Anomalous anisotropy in the RCo4B compounds

The magnetic anisotropy of YCo4B determined by the singular point detection (SPD) method and magnetization measurements over a large range of temperature is reported. The anisotropy energy of CeCo4B estimated by magnetization measurements is one order of magnitude larger than those of compounds with...

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Bibliographic Details
Published in:Journal of applied physics 1993-05, Vol.73 (10), p.5917-5919
Main Authors: HONG, N. M, THUY, N. P, HIEN, T. D, HILSCHER, G, ZHAO, T. S, GRÖSSINGER, R
Format: Article
Language:English
Subjects:
Applied sciences
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Magnetic anisotropy
Magnetic properties and materials
Magnetically ordered materials: other intrinsic properties
Metals. Metallurgy
Physics
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Summary:The magnetic anisotropy of YCo4B determined by the singular point detection (SPD) method and magnetization measurements over a large range of temperature is reported. The anisotropy energy of CeCo4B estimated by magnetization measurements is one order of magnitude larger than those of compounds with Y, La, or Gd. The temperature dependence of anisotropy energy in YCo4B is discussed in the light of the temperature variation of the c/a ratio and the giant anisotropy of CeCo4B is presumed to be due to the itinerant character of the 4f states in the compound.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.353520