2015 Fiscal Year Final Research Report
Study of Quantum Magnetic Phases by High Magnetic Field Neutron Scattering and XMCD
| Project/Area Number |
23224009
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| Research Category |
Grant-in-Aid for Scientific Research (S)
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| Allocation Type | Single-year Grants |
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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) |
NARUMI Yasuo 東北大学, 金属材料研究所, 准教授 (50360615)
KUWAHARA Keitaro 茨城大学, 理工学研究科, 准教授 (90315747)
NAKAMURA Tetsuya (公材)高輝度光科学研究センター, 主幹研究員 (70311355)
NAKAJIMA KenjiI (国研)日本原子力研究開発機構, J-PARCセンター, 研究主幹 (10272535)
OHYAMA Kenji 茨城大学, 理工学研究科, 教授 (60241569)
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| Project Period (FY) |
2011-04-01 – 2016-03-31
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| Keywords | X線 / 中性子線 / 超強磁場 / 量子相転移 |
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| Outline of Final Research Achievements |
We have developed neutron and X-ray techniques in pulsed magnetic fields and have succeeded in combined them with ultra-low reduced temperature. The direct observation of order parameters and the electronic states by neutron and X-ray enables us to solve important long-time remaining problems such as the high field phases in U-intermetallics, valence state transition in Eu-ternary compounds, spin nematic phase in quantum spin chain and re-entrant transitions in multiferroics. We have also opened new paradigm such as X-ray free electron laser experiments in pulsed high magnetic fields, which uncovered the new three dimensional charge density wave in high-Tc superconductors. Our concept is now spreading over other areas such as spectroscopy, THz-ESR and particle physics. The present research has made our leading status in the area of high magnetic field quantum beam science more solid and has contributed much for the development in this and related areas.
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| Free Research Field |
物理学、磁性
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