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Improvement in Magnetic Properties of PLD-Made Nd-Fe-B Thick Film Magnets

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Title: Improvement in Magnetic Properties of PLD-Made Nd-Fe-B Thick Film Magnets
Authors: Nakano, Masaki / Takeda, H. / Yamashita, F. / Yanai, Takeshi / Fukunaga, Hirotoshi
Issue Date: Nov-2008
Publisher: Institute of Electrical and Electronics Engineers
Citation: IEEE Transactions on Magnetics, 44(11), pp.4199-4201; 2008
Abstract: Coercivity of pulsed laser deposition (PLD)-fabricated Nd-Fe-B thick film magnets were enhanced by synergistic use of an additive (Zr, Nb or Ga) and an adoption of pulse annealing as a high-speed crystallization method. The role of the additives and the pulse annealing mainly work on the increase of coercivity without the deterioration of remanence and (BH) max· For example, after pulse annealing of an as-deposited film prepared from a Nd 2.6Fe 14B + Ga 0.5 at.% target, the obtained coercivity reached approximately 1700 kA/m. We also found that (BH) max value reaches approximately 70 kJ/m 3 by reducing Nd content and adding Zr or Nb.
Keywords: Coercivity / Pulsed laser deposition / Remanence / Thick film magnets
URI: http://hdl.handle.net/10069/23905
ISSN: 00189464
DOI: 10.1109/TMAG.2008.2001492
Rights: © 2008 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Type: Journal Article
Text Version: publisher
Appears in Collections:Articles in academic journal

Citable URI : http://hdl.handle.net/10069/23905

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