//m.getgobooth.com/ 必威体育下载 daily 15 2024-10-08 13:42:52 apsoffice@iphy.ac.cn apsoffice@iphy.ac.cn 2024-10-08 13:42:52 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 //m.getgobooth.com/en/article/doi/10.7498/aps.40.1897 Author(s): YANG LI <br/><p>All the perturbed Rydberg series, i. e., 3sns 1S0,3snp 1P1O, 3P0,1,2O,3snd 1D2 and 3snf 3F2,3,4O, have been studied by the multichannel quantum defect theory (MQDT). The analysis show that, the first two series are weakly disturbed, the rest, however, are strongly perturbed by the core-excited states: 3p4s 1P1O,3p2 1D2 and 3p3d 3F2,3,4O, respectively and 3snf 1F3O by 3p3d 1F3O which may be located 5613 cm-1 above the first ionizing potential according to our estimation. This prediction agrees with those made by other authors.</p> <br/>Acta Physica Sinica. 1991 40(12): 1897-1903. Published 1991-06-05 Author(s): YANG LI <br/><p>All the perturbed Rydberg series, i. e., 3sns 1S0,3snp 1P1O, 3P0,1,2O,3snd 1D2 and 3snf 3F2,3,4O, have been studied by the multichannel quantum defect theory (MQDT). The analysis show that, the first two series are weakly disturbed, the rest, however, are strongly perturbed by the core-excited states: 3p4s 1P1O,3p2 1D2 and 3p3d 3F2,3,4O, respectively and 3snf 1F3O by 3p3d 1F3O which may be located 5613 cm-1 above the first ionizing potential according to our estimation. This prediction agrees with those made by other authors.</p> <br/>Acta Physica Sinica. 1991 40(12): 1897-1903. Published 1991-06-05 AN ANALYSIS OF ENERGY LEVEL STRUCTURES FOR SINGLE IONIZED ALUMINUM BY MQDT YANG LI 1991-06-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1991 40(12): 1897-1903. article doi:10.7498/aps.40.1897 10.7498/aps.40.1897 Acta Physica Sinica 40 12 1991-06-05 //m.getgobooth.com/en/article/doi/10.7498/aps.40.1897 1897-1903 //m.getgobooth.com/en/article/doi/10.7498/aps.40.1904 Author(s): WU JI-AN, DAI MING, NI GUO-QUAN, ZHOU RU-FANG <br/><p>Xα-SW SCF calculations have been carried out for hep structure cluster Al12M, where M is one of 3d transition metal impurity atoms Cr, Mn, Fe, Co and Ni. The calculated results indicate that the electronic structures near the Fermi levels are notably influenced by the impuriy atoms. With the variation of impurity atomic numbers the ionization potentials of the systems vary not monotonously.</p> <br/>Acta Physica Sinica. 1991 40(12): 1904-1908. Published 1991-06-05 Author(s): WU JI-AN, DAI MING, NI GUO-QUAN, ZHOU RU-FANG <br/><p>Xα-SW SCF calculations have been carried out for hep structure cluster Al12M, where M is one of 3d transition metal impurity atoms Cr, Mn, Fe, Co and Ni. The calculated results indicate that the electronic structures near the Fermi levels are notably influenced by the impuriy atoms. With the variation of impurity atomic numbers the ionization potentials of the systems vary not monotonously.</p> <br/>Acta Physica Sinica. 1991 40(12): 1904-1908. Published 1991-06-05 ELECTRONIC STRUCTURES OF DOPED HCP CLUSTERS Al12M WU JI-AN, DAI MING, NI GUO-QUAN, ZHOU RU-FANG 1991-06-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1991 40(12): 1904-1908. article doi:10.7498/aps.40.1904 10.7498/aps.40.1904 Acta Physica Sinica 40 12 1991-06-05 //m.getgobooth.com/en/article/doi/10.7498/aps.40.1904 1904-1908 //m.getgobooth.com/en/article/doi/10.7498/aps.40.1909 Author(s): LIU HONG, CHEN AI-QIU, LI BAI-WEN <br/><p>On the basis of impulse approximate merhod, a kind of analytical wavefunctions based on a potential model was used to calculate the l mixing cross section of thermal collision of Ryd-berg states of atomic Rb with rare gas (He, Ne). The results were compared with the experimental results and other theoretical values. These results show that there exists a kind of scaling law for the l mixing cross section of Rydberg alkali atoms.</p> <br/>Acta Physica Sinica. 1991 40(12): 1909-1914. Published 1991-06-05 Author(s): LIU HONG, CHEN AI-QIU, LI BAI-WEN <br/><p>On the basis of impulse approximate merhod, a kind of analytical wavefunctions based on a potential model was used to calculate the l mixing cross section of thermal collision of Ryd-berg states of atomic Rb with rare gas (He, Ne). The results were compared with the experimental results and other theoretical values. These results show that there exists a kind of scaling law for the l mixing cross section of Rydberg alkali atoms.</p> <br/>Acta Physica Sinica. 