| Project/Area Number |
18340111
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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 |
Condensed matter physics II
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| Research Institution | Japan Synchrotron Radiation Research Institute |
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Principal Investigator |
SAKURAI Yoshiharu Japan Synchrotron Radiation Research Institute, 利用研究促進部門, 副主席研究員 (90205815)
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| Co-Investigator(Kenkyū-buntansha) |
ITOU Masayoshi (財)高輝度光科学研究センター, 利用研究促進部門, 副主幹研究員 (10344392)
小泉 昭久 兵庫県立大学, 物質理学研究科, 准教授 (00244682)
久保 康則 日本大学, 文理学部, 教授 (60117497)
山口 益弘 横浜国立大学, 工学(系)研究科(研究院), 教授 (10018046)
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| Co-Investigator(Renkei-kenkyūsha) |
KOIZUMI Akihisa 兵庫県立大学, 物質理学研究科, 准教授 (00244682)
YAMAGUCHI Masuhiro 横浜国立大学, 工学研究科, 教授 (10018046)
KUBO Yasunori 日本大学, 文理学部, 教授 (60117497)
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| Project Period (FY) |
2006 – 2009
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| Project Status |
Completed (Fiscal Year 2009)
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| Budget Amount *help |
¥16,360,000 (Direct Cost: ¥14,800,000、Indirect Cost: ¥1,560,000)
Fiscal Year 2009: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Fiscal Year 2008: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2007: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2006: ¥9,600,000 (Direct Cost: ¥9,600,000)
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| Keywords | 金属物性 / 構造・機能材料 / 超伝導材料・素子 / 物性実験 / 放射線・X線・粒子線 / コンプトン散乱 / 強相関物質 / 軌道状態 / フェルミ面 / 強相関系 / 電子運動量密度 / X線スペクトロメータ |
|---|
| Research Abstract |
Fermi surface plays an important role on superconductivity and magnetism in strongly correlated materials which draws attention as next-generation materials for electronic devices. In this study, we have developed the Compton scattering technique as a direct observation method of Fermi surfaces and then applied to novel superconductors. We measured cobaltates, Fe-As materials and cuprates, and succeeded in mapping out the Fermi surfaces and orbitals of carriers (holes or electrons) which play an important role in the occurrence of superconductivity.
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