Longitudinal Magnetoresistance Effect at Low Temperature in Silver Telluride Thin Films
LIANG Bing-qing, WANG Yin-jun
State Key Laboratory for Magnetism, Institute of Physics and Center for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100080
Longitudinal Magnetoresistance Effect at Low Temperature in Silver Telluride Thin Films
LIANG Bing-qing;WANG Yin-jun
State Key Laboratory for Magnetism, Institute of Physics and Center for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100080
关键词 ：
75.70.Pa ,
73.50.Jt
Abstract ： Large longitudinal magnetoresistance (LMR) was observed in nonmagnetic silver telluride films. The magnitude of the LMR is not simply dependent on T and H, for example, multi-peaks of ρ at low field and low temperature appear in the Ag-Te film. Because both of -Δρ/ρ and a transition from -Δρ/ρ to +Δρ/ρ exist in Ag-Te films, the magnetoresistance (MR) behavior of the Ag-Te film does not like the bulk Ag-Te, but likes the doped semiconductors. About -27% of LMR was observed at low field in the Ag-Te films, while it could be negligible in the doped semiconductors. The MR behavior in Ag-Te films is discussed by means of a formation of impurity bands in the films.
Key words ：
75.70.Pa
73.50.Jt
出版日期: 1999-10-01
引用本文:
LIANG Bing-qing;WANG Yin-jun. Longitudinal Magnetoresistance Effect at Low Temperature in Silver Telluride Thin Films[J]. 中国物理快报, 1999, 16(10): 756-757.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y1999/V16/I10/756
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