1991 40(12): 1909-1914. Published 1991-06-05 THE l-MIXING CROSS SECTION OF RYDBERG STATES OF ATOMIC Rb AND THE SCALING LAW LIU HONG, CHEN AI-QIU, LI BAI-WEN 1991-06-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1991 40(12): 1909-1914. article doi:10.7498/aps.40.1909 10.7498/aps.40.1909 Acta Physica Sinica 40 12 1991-06-05 //m.getgobooth.com/en/article/doi/10.7498/aps.40.1909 1909-1914 //m.getgobooth.com/en/article/doi/10.7498/aps.40.1915 Author(s): FU SHI-YOU, ZHANG PENG-XIANG, LI XIU-YING <br/><p>The influence of chloride ions on SERS of PABA (p-aminobenzioc acid) and pyridine in Ag sol were discussed. SERS of PABA in Ag sol, the influence of chloride ions on and the time dependence of SERS intensities were obser ved. It was found that the decrease of SERS intensity was caused by that the solid like phase adsorption of PABA was destroyed and the molecular adsorption state was changed dut to the competitive adsorption of chloride ions. Besides, the influence of chloride ions on the time dependence of SERS intensities of a mixture of PABA/Ag sol and pyridine/Ag sol and on the light absorption of PABA and pyridine in Ag sol were studied. These experimtnts show that the influence of chloride ions on SERS in our system are mainly chemical.</p> <br/>Acta Physica Sinica. 1991 40(12): 1915-1921. Published 1991-06-05 Author(s): FU SHI-YOU, ZHANG PENG-XIANG, LI XIU-YING <br/><p>The influence of chloride ions on SERS of PABA (p-aminobenzioc acid) and pyridine in Ag sol were discussed. SERS of PABA in Ag sol, the influence of chloride ions on and the time dependence of SERS intensities were obser ved. It was found that the decrease of SERS intensity was caused by that the solid like phase adsorption of PABA was destroyed and the molecular adsorption state was changed dut to the competitive adsorption of chloride ions. Besides, the influence of chloride ions on the time dependence of SERS intensities of a mixture of PABA/Ag sol and pyridine/Ag sol and on the light absorption of PABA and pyridine in Ag sol were studied. These experimtnts show that the influence of chloride ions on SERS in our system are mainly chemical.</p> <br/>Acta Physica Sinica. 1991 40(12): 1915-1921. Published 1991-06-05 INFLUENCE OF CHLORIDE IONS ON SERS IN Ag SOL FU SHI-YOU, ZHANG PENG-XIANG, LI XIU-YING 1991-06-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1991 40(12): 1915-1921. article doi:10.7498/aps.40.1915 10.7498/aps.40.1915 Acta Physica Sinica 40 12 1991-06-05 //m.getgobooth.com/en/article/doi/10.7498/aps.40.1915 1915-1921 //m.getgobooth.com/en/article/doi/10.7498/aps.40.1922 Author(s): LIU LEI, LI JIA-MING <br/><p>Based on the atomic self-consistent-field theory, we have performed relativistic calculations for reduced normalization factors and photoionization cross sections of occupied shells of various ionized iron and uranium atoms. For photoionization cross sections of a specific subshell of an atom with various degrees ionization, their ratios at photon energies above about 101keV agree with the squares of the ratios of the corresponding reduced normalization factors within 1%.</p> <br/>Acta Physica Sinica. 1991 40(12): 1922-1928. Published 1991-06-05 Author(s): LIU LEI, LI JIA-MING <br/><p>Based on the atomic self-consistent-field theory, we have performed relativistic calculations for reduced normalization factors and photoionization cross sections of occupied shells of various ionized iron and uranium atoms. For photoionization cross sections of a specific subshell of an atom with various degrees ionization, their ratios at photon energies above about 101keV agree with the squares of the ratios of the corresponding reduced normalization factors within 1%.</p> <br/>Acta Physica Sinica. 1991 40(12): 1922-1928. Published 1991-06-05 AMPLITUDES OF ELECTRONIC WAVEFUNCTIONS AT NUCLEI FOR ATOMS (I)——HIGH ENERGY PHOTOIONIZATION PROCESSES OF ATOMIC IONS LIU LEI, LI JIA-MING 1991-06-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1991 40(12): 1922-1928. article doi:10.7498/aps.40.1922 10.7498/aps.40.1922 Acta Physica Sinica 40 12 1991-06-05 //m.getgobooth.com/en/article/doi/10.7498/aps.40.1922 1922-1928 //m.getgobooth.com/en/article/doi/10.7498/aps.40.1929 Author(s): LIU LEI, LI JIA-MING <br/><p>Based on the atomic self-consistent-field theory, we have performed relativistic calculations for reduced normalization factors of occupied shell wavef unctions of all atomic ions up to Z = 95. Their dependance on the atomic number and the degree of ionization are elucidated.</p> <br/>Acta Physica Sinica. 1991 40(12): 1929-1933. Published 1991-06-05 Author(s): LIU LEI, LI JIA-MING <br/><p>Based on the atomic self-consistent-field theory, we have performed relativistic calculations for reduced normalization factors of occupied shell wavef unctions of all atomic ions up to Z = 95. Their dependance on the atomic number and the degree of ionization are elucidated.</p> <br/>Acta Physica Sinica. 