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CEF effects of Ho1-xDyxNi2B2C

Authors
Lee, W. C.
Issue Date
Nov-2007
Publisher
ELSEVIER SCIENCE BV
Keywords
crystalline electric field; superconductivity; magnetism
Citation
PHYSICA B-CONDENSED MATTER, v.399, no.2, pp.116 - 120
Journal Title
PHYSICA B-CONDENSED MATTER
Volume
399
Number
2
Start Page
116
End Page
120
URI
https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/14613
DOI
10.1016/j.physb.2007.05.032
ISSN
0921-4526
Abstract
We have studied the crystalline electric field (CEF) effect of the Ho1-xDyxNi2B2C system using the anisotropy and the temperature dependence of magnetic susceptibilities with magnetic field H perpendicular or parallel to c-axis, and estimated the magnetic exchange interaction constant J(ex)(perpendicular to) of rare-earth ions perpendicular to the c-axis. The crystalline electric field parameter B-2(0) the first Steven parameter and the most dominant term in this system, are determined from the J(ex)(perpendicular to) and anisotropic Weiss temperatures and then show a broad minimum around x approximate to 0.3, where superconducting transition temperature, T-C, and Neel temperature, T-N, are similar. (c) 2007 Elsevier B.V. All rights reserved.
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