2010 Fiscal Year Final Research Report
Anomaly Excitations in Hole Doped Layered Perovskite Transition Metal Oxide
| Project/Area Number |
20340097
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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 Atomic Energy Agency |
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Principal Investigator |
NAKAJIMA Kenji 独立行政法人日本原子力研究開発機構, J-PARCセンター, 研究主幹 (10272535)
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| Co-Investigator(Kenkyū-buntansha) |
KANJIMOTO Ryoichi (一財)総合科学研究機構, 東海事業センター, 副主任研究員 (30391254)
SHAMOTO Shinichi 独立行政法人日本原子力研究開発機構, 量子ビーム応用研究部門, 研究主席 (39023569)
KODAMA Katsuaki 独立行政法人日本原子力研究開発機構, 量子ビーム応用研究部門, 研究副主幹 (10313115)
OSKABE Toyotaka 独立行政法人日本原子力研究開発機構, 量子ビーム応用研究部門, 研究主幹 (80354900)
WAKIMOTO Shuichi 独立行政法人日本原子力研究開発機構, 量子ビーム応用研究部門, 研究副主幹 (40399415)
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| Project Period (FY) |
2008 – 2010
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| Keywords | 中性子散乱 / 磁性 / 層状ペロプスカイト / 遷移金属酸化物 |
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| Research Abstract |
Layered transition-metal oxides show interesting phenomena such as high-temperature superconducting. These materials have often have inhomogeneous charge distribution inside. By combing preparing effective sample preparation environment and the high-intensity neutron spectrometers newly being installed at J-PARC, we tried to reveal microscopic mechanisms of these phenomena by exploring the anomalies in magnetic a lattice dynamics. At this moment, we have found interesting behavior in magnons in Ni, Co and other related systems, which should be investigated continuously.
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