Study on Lithium Fluoride Cluster-Based Nanophase Films by Low Energy Positron Beam

Ju Xin; Peng Liangqiang; Deng Bin; Weng Huimin; Han Rongdian

Chinese Physics C> 1997, Vol. 21> Issue(9) : 844-850

Study on Lithium Fluoride Cluster-Based Nanophase Films by Low Energy Positron Beam

Institute of High Energy Physics, The Chinese Academy of Sciences,Beijing 1000392 Department of Modern Physics, University of Science and Technology of china, Hefei 230026

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Abstract：
Lithium fluoride(LiF) cluster-based films deposited on monocrystalline silicon with vaporzation/ condensation method have been studied by low energy positron beam and the S parameters and the effective lengths of diffusion (L_eff) in position annihilation were measured. The influences on the microstructure of LiF cluster-based films by the conditions of preparation, such as the temperature of tho substrate, the rate of tho vaporization and the partial pressure of Ar are discussed.

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Ju Xin, Peng Liangqiang, Deng Bin, Weng Huimin and Han Rongdian. Study on Lithium Fluoride Cluster-Based Nanophase Films by Low Energy Positron Beam[J]. Chinese Physics C, 1997, 21(9): 844-850.

Ju Xin, Peng Liangqiang, Deng Bin, Weng Huimin and Han Rongdian. Study on Lithium Fluoride Cluster-Based Nanophase Films by Low Energy Positron Beam[J]. Chinese Physics C, 1997, 21(9): 844-850. shu

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

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