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Field induced magnetic form factor of &ggr;‐Ce

 

作者: C. Stassis,   C.‐K. Loong,   G. R. Kline,   O. D. McMasters,   K. A. Gschneidner,  

 

期刊: Journal of Applied Physics  (AIP Available online 1978)
卷期: Volume 49, issue 3  

页码: 2113-2114

 

ISSN:0021-8979

 

年代: 1978

 

DOI:10.1063/1.324755

 

出版商: AIP

 

数据来源: AIP

 

摘要:

In the present experiment polarized neutron scattering techniques have been used to assess the spatial distribution and temperature dependence of the magnetization induced in asinglecrystal of &ggr;‐Ce by a magnetic field of 60 kG. The measured form factor is found to be in agreement with the free ion 4fmagnetic form factor of Ce3+. Comparison of the localized susceptibility, obtained in the present experiment, with bulk susceptibility measurements indicate that there is a rather large positive conduction electron contribution to the static susceptibility of &ggr;‐Ce. The localized moment is found to follow, between 300 and 115 K, a Curie‐Weiss law with a paramagnetic Curie temperature of (−44±2.5) K. The measurements indicate that at approximately 100 K some ions of the &ggr;‐Ce crystal undergo a change in their electronic configuration.

 

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