Magnetic Study on Kondo Semiconductor CeNiSn
HOU Yu-min1,2 , JIN Duo1 , YANG Fu-ming2 , RAN Qi-ze1 , WANG Yu-peng1 , CHEN Zhao-jia1 , HE Yu-sheng1
1 Cryogenic Laboratory, Chinese Academy of Sciences, Beijing 100080
2 Institute of Physics, Chinese Academy of Sciences, Beijing 100080
Magnetic Study on Kondo Semiconductor CeNiSn
HOU Yu-min1,2 ;JIN Duo1 ;YANG Fu-ming2 ;RAN Qi-ze1 ;WANG Yu-peng1 ;CHEN Zhao-jia1 ;HE Yu-sheng1
1 Cryogenic Laboratory, Chinese Academy of Sciences, Beijing 100080
2 Institute of Physics, Chinese Academy of Sciences, Beijing 100080
关键词 ：
75.20.Hr ,
75.30.Mb ,
75.40.Cx
Abstract ： There are two standpoints to explain the formation of the peak of magnetic susceptibility versus temperature in CeNiSn. One is the presence of the pseudo-gapped density of states (DOS) while the other is the development of an antiferromagnetic correlation. To check which one is more reasonable, an experiment is designed on measuring magnetic susceptibility under different magnetic fields. It is found that magnetic field can shift the peak of the magnetic susceptibility to lower temperatures while by calculation the presence of the pseudo-gapped DOS cannot shift the peak, which gives another evidence of the existence of antiferromagnetic correlations and is discussed in the light of some recent theoretical model.
Key words ：
75.20.Hr
75.30.Mb
75.40.Cx
出版日期: 1998-02-01
:
75.20.Hr
(Local moment in compounds and alloys; Kondo effect, valence fluctuations, heavy fermions)
75.30.Mb
(Valence fluctuation, Kondo lattice, and heavy-fermion phenomena)
75.40.Cx
(Static properties (order parameter, static susceptibility, heat capacities, critical exponents, etc.))
引用本文:
HOU Yu-min;JIN Duo;YANG Fu-ming;RAN Qi-ze;WANG Yu-peng;CHEN Zhao-jia;HE Yu-sheng. Magnetic Study on Kondo Semiconductor CeNiSn[J]. 中国物理快报, 1998, 15(2): 131-133.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y1998/V15/I2/131
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1998, Vol. 15 
