(Sm,Zr)(Fe,Co)11.0-11.5Ti1.0-0.5 compounds as new permanent magnet materials
Author(s) -
Tomoko Kuno,
Shunji Suzuki,
Kimiko Urushibata,
Kurima Kobayashi,
Noritsugu Sakuma,
Masao Yano,
Akira Kato,
Akira Manabe
Publication year - 2016
Publication title -
aip advances
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.421
H-Index - 58
ISSN - 2158-3226
DOI - 10.1063/1.4943051
Subject(s) - curie temperature , materials science , magnet , coercivity , saturation (graph theory) , anisotropy , ferromagnetism , analytical chemistry (journal) , nuclear magnetic resonance , metallurgy , chemistry , condensed matter physics , physics , mathematics , chromatography , combinatorics , quantum mechanics
We investigated (Sm,Zr)(Fe,Co)11.0-11.5Ti1.0-0.5 compounds as permanent magnet materials. Good magnetic properties were observed in (Sm0.8Zr0.2)(Fe0.75Co0.25)11.5Ti0.5 powder containing a limited amount of the α-(Fe, Co) phase, including saturation polarization (Js) of 1.63 T, an anisotropic field (Ha) of 5.90 MA/m at room temperature, and a Curie temperature (Tc) of about 880 K. Notably, Js and Ha remained above 1.5 T and 3.70 MA/m, respectively, even at 473 K. The high-temperature magnetic properties of (Sm0.8Zr0.2)(Fe0.75Co0.25)11.5Ti0.5 were superior to those of Nd2Fe14B
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