMAL NEUTRON INELASTIC SCATTERING SPECTRA OF LaNi4.5Mn0.5Hx]]> //www.getgobooth.com/en/article/doi/10.7498/aps.34.689 Author(s): CAO MING-ZHONG, WANG FU-TUAN, WANG GEN-SHI, SONG DE-YING, CHEN GUI-YING, RUAN JING-HUI <br/><p>Inelastic neutron scattering spectra of LaNi4.5Mn0.5Hx (x=1.2, 4.2, 5.6) have been measured using berylium filter detector spectrometer. From the spectras, it was found that the second and the third peak of optical branches shifted 6 meV and 10 meV towarcs high frequency respectively, and the M-H bond in LaNi4.5Mn0.5Hx became stronger than that in LaNi5Hx, after the same part Ni of LaNi5 was replaced by Mn. Finally, we explained the cause of this phenomena in brief.</p> <br/>Acta Physica Sinica. 1985 34(5): 689-693. Published 2005-03-28 Author(s): CAO MING-ZHONG, WANG FU-TUAN, WANG GEN-SHI, SONG DE-YING, CHEN GUI-YING, RUAN JING-HUI <br/><p>Inelastic neutron scattering spectra of LaNi4.5Mn0.5Hx (x=1.2, 4.2, 5.6) have been measured using berylium filter detector spectrometer. From the spectras, it was found that the second and the third peak of optical branches shifted 6 meV and 10 meV towarcs high frequency respectively, and the M-H bond in LaNi4.5Mn0.5Hx became stronger than that in LaNi5Hx, after the same part Ni of LaNi5 was replaced by Mn. Finally, we explained the cause of this phenomena in brief.</p> <br/>Acta Physica Sinica. 1985 34(5): 689-693. Published 2005-03-28 THERMAL NEUTRON INELASTIC SCATTERING SPECTRA OF LaNi4.5Mn0.5Hx CAO MING-ZHONG, WANG FU-TUAN, WANG GEN-SHI, SONG DE-YING, CHEN GUI-YING, RUAN JING-HUI 2005-03-28 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1985 34(5): 689-693. article doi:10.7498/aps.34.689 10.7498/aps.34.689 Acta Physica Sinica 34 5 2005-03-28 //www.getgobooth.com/en/article/doi/10.7498/aps.34.689 689-693 <![CDATA[A MODEL OF QUASI-PARTICLE EXCITATION BY DISORDER CONFIGURATION FOR THE LOW TEMPERATURE ELECTRONIC RESISTIVITY IN METALLIC GLASS]]> //www.getgobooth.com/en/article/doi/10.7498/aps.34.694 Author(s): CAO ZHONG-SHENG, LIU FU-SUI, ZHAO ZHONG-XIAN <br/><p>Based upon Kubo 's linear response theory, we propose a simple quasi-particle exita-tion model of low temperature anomalous resistivity in highly disordered metallic systems.In our model, the Fermi level is deformed as a result of configurational disorder.</p> <br/>Acta Physica Sinica. 1985 34(5): 694-699. Published 2005-03-28 Author(s): CAO ZHONG-SHENG, LIU FU-SUI, ZHAO ZHONG-XIAN <br/><p>Based upon Kubo 's linear response theory, we propose a simple quasi-particle exita-tion model of low temperature anomalous resistivity in highly disordered metallic systems.In our model, the Fermi level is deformed as a result of configurational disorder.</p> <br/>Acta Physica Sinica. 1985 34(5): 694-699. Published 2005-03-28 A MODEL OF QUASI-PARTICLE EXCITATION BY DISORDER CONFIGURATION FOR THE LOW TEMPERATURE ELECTRONIC RESISTIVITY IN METALLIC GLASS CAO ZHONG-SHENG, LIU FU-SUI, ZHAO ZHONG-XIAN 2005-03-28 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1985 34(5): 694-699. article doi:10.7498/aps.34.694 10.7498/aps.34.694 Acta Physica Sinica 34 5 2005-03-28 //www.getgobooth.com/en/article/doi/10.7498/aps.34.694 694-699 <![CDATA[THE SELF-FIELD EFFECT OF JOSEPHSON JUNCTION WITH SMALL DIMENSION]]> //www.getgobooth.com/en/article/doi/10.7498/aps.34.700 Author(s): ZHANG YU-HENG, SHEN XIU-LING <br/><p>It is pointed out in this paper that there is obviously a self-field effect in small dimension Josephson junction consisting of crossed thin films when the current in the junction is asymmetrically supplied. The symmetries of I(H)-H curves would be changed by the asymmetrical self-field.</p> <br/>Acta Physica Sinica. 1985 34(5): 700-705. Published 2005-03-28 Author(s): ZHANG YU-HENG, SHEN XIU-LING <br/><p>It is pointed out in this paper that there is obviously a self-field effect in small dimension Josephson junction consisting of crossed thin films when the current in the junction is asymmetrically supplied. The symmetries of I(H)-H curves would be changed by the asymmetrical self-field.</p> <br/>Acta Physica Sinica. 1985 34(5): 700-705. Published 2005-03-28 THE SELF-FIELD EFFECT OF JOSEPHSON JUNCTION WITH SMALL DIMENSION ZHANG YU-HENG, SHEN XIU-LING 2005-03-28 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1985 34(5): 700-705. article doi:10.7498/aps.34.700 10.7498/aps.34.700 Acta Physica Sinica 34 5 2005-03-28 //www.getgobooth.com/en/article/doi/10.7498/aps.34.700 700-705 <![CDATA[AN EMPIRICAL EXPRESSION OF TRANSITION TEMPERATURE Tc FOR AMORPHOUS SUPERCONDUCTORS]]> //www.getgobooth.com/en/article/doi/10.7498/aps.34.706 Author(s): CAO XIAO-WEN <br/><p>We propose an empirical expression of the transition temperature Tc for amorphous superconductors including a number of nontransition metals, namely Tc = Aλ〈ω〉1/2/(〈ω〉/ω0 +(1+λ)/20), here A =(1/5)(K1/2). The comparison of the calculated values with experimental data and Garland theory for Tc shows that this empirical expression can describe the Tc values of amorphous superconductors satisfactorily.</p> <br/>Acta Physica Sinica. 1985 34(5): 706-708. Published 2005-03-28 Author(s): CAO XIAO-WEN <br/><p>We propose an empirical expression of the transition temperature Tc for amorphous superconductors including a number of nontransition metals, namely Tc = Aλ〈ω〉1/2/(〈ω〉/ω0 +(1+λ)/20), here A =(1/5)(K1/2). The comparison of the calculated values with experimental data and Garland theory for Tc shows that this empirical expression can describe the Tc values of amorphous superconductors satisfactorily.</p> <br/>Acta Physica Sinica. 1985 34(5): 706-708. Published 2005-03-28 AN EMPIRICAL EXPRESSION OF TRANSITION TEMPERATURE Tc FOR AMORPHOUS SUPERCONDUCTORS CAO XIAO-WEN 2005-03-28 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1985 34(5): 706-708. article doi:10.7498/aps.34.706 10.7498/aps.34.706 Acta Physica Sinica 34 5 2005-03-28 //www.getgobooth.com/en/article/doi/10.7498/aps.34.706 706-708
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