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Magnetic Anisotropy in Rare-Earth - Transition Metal Intermetallic Compounds

Published online by Cambridge University Press:  21 February 2011

Nguyen Hoang Luong
Affiliation:
Cryogenic Laboratory, Faculty of Physics, National University of Hanoi 334 Nguyen Trai, Thanh Xuan, Hanoi, Vietnam
Nguyen Phu Thuy
Affiliation:
Cryogenic Laboratory, Faculty of Physics, National University of Hanoi 334 Nguyen Trai, Thanh Xuan, Hanoi, Vietnam International Training Institute for Materials Science, 1 Dai Co Viet St., Hanoi, Vietnam
Pham Hong Quang
Affiliation:
Cryogenic Laboratory, Faculty of Physics, National University of Hanoi 334 Nguyen Trai, Thanh Xuan, Hanoi, Vietnam
Pham Duc Thang
Affiliation:
International Training Institute for Materials Science, 1 Dai Co Viet St., Hanoi, Vietnam
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Abstract

In this work the rare-earth anisotropy in the rare-earth - transition metal intermetallic compounds is investigated by studying the temperature-induced spin reorientation phenomena on aligned powder samples and by analyzing the temperature dependence of the magnetization measured along different principal axes of single crystals. From such investigations the crystalline-electric-field parameters of the rare-earth ions in these compounds have been derived. The results on different hard magnetic materials of the compositions R2Fe14B, RFe11 and their substituted compounds as well as R2Co17 are summarized.

Type
Research Article
Copyright
Copyright © Materials Research Society 1999

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