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Enhancement in coercivity of pulse-laser-deposition-made Nd–Fe–B thick film magnets by high-speed crystallization


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Title: Enhancement in coercivity of pulse-laser-deposition-made Nd–Fe–B thick film magnets by high-speed crystallization
Authors: Nakano, Masaki / Takeda, H. / Sato, S. / Yanai, Takeshi / Yamashita, F. / Fukunaga, Hirotoshi
Issue Date: May-2007
Publisher: American Institute of Physics
Citation: Journal of Applied Physics, 101(9), 09K525; 2007
Abstract: In order to improve the magnetic properties of Nd–Fe–B thick film magnets prepared by pulsed laser deposition, high-speed crystallization method of a pulse annealing was adopted as a postannealing process. In the case of using a Nd2.4Fe14B target, the pulse annealing under an optimum condition for the period of 1.8 s enabled us to enhance the coercivity by approximately 300 kA/m compared with the average value of samples annealed by a conventional method. The obtained sample whose composition was almost as same as the target's one had the large coercivity of approximately 1300 kA/m, and values of remanence and (BH)max were 0.62 T and 64 kJ/m3, respectively. It was also clarified that use of a Nd2.2Fe14B target together with the pulse annealing method is effective to increase remanence and (BH)max although the coercivity value decreased. ©2007 American Institute of Physics
URI: http://hdl.handle.net/10069/21939
ISSN: 00218979
DOI: 10.1063/1.2712818
Relational Links: http://link.aip.org/link/?JAPIAU/101/09K525/1
Rights: Copyright (2007) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in J. Appl. Phys. 101, 09K525 (2007) and may be found at http://link.aip.org/link/?JAPIAU/101/09K525/1
Type: Journal Article
Text Version: publisher
Appears in Collections:Articles in academic journal

Citable URI : http://hdl.handle.net/10069/21939

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