1991 40(12): 1929-1933. Published 1991-06-05 AMPLITUDES OF ELECTRONIC WAVEFUNCTIONS AT NUCLEI FOR ATOMS (II)——AMPLITUDES OF ELECTRONIC WAVEFUNCTIONS AT NUCLEI FOR ATOMIC IONS LIU LEI, LI JIA-MING 1991-06-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1991 40(12): 1929-1933. article doi:10.7498/aps.40.1929 10.7498/aps.40.1929 Acta Physica Sinica 40 12 1991-06-05 //m.getgobooth.com/en/article/doi/10.7498/aps.40.1929 1929-1933 //m.getgobooth.com/en/article/doi/10.7498/aps.40.1934 Author(s): ZHONG XI-HUA, ZHOU YUE-MING, ZHU YA-FEN <br/><p>In this paper, three modes of self-similar time informations on Cantor's fractal axis are constructed. Based upon a theoretical view point of generative production, we have found the recurrence formulae of spectral structure factor and shape factor of them, and plotted four series of spectral curves. By the comparison and progression of spectral curves, it can be seen that the structure factors play the ground role and the shape factors play the modulatory role, and there are competitive phenomena between generations. This investigation provides a basis for further understandng of the characteristics of self-similar informations by a new representation such as frequency domain.</p> <br/>Acta Physica Sinica. 1991 40(12): 1934-1941. Published 1991-06-05 Author(s): ZHONG XI-HUA, ZHOU YUE-MING, ZHU YA-FEN <br/><p>In this paper, three modes of self-similar time informations on Cantor's fractal axis are constructed. Based upon a theoretical view point of generative production, we have found the recurrence formulae of spectral structure factor and shape factor of them, and plotted four series of spectral curves. By the comparison and progression of spectral curves, it can be seen that the structure factors play the ground role and the shape factors play the modulatory role, and there are competitive phenomena between generations. This investigation provides a basis for further understandng of the characteristics of self-similar informations by a new representation such as frequency domain.</p> <br/>Acta Physica Sinica. 1991 40(12): 1934-1941. Published 1991-06-05 A STUDY ON THE SPECTRA OF SELF-SIMILAR TIME INFORMATIONS ZHONG XI-HUA, ZHOU YUE-MING, ZHU YA-FEN 1991-06-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1991 40(12): 1934-1941. article doi:10.7498/aps.40.1934 10.7498/aps.40.1934 Acta Physica Sinica 40 12 1991-06-05 //m.getgobooth.com/en/article/doi/10.7498/aps.40.1934 1934-1941 //m.getgobooth.com/en/article/doi/10.7498/aps.40.1942 Author(s): HU XI-WEI <br/><p>A Monte-Carlo method is used to simulate the turbulent electrostatic field with space correlation. Evolution processes of relative and absolute diffusions of charged particles in this turbulent field can be obtained by integrating equations of motion of the particles. Simulation results agree well with the analytic theories both qualitatively and semi-quantitatively.</p> <br/>Acta Physica Sinica. 1991 40(12): 1942-1947. Published 1991-06-05 Author(s): HU XI-WEI <br/><p>A Monte-Carlo method is used to simulate the turbulent electrostatic field with space correlation. Evolution processes of relative and absolute diffusions of charged particles in this turbulent field can be obtained by integrating equations of motion of the particles. Simulation results agree well with the analytic theories both qualitatively and semi-quantitatively.</p> <br/>Acta Physica Sinica. 1991 40(12): 1942-1947. Published 1991-06-05 A SIMULATION OF DIFFUSION OF CHARGED PARTICLES IN A SPACE CORRELATION TURBULENT ELECTRIC FIELD HU XI-WEI 1991-06-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1991 40(12): 1942-1947. article doi:10.7498/aps.40.1942 10.7498/aps.40.1942 Acta Physica Sinica 40 12 1991-06-05 //m.getgobooth.com/en/article/doi/10.7498/aps.40.1942 1942-1947 //m.getgobooth.com/en/article/doi/10.7498/aps.40.1948 Author(s): HE KAI-FEN, HU GANG <br/><p>The nonlinear drift-wave equation driven by a sinusoidal wave is discussed in a coordinate system moving in the driving phase speed. It is shown that the hysteretic jump of the wave energy and its transition to periodic motions from the steady state can be described integrately by the perturbation method proposed in this paper. The saddle-node and Hopf bifurcations of certain resonance mode are responsible for them respectively. The frequency of the periodic oscillatory wave energy is relevant to the eigen-frequency of the system, which is different from the one in the laboratory frame due to the Doppler shift and the nonlinea-rity.</p> <br/>Acta Physica Sinica. 1991 40(12): 1948-1954. Published 1991-06-05 Author(s): HE KAI-FEN, HU GANG <br/><p>The nonlinear drift-wave equation driven by a sinusoidal wave is discussed in a coordinate system moving in the driving phase speed. It is shown that the hysteretic jump of the wave energy and its transition to periodic motions from the steady state can be described integrately by the perturbation method proposed in this paper. The saddle-node and Hopf bifurcations of certain resonance mode are responsible for them respectively. The frequency of the periodic oscillatory wave energy is relevant to the eigen-frequency of the system, which is different from the one in the laboratory frame due to the Doppler shift and the nonlinea-rity.