THREE STATE MODEL OF VACANCIES AND SMALL VACANCY CLUSTERS AND TEMPERATURE DEPENDENCE OF SPECIFIC TRAPPING RATE

CHEN Ji-Qiang; LONG Qi-Wei; WANG Ke-Lin

Chinese Physics C> 1990, Vol. 14> Issue(2) : 97-101

THREE STATE MODEL OF VACANCIES AND SMALL VACANCY CLUSTERS AND TEMPERATURE DEPENDENCE OF SPECIFIC TRAPPING RATE

Centre for Fundamental Physics,University of Science and Technology of China,Hefei2 Institute of Metal Research,Academia Sinica,Shnica,Shenyang3 International Centre for Materials Physics,Academia Sinica,Shenyang

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Abstract：
The trapping process of positrons into vacancies and small vacancy clusters is described by a Three State Model.The experimental results of negative temperature dependence of specific trapping rate are explained theoretically.

References

[1]

R. M. Nieminen and J. Laakkonen,Appl.Phys., 20(1979), 181.[2] M. J. Stott and M. Manninen, J. Phys. F:Met. Phys., 17(1987), 2235[3] Eiji Hashimoto, Takesht Shirashi and Takao Kino, J. Phys. Soc. Jpn., 54 (1985), 3622.[4] S. Linderoth, M. D. Bentzon, H. E. Hansen and K. Petersen, Positron Annihilation, ed. P. C. Jain, R. M.Singru and K. P. Gopinathan, (World Scientific Publ. Co. Singapore, 1985), 494.[5] M. D. Bentzon, S. Linderoth and K. Petersen, (as above), 485.[6] 湛季强、龙期威、汪克林，物理学报，38(1989)，1360,[7] M. Manninen and R. M. Nieminen, Appl. Phys.,A26(1981), 93[8] R. M. Nieminen，M, Doyama, K. P. Gopinathan, C. W. Lung(龙期威)，K. Petersen, H. E, Schaefer, (as reference [4]),437.

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CHEN Ji-Qiang, LONG Qi-Wei and WANG Ke-Lin. THREE STATE MODEL OF VACANCIES AND SMALL VACANCY CLUSTERS AND TEMPERATURE DEPENDENCE OF SPECIFIC TRAPPING RATE[J]. Chinese Physics C, 1990, 14(2): 97-101.

CHEN Ji-Qiang, LONG Qi-Wei and WANG Ke-Lin. THREE STATE MODEL OF VACANCIES AND SMALL VACANCY CLUSTERS AND TEMPERATURE DEPENDENCE OF SPECIFIC TRAPPING RATE[J]. Chinese Physics C, 1990, 14(2): 97-101. shu

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Received: 1900-01-01
Revised: 1900-01-01

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