The New Neutron Powder Diffractometer with a Multi-Detector System for High-Efficiency and High-Resolution Measurements
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概要
- 論文の詳細を見る
We describe a multipurpose neutron powder diffractometer for high-efficiency and high-resolution measurements, HERMES, which has been installed at the JRR-3M reactor in Japan Atomic Energy Research Institute. To obtain high-quality data for a short counting time, or with a small sample amount, HERMES has a multi-detector system which consists of 150 3He neutron detectors and simple window type collimation. The best resolution is Δ2θ of 18' and Δd/d of 3 ×10-3, where 2θ and d are scattering-angle and d-spacing, respectively. The duration of an ordinary powder diffraction experiment is 1–5 h under the present conditions in JRR-3M. Some typical results of powder diffraction experiments and performance are given in this paper. We also show a result of 2D intensity mapping of magnetic diffuse scattering from a single crystal of a spin glass material.
- 1998-06-15
著者
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Yamaguchi Yasuo
Institute For Materials Research Tohoku University
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Kajitani Tsuyoshi
Faculty Of Engineering Tohoku University
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Kanouchi Tomonori
Institute For Materials Research Tohoku University
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Nemoto Keiji
Institute For Materials Research Tohoku University
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Ohashi Masayoshi
Institute For Material Research Tohoku University
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Ohoyama Kenji
Institute For Materials Of Physics Tohoku University
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Yamaguchi Yasuo
Institute for Materials Research, Tohoku University, Sendai 980-77, Japan
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Ohoyama Kenji
Institute for Materials Research, Tohoku University, Sendai 980-77, Japan
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Kajitani Tsuyoshi
Faculty of Engineering, Tohoku University, Sendai 980-77, Japan
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Kanouchi Tomonori
Institute for Materials Research, Tohoku University, Sendai 980-77, Japan
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Nemoto Keiji
Institute for Materials Research, Tohoku University, Sendai 980-77, Japan
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