</p> <br/>Acta Physica Sinica. 1991 40(12): 1948-1954. Published 1991-06-05 A PERTURBATION METHOD FOR THE NONLINEAR DRIFT WAVES DRIVEN BY A SINUSOIDAL WAVE HE KAI-FEN, HU GANG 1991-06-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1991 40(12): 1948-1954. article doi:10.7498/aps.40.1948 10.7498/aps.40.1948 Acta Physica Sinica 40 12 1991-06-05 //m.getgobooth.com/en/article/doi/10.7498/aps.40.1948 1948-1954 //m.getgobooth.com/en/article/doi/10.7498/aps.40.1955 Author(s): TENG FENG-EN, HAN WEI, LIU YAN-LING, WANG YU-MING <br/><p>Analysis of X-ray scattering and diffraction profile for the uniaxial tensile specimens of polyethylene films at different deformation stages have been performed at room temperature. The results show that within elastic region before yielding and post-yield region, the micros-train (distortion) increases notably and the micrograin size does not change much, but within constant stress region of plastic flow, micrograin size decreases rapidly and microstrain changes only a little.</p> <br/>Acta Physica Sinica. 1991 40(12): 1955-1959. Published 1991-06-05 Author(s): TENG FENG-EN, HAN WEI, LIU YAN-LING, WANG YU-MING <br/><p>Analysis of X-ray scattering and diffraction profile for the uniaxial tensile specimens of polyethylene films at different deformation stages have been performed at room temperature. The results show that within elastic region before yielding and post-yield region, the micros-train (distortion) increases notably and the micrograin size does not change much, but within constant stress region of plastic flow, micrograin size decreases rapidly and microstrain changes only a little.</p> <br/>Acta Physica Sinica. 1991 40(12): 1955-1959. Published 1991-06-05 X-RAY PROFILE ANALYSIS ON DEFORMED SEMICRYSTAL LINE POLYETHYLENE FILMS TENG FENG-EN, HAN WEI, LIU YAN-LING, WANG YU-MING 1991-06-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1991 40(12): 1955-1959. article doi:10.7498/aps.40.1955 10.7498/aps.40.1955 Acta Physica Sinica 40 12 1991-06-05 //m.getgobooth.com/en/article/doi/10.7498/aps.40.1955 1955-1959 //m.getgobooth.com/en/article/doi/10.7498/aps.40.1960 Author(s): HUANG YI-SEN, ZHAO QING-LAN <br/><p>Large perfect crystals have been grown by using (001) seed plates from aqueous solution. It is shown that the great difference in the growth rates along positive and negative a-axis directions and the defect formation are closely related to the orientation of the key groups of carboxyl radicals(I) and the open structure (mainly the structural channels A and B), respectively. A proposal for improving the quality of crystals by changing the orientation of the polar axis a is given.</p> <br/>Acta Physica Sinica. 1991 40(12): 1960-1965. Published 1991-06-05 Author(s): HUANG YI-SEN, ZHAO QING-LAN <br/><p>Large perfect crystals have been grown by using (001) seed plates from aqueous solution. It is shown that the great difference in the growth rates along positive and negative a-axis directions and the defect formation are closely related to the orientation of the key groups of carboxyl radicals(I) and the open structure (mainly the structural channels A and B), respectively. A proposal for improving the quality of crystals by changing the orientation of the polar axis a is given.</p> <br/>Acta Physica Sinica. 1991 40(12): 1960-1965. Published 1991-06-05 EFFECTS OF STRUCTURE IN RUBIDIUM ACID PHTHALATE (RAP) ON ITS SINGLE CRYSTAL GROWTH HABIT AND DEFECT FORMATION HUANG YI-SEN, ZHAO QING-LAN 1991-06-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1991 40(12): 1960-1965. article doi:10.7498/aps.40.1960 10.7498/aps.40.1960 Acta Physica Sinica 40 12 1991-06-05 //m.getgobooth.com/en/article/doi/10.7498/aps.40.1960 1960-1965 //m.getgobooth.com/en/article/doi/10.7498/aps.40.1966 Author(s): WAGN JI-FANG, WANG RU-JU, M. H. MANGHNANI, XIONG DA-HE <br/><p>Using ultrasonic phase comparison method, the elastic properties and pressure derivatives of paramagnetic and antiferromagnetic phase of cobalt oxide are measured. The characteristic of interatomic forces in these two phases, the nature of bulk modulus and compressibility at Néel temperature, and the order of phase transition of cobalt oxide are discussed based on the experimental results.</p> <br/>Acta Physica Sinica. 