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Type: Artigo de periódico
Title: Competing Anisotropies On 3 D Sub-lattice Of Yni4-xco Xb Compounds
Author: Caraballo Vivas R.J.
Rocco D.L.
Costa Soares T.
Caldeira L.
Coelho A.A.
Reis M.S.
Abstract: The magnetic anisotropy of 3d sub-lattices has an important rule on the overall magnetic properties of hard magnets. Intermetallics alloys with boron (R-Co/Ni-B, for instance) belong to those hard magnets family and are useful objects to help to understand the magnetic behavior of 3d sub-lattice, specially when the rare earth ions R do not have magnetic nature, like YCo4B ferromagnetic material. Interestingly, YNi4B is a paramagnetic material and Ni ions do not contribute to the magnetic anisotropy. We focused therefore our attention to YNi4-xCoxB series, with x = 0, 1, 2, 3, and 4. The magnetic anisotropy of these compounds is deeper described using statistical and preferential models of Co occupation among the possible Wyckoff positions into the CeCo4B type hexagonal structure. We found that the preferential model is the most suitable to explain the magnetization experimental data. © 2014 AIP Publishing LLC.
Editor: American Institute of Physics Inc.
Citation: Journal Of Applied Physics. American Institute Of Physics Inc., v. 116, n. 6, p. - , 2014.
Rights: aberto
Identifier DOI: 10.1063/1.4892677
Date Issue: 2014
Appears in Collections:Unicamp - Artigos e Outros Documentos

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