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Some Suggestions to Search New Permanent Magnets Using First-Principles Calculations
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제일원리계산에 의한 새로운 영구자석 소재 개발 방향

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Type
Academic journal
Author
Soon Cheol Hong (울산대학교) Dorj Odkhuu (인천대학교)
Journal
The Korean Magnetics Society Journal of the Korean Magnetics Society Vol.29 No.4 KCI Accredited Journals
Published
2019.8
Pages
148 - 153 (6page)
DOI
10.4283/JKMS.2019.29.4.148

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Some Suggestions to Search New Permanent Magnets Using First-Principles Calculations
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Research history (2)

2024

제일원리계산은 시장경쟁력이 있는 영구자석 개발에 직접적인 도움이 될까?
홍순철 ,  Odkhuu 한국자기학회 학술연구발표회 논문개요집 2024.05 Proceeding

2019

Some Suggestions to Search New Permanent Magnets Using First-Principles Calculations
Soon Cheol Hong ,  Do ,  j Odkhuu Journal of the Korean Magnetics Society 2019.08 Academic journal
  • Are you curious about the follow-up research of this article?
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Abstract· Keywords

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Since Nd₂Fe<SUB>14</SUB>B permanent magnet was developed in 1982, a new permanent magnet with higher performance than Nd2Fe14B has not been reported yet. On the other hand, new permanent magnet materials, which do not include rare-earth elements but are competible to ferrites in price, also are needed to be searched urgently. In this paper, we will review required material properties for good permanent magnets and discuss ways to search new permanent magnets, using first principles calculations. The goal to search the new permanent magnets should be set to find materials to have higher performance than Nd₂Fe<SUB>14</SUB>B or to be consisted of 3d transition metal as magnetic elements with compatible performance to Nd₂Fe<SUB>14</SUB>B to replace high performance rare-earth magnets or cheap ferrites.
#permanent magnet #first-principles calculation #Curie temperature #energy product #영구자석 #제일원리계산 #큐리온도 #에너지적

Contents

I. 서론
II. 영구자석의 기본 물성
III. 제일원리계산에 의한 새로운 영구자석 탐색 방향
IV. 맺음말
References

References (20)

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R. Skomski / 2016 / Scr. Mater 112:3 google schola R. W. McCallum / 2014 / Ann. Rev. Mater. Res. 44:451 google schola D. Li / 2016 / Sci. China Physics, Mech. Astron. 59:1 google schola Y. Hirayama / 2016 / Scr. Mater. 138:62 google schola R. C. Pullar / 2012 / Prog. Mater. Sci. 57:1191 google schola

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