1991 40(12): 1966-1972. Published 1991-06-05 Author(s): WAGN JI-FANG, WANG RU-JU, M. H. MANGHNANI, XIONG DA-HE <br/><p>Using ultrasonic phase comparison method, the elastic properties and pressure derivatives of paramagnetic and antiferromagnetic phase of cobalt oxide are measured. The characteristic of interatomic forces in these two phases, the nature of bulk modulus and compressibility at Néel temperature, and the order of phase transition of cobalt oxide are discussed based on the experimental results.</p> <br/>Acta Physica Sinica. 1991 40(12): 1966-1972. Published 1991-06-05 THE ELASTIC PROPERTIES OF COBALT OXIDE IN MAGNETIC PHASE TRANSITION WAGN JI-FANG, WANG RU-JU, M. H. MANGHNANI, XIONG DA-HE 1991-06-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1991 40(12): 1966-1972. article doi:10.7498/aps.40.1966 10.7498/aps.40.1966 Acta Physica Sinica 40 12 1991-06-05 //m.getgobooth.com/en/article/doi/10.7498/aps.40.1966 1966-1972 //m.getgobooth.com/en/article/doi/10.7498/aps.40.1973 Author(s): WANG ZHI-CHAO, TENG MIN-KANG, LIU YIN-CHUN <br/><p>A series of a-Si:H/a-SiNx:H(x=0.5) multilayers are studied by positron annihilation technique (PAT). It is found that a large number of defects are induced in the interface region of a-Si:H/a-SiNx:H multilayers, owing to the structure mismatch of a-Si:H and a-SiNx:H. In the a-Si:H sublayer, there is a strained layer close to the interface, its thickness is about 8?, and a transition layer above the strained layer, its thickness is about 50?. There are a large number of defects in the transition layer, they are called the "interface defects".</p> <br/>Acta Physica Sinica. 1991 40(12): 1973-1979. Published 1991-06-05 Author(s): WANG ZHI-CHAO, TENG MIN-KANG, LIU YIN-CHUN <br/><p>A series of a-Si:H/a-SiNx:H(x=0.5) multilayers are studied by positron annihilation technique (PAT). It is found that a large number of defects are induced in the interface region of a-Si:H/a-SiNx:H multilayers, owing to the structure mismatch of a-Si:H and a-SiNx:H. In the a-Si:H sublayer, there is a strained layer close to the interface, its thickness is about 8?, and a transition layer above the strained layer, its thickness is about 50?. There are a large number of defects in the transition layer, they are called the "interface defects".</p> <br/>Acta Physica Sinica. 1991 40(12): 1973-1979. Published 1991-06-05 ATUDY OF INTERFACE PROPERTIES OF a-Si:H/a-SiNx:H MULTILAYERS BY PAT WANG ZHI-CHAO, TENG MIN-KANG, LIU YIN-CHUN 1991-06-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1991 40(12): 1973-1979. article doi:10.7498/aps.40.1973 10.7498/aps.40.1973 Acta Physica Sinica 40 12 1991-06-05 //m.getgobooth.com/en/article/doi/10.7498/aps.40.1973 1973-1979 //m.getgobooth.com/en/article/doi/10.7498/aps.40.1980 Author(s): PENG JING-CUI <br/><p>Photo-induced absorption in poly (bis (p-toluene sulphonate) ester of 2,4-hexadiyne-1, 6-diol) (PDA-TS) single crystal is studied theoretically. A mechanism of photo-induced absor-ption is proposed as exciton excitation. The binding energies for single and triple excitons are calculated and the photo-induced absorption peak at 1.35eV is considered as resulting from the transition 3Ag→3Bu. This agrees with experimental data.</p> <br/>Acta Physica Sinica. 1991 40(12): 1980-1985. Published 1991-06-05 Author(s): PENG JING-CUI <br/><p>Photo-induced absorption in poly (bis (p-toluene sulphonate) ester of 2,4-hexadiyne-1, 6-diol) (PDA-TS) single crystal is studied theoretically. A mechanism of photo-induced absor-ption is proposed as exciton excitation. The binding energies for single and triple excitons are calculated and the photo-induced absorption peak at 1.35eV is considered as resulting from the transition 3Ag→3Bu. This agrees with experimental data.</p> <br/>Acta Physica Sinica. 1991 40(12): 1980-1985. Published 1991-06-05 PHOTO-INDUCED ABSORPTION IN POLYDIACETYLENE SINGLE CRYSTAL PENG JING-CUI 1991-06-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1991 40(12): 1980-1985. article doi:10.7498/aps.40.1980 10.7498/aps.40.1980 Acta Physica Sinica 40 12 1991-06-05 //m.getgobooth.com/en/article/doi/10.7498/aps.40.1980 1980-1985 //m.getgobooth.com/en/article/doi/10.7498/aps.40.1986 Author(s): XIA ZHONG-FU, WANG YU-DE, DING HAI, YANG GOO-MAO, SHT DONG-BING, SUN XI-MIN <br/><p>In this paper, charge storage stability of constant voltage corona charged Mylar PETP at room and elevated temperature is discussed. Significant difference between influence of dipole peak at low temperature for Mylar PETP and that of real charge peak at lower temperature for nonpolarity fluoropolymers on charge stability is analyzed. The influence of bulk conduetivity of Mylar PETP charged at RT and elevated temperature on mean charge depth and the charge transport model in the bulk during TSI) after charging at RT for Mylar PETP are studied by means of conductivity glow curve measurement and heat pulse technique.