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Vol. 44, No. 12 (1995)

1995-06-20
CLASSICAL AREA OF PHENOMENOLOGY
HU XIANG-MING
1995, 44 (12): 1921-1928. doi: 10.7498/aps.44.1921
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Mode coupling of a two-photon two-mode laser operating near above threshold is discussed with Langevin quantum theory. Characteristics of the coupling shows not only the mutual enhancement of the two modes, as well as the enhancement of mode 2 with suppre
GENERAL
SUN YI-CAI, SHI JUN-SHENG
1995, 44 (12): 1869-1878. doi: 10.7498/aps.44.1869
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NUCLEAR PHYSICS
ATOMIC AND MOLECULAR PHYSICS
Rao Jian-Guo, Xi Jin-Hua, Li Bai-Wen
1995, 44 (12): 1886-1893. doi: 10.7498/aps.44.1886
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FENG LIANG, HUO SHU-KUN
1995, 44 (12): 1894-1903. doi: 10.7498/aps.44.1894
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HE LIN-SHENG, JIANG HAI-HE
1995, 44 (12): 1904-1913. doi: 10.7498/aps.44.1904
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A STUDY OF SURFACE-ENHANCED ENERGY TRANSFER EFFECT BETWEEN MOLECULES
PAN DUO-HAI, MA YONG-HONG
1995, 44 (12): 1914-1920. doi: 10.7498/aps.44.1914
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The energy transfer effect between molecules adsorbed on rounghened silver surface has been investigated both theoretically and experimentally. The theoretical results indicate that when the emission frequency of the donor and the adsorption frequency of
PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES
THEORETICAL MODEL TO NON-LOCATION ABSORPTION FOR OBLIQUELY INCIDENT HIGH POWER LASER COUPLING WITH HIGH Z TARGETS
ZHANG JUN, PEI WEN-BING, GU PEI-JUN, CHANG TIE-QIANG
1995, 44 (12): 1936-1945. doi: 10.7498/aps.44.1936
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With the assumption of 1-D density distribution and geometric light path,the absorption coupling Nd-glass laser with Au targets have been computed consistently; the variation laws of laser absorption efficiency with incident angle, intensity, and waveleng
CONDENSED MATTER: STRUCTURAL, MECHANICAL, AND THERMAL PROPERTIES
A STRUCTURAL STUDY ON (Bi_(2-x)Pb_x)Sr_2CuO_y(0.1≤x≤0.6) SERIES CRYSTALS BY X-RAY PRECESSION METHOD
PAN GUO-QIANG, S.МegtertG.Collin
1995, 44 (12): 1946-1957. doi: 10.7498/aps.44.1946
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In this paper, a structural study on series crystals of (Bi2-xPbx)Sr2CuOy (0.1≤ x ≤ 0.6) by X-ray precession method is reported. We found that in the lead substitution regions 0.4≤x≤0.5 this system is formed by two interpenetrating subsystems. One subsyst
FORMATION AND EVOLUTION OF FCC PHASE IN TITANIUM NANOPARTICLES
YANG MING-CHUAN, XU JIAN, SUN XIU-KUI, WEI WEN-DUO, HU ZHUANG-LING
1995, 44 (12): 1958-1963. doi: 10.7498/aps.44.1958
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Titanium nanoparticles were synthesized by gas condensation method, where the particles with different average diameters were obtained by varying the gas pressure in the atmosphere of argon and helium, respectively. The structure, morphology and compositi
DIFFUSION COEFFICIENT MEASURED BY IMPEDANCE SPECTROSCOPY
WANG GANG, YANG GUO-QUAN, GUAN DI-HUA, JIANG LI, PA SI-KUA-LI-MAO-LUO, PI SI TUO YAN-ZHAN FO LAN KE, JIE SI-SHENG
1995, 44 (12): 1964-1968. doi: 10.7498/aps.44.1964
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To have a quantitative estimate of the speed of Li+ diffusion in Nal+xV3O8 (L-T.), for example, impedance tests were run for different intercalation levels. The values of 10-8-10-9 cm2·s-1 have been obtained and matched the fast kinetics observed.Possible
CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES
STUDIES ON THE STM SPACTRUM INTERPRETATION OF N ADSORBATE'S SYSTEM WITH THE METHOD OF EXCITON DYNAMICS
HUANG XIN-TANG, QI SHOU-REN, LI YONG-PING, ZHANG HAI-FENG, WANG CHANG-SUI
1995, 44 (12): 1969-1976. doi: 10.7498/aps.44.1969
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rmula relating the tunnelling current with the position of the tip about the N adsorbate's STM system under the condition that the purely coherent memory functions being independent of time, and discussed the range of application. As an example of applica
HOT ELECTRON THERMOELECTRIC POWER UNDER A MICROWAVE FIELD
LIU MEI, LIU WEI, CAO SHU, XING DIN-YU
1995, 44 (12): 1977-1983. doi: 10.7498/aps.44.1977
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Gradient of temperature and chemical potential can be produced in a semiconductor sample by applying a localized microwave field. The nonequilibrium statistical opertor method is generalized and applied to study the transport coefficients of a hot-electro
ELECTRONIC STRUCTURES AND OPTICAL PROPERTIES OF SUPERLATTICES (Si_2)_4/(GaAs)_4 GROWN ON Si(00l)
XU ZHI-ZHONG
1995, 44 (12): 1984-1993. doi: 10.7498/aps.44.1984
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With using the atomic geometrical structures and band-offset extracted from the results of computations by Peressi et al with first principle pseudopotential method, the electronic band structures and the optical oscillator strengths for the superlatti-ce
CRITICAL BEHAVIORS IN A WEDGESHAPED Pt-FILM PERCOLATION SYSTEM
YE GAO-XIANG, GE HONG-LIANHG, XU YU-QING, JIAO ZHEN-KUAN, ZHANG QI-RUI
1995, 44 (12): 1994-1999. doi: 10.7498/aps.44.1994
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This paper reports the preparation of a wedgeshaped Pt-film percolation system and its critical behaviors. A strange R-I characteristic and power-law behaviors are observed. The general scaling law still holds in this anisotropic percolation system. We be
MECHANISM OF THE COERCIVITY FOR THE GRANULAR SOLID
WANG JIAN-PING, LUO HE-LIE
1995, 44 (12): 2000-2006. doi: 10.7498/aps.44.2000
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The Fe-SiO2 and Fe20Ni80-SiO2 granular solid has been prepared using a sol-gel method. The structure and the phase constitution of them is measured by X-ray diffraction, Mossbauer spectra and the morphology of them is observed using transmission electron
A MODEL OF MULTIPLE TUNNEL LEVELS OF PHOTOSTI- MULATED LUMINESCENCE IN BaFCl:Eu~(2+)PHOSPHORS
WANG YONG-SHENG, ZHANG GUANG-YAN, XIONG GUANG-NAN, XU SHU-PEI
1995, 44 (12): 2007-2012. doi: 10.7498/aps.44.2007
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Based on the tunneling-pair recombination concept and configuration coordinates principle, and after comparing the model of conduction band with that of the single tunnel level in BaFCI:Eu2+, a model of multiple tunnel levels has been proposed. Utilizing