Online ISSN: 1884-4111 Print ISSN: 0033-8303
Radioisotopes 65(12): 535-544 (2016)

連載講座Serial Lecture

VIII-5 高分解能チョッパー分光器による物質のダイナミクスの研究VIII-5 Study of Dynamics on High Resolution Chopper Spectrometer

1高エネルギー加速器研究機構物質構造科学研究所中性子科学研究系Institute of Materials Structure Science, High Energy Accelerator Research Organization ◇ 305–0801 茨城県つくば市大穂1–1 ◇ 1–1 Oho, Tsukuba-shi, Ibaraki Pref. 305–0801, Japan

2東京大学物性研究所中性子科学研究施設Neutron Science Laboratory, The Institute for Solid State Physics, The University of Tokyo ◇ 319–1106 茨城県那珂郡東海村白方106–1 ◇ 106–1 Shirakata, Tokai-mura, Ibaraki Pref. 319–1106, Japan

3東北大学多元物質科学研究所Institute of Multidisciplinary Research for Advanced Materials, Tohoku University ◇ 980–8577 宮城県仙台市青葉区片平2–1–1 ◇ 2–1–1 Katahira, Aoba-ku, Sendai-shi, Miyagi Pref. 980–8577, Japan

発行日:2016年12月15日Published: December 15, 2016


The High Resolution Chopper Spectrometer (HRC) is an inelastic neutron scattering instrument to study dynamics of materials in a wide energy space with high resolutions. Improvement of the HRC for realizing neutron Brillouin scattering experiments has enabled dynamical studies of polycrystalline and liquid samples. In high resolution experiments in a conventional energy momentum space, dynamics in numbers of strongly correlated electron systems have been revealed. In sub-eV neutron spectroscopy, studies of high energy magnetic excitations are in progress, and possibilities of observing electric excitations are discussed.

Key words: neutron inelastic scattering; pulsed neutron; neutron Brillouin scattering; single crystal; powder; magnetism; spin dynamics; correlated electron system

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