</p> <br/>Acta Physica Sinica. 1991 40(12): 1986-1991. Published 1991-06-05 Author(s): XIA ZHONG-FU, WANG YU-DE, DING HAI, YANG GOO-MAO, SHT DONG-BING, SUN XI-MIN <br/><p>In this paper, charge storage stability of constant voltage corona charged Mylar PETP at room and elevated temperature is discussed. Significant difference between influence of dipole peak at low temperature for Mylar PETP and that of real charge peak at lower temperature for nonpolarity fluoropolymers on charge stability is analyzed. The influence of bulk conduetivity of Mylar PETP charged at RT and elevated temperature on mean charge depth and the charge transport model in the bulk during TSI) after charging at RT for Mylar PETP are studied by means of conductivity glow curve measurement and heat pulse technique.</p> <br/>Acta Physica Sinica. 1991 40(12): 1986-1991. Published 1991-06-05 CORONA CHARGING AT ELEVATED TEMPERATURE AND CHARGE TRANSPORT FOR MYLAR PETP FOILS XIA ZHONG-FU, WANG YU-DE, DING HAI, YANG GOO-MAO, SHT DONG-BING, SUN XI-MIN 1991-06-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1991 40(12): 1986-1991. article doi:10.7498/aps.40.1986 10.7498/aps.40.1986 Acta Physica Sinica 40 12 1991-06-05 //m.getgobooth.com/en/article/doi/10.7498/aps.40.1986 1986-1991 //m.getgobooth.com/en/article/doi/10.7498/aps.40.1992 Author(s): MENG GE, SHEN DIAN-HONG, LI NAN, XIE KAN, LIN ZHANG-DA, WANG YU-HE, LI LIN <br/><p>X-ray photoelectron spectroscopy has been used to investigate the interactions between Ti and bismuth-based superconductors. It is shown that Ti adatoms leach oxygen from the under-lyng superconductors, forming Ti-O bond on the surface. In the interface region, Cu-O and Bi-O bonds are destroyed, Cu2+ and Bi3+ are reduced to metallic atoms. The electronic structures of the superconductors are disrupted by the Ti adatoms. By using the standard four-probe method, it is found that after Ti deposition, the transition temperature of the thin film is 10K lower and the zero resistance can not be reached.</p> <br/>Acta Physica Sinica. 1991 40(12): 1992-1998. Published 1991-06-05 Author(s): MENG GE, SHEN DIAN-HONG, LI NAN, XIE KAN, LIN ZHANG-DA, WANG YU-HE, LI LIN <br/><p>X-ray photoelectron spectroscopy has been used to investigate the interactions between Ti and bismuth-based superconductors. It is shown that Ti adatoms leach oxygen from the under-lyng superconductors, forming Ti-O bond on the surface. In the interface region, Cu-O and Bi-O bonds are destroyed, Cu2+ and Bi3+ are reduced to metallic atoms. The electronic structures of the superconductors are disrupted by the Ti adatoms. By using the standard four-probe method, it is found that after Ti deposition, the transition temperature of the thin film is 10K lower and the zero resistance can not be reached.</p> <br/>Acta Physica Sinica. 1991 40(12): 1992-1998. Published 1991-06-05 XPS STUDIES OF Ti/BiSMUTH-BASED SUPERCONDUCTOR INTERFACE REACTIONS MENG GE, SHEN DIAN-HONG, LI NAN, XIE KAN, LIN ZHANG-DA, WANG YU-HE, LI LIN 1991-06-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1991 40(12): 1992-1998. article doi:10.7498/aps.40.1992 10.7498/aps.40.1992 Acta Physica Sinica 40 12 1991-06-05 //m.getgobooth.com/en/article/doi/10.7498/aps.40.1992 1992-1998 //m.getgobooth.com/en/article/doi/10.7498/aps.40.1999 Author(s): WANG QIANG-HUA, WANG WEI, YAO XI-XIAN <br/><p>We have analysed the circularly symmetric sine-Gordon equation with bias and dissipation by means of a simplified perturbation theory. Analytic solutions that describe the dynamical behaviour of a quasisoliton trapped within the annular junction have been obtained. Between the results of our theory and numerical simulation, there exists a good agreement for the first zero field step (ZFS) in the l-V characteristic. A brief discussion of our results is also presented.</p> <br/>Acta Physica Sinica. 1991 40(12): 1999-2005. Published 1991-06-05 Author(s): WANG QIANG-HUA, WANG WEI, YAO XI-XIAN <br/><p>We have analysed the circularly symmetric sine-Gordon equation with bias and dissipation by means of a simplified perturbation theory. Analytic solutions that describe the dynamical behaviour of a quasisoliton trapped within the annular junction have been obtained. Between the results of our theory and numerical simulation, there exists a good agreement for the first zero field step (ZFS) in the l-V characteristic. A brief discussion of our results is also presented.</p> <br/>Acta Physica Sinica. 