Presentation 2004/10/28
Structure and Magnetic Properties of Partially Ordered Fe-Pt Nanoparticles Synthesized by Chemical Method
Yoshitaka KITAMOTO, Rumiko MINAMI, Tsukasa CHIKATA, Syunsaku KATO, Hiroaki NISHIO, Hiroshi YAMAMOTO,
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Abstract(in English) Partially ordered Fe-Pt nanoparticles are synthesized by a polyol method with microwave irradiation at 250℃. Whereas the ordered Fe-Pt nanoparticles exhibit coercivity of 3.4 kOe and anisotropy field H_k^, of 83 kOe at room temperature, an evaluation of anisotropy field distribution reveals that many particles with low anisotropy field are included. Mossbauer spectroscopy shows 60 % of Fe atoms in the partially ordered Fe-Pt nanoparticles are in the L1_0 ordered structure.
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Keyword(in English) Fe-Pt / ordered alloy / nanoparticle / magnetic recording medium / magnetic anisotropy
Paper # MR2004-20
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Committee MR
Conference Date 2004/10/28(1days)
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Registration To Magnetic Recording (MR)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Structure and Magnetic Properties of Partially Ordered Fe-Pt Nanoparticles Synthesized by Chemical Method
Sub Title (in English)
Keyword(1) Fe-Pt
Keyword(2) ordered alloy
Keyword(3) nanoparticle
Keyword(4) magnetic recording medium
Keyword(5) magnetic anisotropy
1st Author's Name Yoshitaka KITAMOTO
1st Author's Affiliation Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology()
2nd Author's Name Rumiko MINAMI
2nd Author's Affiliation Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology
3rd Author's Name Tsukasa CHIKATA
3rd Author's Affiliation Research Institute for Solvothermal Technology
4th Author's Name Syunsaku KATO
4th Author's Affiliation Research Institute for Solvothermal Technology
5th Author's Name Hiroaki NISHIO
5th Author's Affiliation Faculty of Engineering, Meiji University /
6th Author's Name Hiroshi YAMAMOTO
6th Author's Affiliation
Date 2004/10/28
Paper # MR2004-20
Volume (vol) vol.104
Number (no) 408
Page pp.pp.-
#Pages 4
Date of Issue