2018 Fiscal Year Final Research Report
Creation of L10-FeNi supermagnet
| Project/Area Number |
16H03873
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Thin film/Surface and interfacial physical properties
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| Research Institution | Tokyo University of Science |
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Principal Investigator |
Kotsugi Masato 東京理科大学, 基礎工学部材料工学科, 准教授 (60397990)
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| Co-Investigator(Kenkyū-buntansha) |
三浦 良雄 京都工芸繊維大学, 電気電子工学系, 准教授 (10361198)
水口 将輝 東北大学, 金属材料研究所, 准教授 (50397759)
小森 文夫 東京大学, 物性研究所, 教授 (60170388)
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| Project Period (FY) |
2016-04-01 – 2019-03-31
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| Keywords | 磁性 / 表面界面 / 放射光 |
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| Outline of Final Research Achievements |
We here studied artificial fabrication of L10-type FeCo ordered alloy. (1) The improvement of PLD by automatic control technique. (2) The investigation of morphology and magnetic property in fundamental L10-FeNi system. (3) The fabrication and characterization of L10-FeCo using periodic buffer layer.
As a result, we improved stability of PLD system, and the formation mechanism in PLD-L10-FeNi was clarified. The use of buffer layer could maintain L10 phase in FeCo system, and the substitution from Cu to Ni improves magnetic properties.
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| Free Research Field |
磁性
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| Academic Significance and Societal Importance of the Research Achievements |
本研究では、レアメタルフリーで高い磁気機能を有する新しい磁性材料の創製を行った。本研究では特にパルスレーザー蒸着装置を精密に制御しながら、FeとCoを単原子毎に交互に積層させることでL10型のFeCo規則合金をはじめて作製することに成功した。
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