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Magnetic properties of pulsed laser deposition-fabricated isotropic Pr-Fe-B thick-films magnets for magnetic micro-machines


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Title: Magnetic properties of pulsed laser deposition-fabricated isotropic Pr-Fe-B thick-films magnets for magnetic micro-machines
Authors: Nakano, Masaki / Oshima, Shuichi / Yanai, Takeshi / Fukunaga, Hirotoshi
Issue Date: 7-May-2014
Publisher: American Institute of Physics Publising LLC
Citation: Journal of Applied Physics, 115(17), 17A741; 2014
Abstract: A preparation of Pr-Fe-B thick-film magnets by using a PLD (Pulsed Laser Deposition) method with the energy density at approximately 50 mJ/m2 using the laser power of 2 W was effective to obtain the required magnetic properties for the application to a multi-polarly magnetized rotor. The isotropic films mainly consisted of Pr2Fe14B magnetic phase whose saturation magnetization is approximately 1.56 T, however the remanence (Br) showed higher than 0.9 T. The obtained value of B r was considered to be attributed to a remanence enhancement due to the interaction of Pr2Fe14B hard magnetic phases. Resultantly, the coercivity and (BH)max of the samples exceeded 600 kA/m and 115 kJ/m3, respectively, which were larger than that of previously reported PLD-fabricated isotropic rare-earth based thick-films.
URI: http://hdl.handle.net/10069/34738
ISSN: 00218979
DOI: 10.1063/1.4867130
Rights: © 2014 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.
Type: Journal Article
Text Version: publisher
Appears in Collections:Articles in academic journal

Citable URI : http://hdl.handle.net/10069/34738

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