2017 Fiscal Year Final Research Report
Development of functional ultra-thin film hybrid based on spin-resolved ARPES
| Project/Area Number |
15H02105
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| Research Category |
Grant-in-Aid for Scientific Research (A)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Condensed matter physics II
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| Research Institution | Tohoku University |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
佐藤 宇史 東北大学, 理学研究科, 教授 (10361065)
相馬 清吾 東北大学, スピントロニクス学術連携研究教育センター, 准教授 (20431489)
中山 耕輔 東北大学, 理学研究科, 助教 (40583547)
菅原 克明 東北大学, 材料科学高等研究所, 助教 (70547306)
福谷 圭祐 東北大学, 高度教養教育・学生支援機構, 助教 (10706021)
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| Project Period (FY) |
2015-04-01 – 2018-03-31
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| Keywords | スピン分解光電子分光 / 分子線エピタキシー / 高温超伝導体 / トポロジカル絶縁体 / グラフェン / 遷移金属ダイカルコゲナイド / ワイル半金属 / ディラック半金属 |
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| Outline of Final Research Achievements |
We constructed a complex spin-resolved ARPES system with a multi-component MBE system to achieve the following three targets; (1) exploring the electronic structure of novel functional materials, (2) strategic development of advanced new materials based on the determined electronic structure, and (3) creating novel functions by making a hybrid of different materials. Using this ARPES system, we have succeeded in creating several new materials/functions as well as improving their novel properties. Some representative achievements are realization of high-Tc superconductivity in atomically thin FeSe, fabrication of superconducting bilayer graphene with intercalation method, synthesis of trilayer graphene with selecting the stacking sequence and identification of the electronic structure, control and tuning of electronic structure in atomically thin transition-metal dichalcogenide, observation and mass-tuning of Dirac-cone interface states, and discovery of Weyl and nodal-line semimetals.
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| Free Research Field |
光電子固体物性学
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