1991 40(12): 1999-2005. Published 1991-06-05 CIRCULARLY SYMMETRIC SOLITON SOLUTION IN AN ANNULAR JOSEPHSON JUNCTION WANG QIANG-HUA, WANG WEI, YAO XI-XIAN 1991-06-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1991 40(12): 1999-2005. article doi:10.7498/aps.40.1999 10.7498/aps.40.1999 Acta Physica Sinica 40 12 1991-06-05 //m.getgobooth.com/en/article/doi/10.7498/aps.40.1999 1999-2005 //m.getgobooth.com/en/article/doi/10.7498/aps.40.2006 Author(s): HU FENG-XIA, SHEN BAO-GEN, CHEN JIN-CHANG, GUO HUI-QUN <br/><p>Magnetic properties of the amorphous Co70Cr20Zr10 alloys near the Curie temperature are reported. The behavior is found to obey second-order phase transition laws with critical indices: β=0.45 ± 0.02, γ= 1.9 ±0.1, δ = 5.13±0.05, and the ferromagnetic Curie temperature Tc= (186.7±0.2)K. The critical indices satisfy the scaling law relationship γ = β(δ- 1), but their values deviated with the 3D-Heisenberg model. This behavior may arise from the magnetically inhomogeneous behavior of the alloy. Finally, the temperature dependence of the Kouvel-Fisher exponent γ(T) is discussed.</p> <br/>Acta Physica Sinica. 1991 40(12): 2006-2011. Published 1991-06-05 Author(s): HU FENG-XIA, SHEN BAO-GEN, CHEN JIN-CHANG, GUO HUI-QUN <br/><p>Magnetic properties of the amorphous Co70Cr20Zr10 alloys near the Curie temperature are reported. The behavior is found to obey second-order phase transition laws with critical indices: β=0.45 ± 0.02, γ= 1.9 ±0.1, δ = 5.13±0.05, and the ferromagnetic Curie temperature Tc= (186.7±0.2)K. The critical indices satisfy the scaling law relationship γ = β(δ- 1), but their values deviated with the 3D-Heisenberg model. This behavior may arise from the magnetically inhomogeneous behavior of the alloy. Finally, the temperature dependence of the Kouvel-Fisher exponent γ(T) is discussed.</p> <br/>Acta Physica Sinica. 1991 40(12): 2006-2011. Published 1991-06-05 MAGNETIC PROPERTIES OF AMORPHOUS Co70Cr20Zr10 ALLOYS NEAR THE CURIE TEMPERATURE HU FENG-XIA, SHEN BAO-GEN, CHEN JIN-CHANG, GUO HUI-QUN 1991-06-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1991 40(12): 2006-2011. article doi:10.7498/aps.40.2006 10.7498/aps.40.2006 Acta Physica Sinica 40 12 1991-06-05 //m.getgobooth.com/en/article/doi/10.7498/aps.40.2006 2006-2011 //m.getgobooth.com/en/article/doi/10.7498/aps.40.2012 Author(s): HUO SU-GUO, NIE XIANG-FU, HAN BAO-SHAN <br/><p>The erasing process of stripe domains in (111)-oriented garnet bubble films was investigated experimentally in the presence of both an in-plane field Hin and a static bias field Hb. As Hb was kept constant and Hin was raised, the stripe domain erasing field Hs* and the bubble domain erasing field Hk* were measured as functions of the azimuthal angle β of the in-plane field. Taking the cubic magnetocrystalline anisotropy into account, we established a theory of stability of stripe domains subjected to both an inplane field and a static bias filed. The main features of the experimental results can be explained qualitatively by this theory. The angle at which both white and black domains are erased at the same time was obtained as βn=1/3(2nπ±arc cos│3/(21/2)(MsHb)/K1│)(n=0,±1,±2,…) which is in reasonable agreement with the experiments.</p> <br/>Acta Physica Sinica. 1991 40(12): 2012-2017. Published 1991-06-05 Author(s): HUO SU-GUO, NIE XIANG-FU, HAN BAO-SHAN <br/><p>The erasing process of stripe domains in (111)-oriented garnet bubble films was investigated experimentally in the presence of both an in-plane field Hin and a static bias field Hb. As Hb was kept constant and Hin was raised, the stripe domain erasing field Hs* and the bubble domain erasing field Hk* were measured as functions of the azimuthal angle β of the in-plane field. Taking the cubic magnetocrystalline anisotropy into account, we established a theory of stability of stripe domains subjected to both an inplane field and a static bias filed. The main features of the experimental results can be explained qualitatively by this theory. The angle at which both white and black domains are erased at the same time was obtained as βn=1/3(2nπ±arc cos│3/(21/2)(MsHb)/K1│)(n=0,±1,±2,…) which is in reasonable agreement with the experiments.</p> <br/>Acta Physica Sinica. 1991 40(12): 2012-2017. Published 1991-06-05 STABILITY OF STRIPE DOMAINS AND BUBBLE DOMAINS UNDER BOTH IN-PLANE FIELD AND STATIC BIAS FIELD HUO SU-GUO, NIE XIANG-FU, HAN BAO-SHAN 1991-06-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1991 40(12): 2012-2017. article doi:10.7498/aps.40.2012 10.7498/aps.40.2012 Acta Physica Sinica 40 12 1991-06-05 //m.getgobooth.com/en/article/doi/10.7498/aps.40.2012 2012-2017 //m.getgobooth.com/en/article/doi/10.7498/aps.40.2018 Author(s): PAN JI-SHENG, WANG ZHEN-XIA, TAO ZHEN-LAN, ZHANG JI-PING, ZHANG HUI-MING, ZHAO LIE <br/><p>The angular distributions and yields of silver atoms sputtered from a Ag sample have been measured using collector technique and RBS analysis. The Ag target was sputtered at normal incidence with 27keV Ar+ ions. The irradiated surface was examined by scanning electron microscopy. It was found that all the angular distributions were over-cosine with different irradiation dose, but the sputtering yields were dose-dependent. The experimental result can be explained with surface topography and sputtering yield as a fuction of the angle of incidence. It is found that surface topography seems to be an important factor to influence sputtering yield. a new concept, namely "apparent yield", is presented.