Overview of High-Pressure Neutron Beamline, PLANET, and Practical Aspects of the Experiments

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  • 高圧中性子ビームラインPLANETの概要と中性子回折実験の実際
  • コウアツ チュウセイシ ビームライン PLANET ノ ガイヨウ ト チュウセイシ カイセツ ジッケン ノ ジッサイ

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Abstract

PLANET is a high-pressure neutron beamline constructed at pulsed-neutron source in Materials and Life Science Experimental Facility (MLF) in J-PARC. The six-axis multi-anvil press designed for time of flight (TOF) neutron diffraction experiments enables routine data collection at high pressures and high temperatures up to 10 GPa and 2000 K, respectively. To obtain clean data, the beamline is equipped with the incident slits and receiving collimators that eliminate parasitic scattering from the high-pressure cell. The high performance of the diffractometer for the resolution (Δd/d～0.6%) and the accessible d-spacing range (0.2-8.4 Å) together with low-parasitic scattering characteristics enables precise structure determination of crystals and liquids under high pressure and temperature conditions.<br>

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