</p> <br/>Acta Physica Sinica. 1991 40(12): 2018-2023. Published 1991-06-05 Author(s): PAN JI-SHENG, WANG ZHEN-XIA, TAO ZHEN-LAN, ZHANG JI-PING, ZHANG HUI-MING, ZHAO LIE <br/><p>The angular distributions and yields of silver atoms sputtered from a Ag sample have been measured using collector technique and RBS analysis. The Ag target was sputtered at normal incidence with 27keV Ar+ ions. The irradiated surface was examined by scanning electron microscopy. It was found that all the angular distributions were over-cosine with different irradiation dose, but the sputtering yields were dose-dependent. The experimental result can be explained with surface topography and sputtering yield as a fuction of the angle of incidence. It is found that surface topography seems to be an important factor to influence sputtering yield. a new concept, namely "apparent yield", is presented.</p> <br/>Acta Physica Sinica. 1991 40(12): 2018-2023. Published 1991-06-05 INFLUENCE OF SURFACE TOPOGRAPHY ON THE SPUTTE RING YIELDS OF SILVER PAN JI-SHENG, WANG ZHEN-XIA, TAO ZHEN-LAN, ZHANG JI-PING, ZHANG HUI-MING, ZHAO LIE 1991-06-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1991 40(12): 2018-2023. article doi:10.7498/aps.40.2018 10.7498/aps.40.2018 Acta Physica Sinica 40 12 1991-06-05 //m.getgobooth.com/en/article/doi/10.7498/aps.40.2018 2018-2023 //m.getgobooth.com/en/article/doi/10.7498/aps.40.2024 Author(s): FU GUANG-SHENG, WANG JIN-GUO, LI XIAO-WEI, HAN LI, Lü FU-RUN <br/><p>The reaction kinetic processes of species produced in a pulsed TEA CO2 laser induced si-lane plasma were studied with the time-resolved OES. It is showed that the time position of main peaks for different fragments' charactristic lines are appreciably different. The reaction kinetic processes are discussed based on the results. By comparing the time evolution of the lines of the fragments and considering the other results of OES, We infer that the final reaction channel of the laser-induced silane plasma is a Si producing channel.</p> <br/>Acta Physica Sinica. 1991 40(12): 2024-2031. Published 1991-06-05 Author(s): FU GUANG-SHENG, WANG JIN-GUO, LI XIAO-WEI, HAN LI, Lü FU-RUN <br/><p>The reaction kinetic processes of species produced in a pulsed TEA CO2 laser induced si-lane plasma were studied with the time-resolved OES. It is showed that the time position of main peaks for different fragments' charactristic lines are appreciably different. The reaction kinetic processes are discussed based on the results. By comparing the time evolution of the lines of the fragments and considering the other results of OES, We infer that the final reaction channel of the laser-induced silane plasma is a Si producing channel.</p> <br/>Acta Physica Sinica. 1991 40(12): 2024-2031. Published 1991-06-05 A STUDY ON REACTION KINETICS OF THE RADICALS PRODUCED IN THE LASER-INDUCED SILANE PLASMA FU GUANG-SHENG, WANG JIN-GUO, LI XIAO-WEI, HAN LI, Lü FU-RUN 1991-06-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1991 40(12): 2024-2031. article doi:10.7498/aps.40.2024 10.7498/aps.40.2024 Acta Physica Sinica 40 12 1991-06-05 //m.getgobooth.com/en/article/doi/10.7498/aps.40.2024 2024-2031 //m.getgobooth.com/en/article/doi/10.7498/aps.40.2032 Author(s): SHEN WEN-DA, ZHU SHI-TONG <br/><p>The null geodesies and the stability of the nonsingular black hole are further investigated. The results show that null geodesies in the nonsingular Schwarzschild black hole are also complete as the timelike geodesies and a stable nonsingular black hole can exist.</p> <br/>Acta Physica Sinica. 1991 40(12): 2032-2036. Published 1991-06-05 Author(s): SHEN WEN-DA, ZHU SHI-TONG <br/><p>The null geodesies and the stability of the nonsingular black hole are further investigated. The results show that null geodesies in the nonsingular Schwarzschild black hole are also complete as the timelike geodesies and a stable nonsingular black hole can exist.</p> <br/>Acta Physica Sinica. 1991 40(12): 2032-2036. Published 1991-06-05 NULL GEODESICS AND THE STABILITY OF THE NONSING-ULAR SCHWARZSCHILD BLACK HOLE SHEN WEN-DA, ZHU SHI-TONG 1991-06-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1991 40(12): 2032-2036. article doi:10.7498/aps.40.2032 10.7498/aps.40.2032 Acta Physica Sinica 40 12 1991-06-05 //m.getgobooth.com/en/article/doi/10.7498/aps.40.2032 2032-2036