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Harjo, S.; Tsuchida, Noriyuki*; Nakamoto, Tatsushi*; Aizawa, Kazuya; Abe, Jun*; Gong, W.
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Hattori, Takanori; Sano, Asami; Arima, Hiroshi*; Inamura, Yasuhiro; Yamada, Akihiro*; Komatsu, Kazuki*; Nagai, Takaya*; Katayama, Yoshinori; Inoue, Toru*; Kagi, Hiroyuki*; et al.
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The PLANET is the high-pressure neutron beamline newly constructed at Japanese pulsed neutron source J-PARC. The most characteristic feature of this beamline is to possess the huge 6-axis multi-anvil press with the maximum load of 500 ton per axis. By combining with time-of-flight neutron diffraction and neutron radiography techniques, we can observe high-pressure and high-temperature state of the matter at 10 GPa and 2000 K. To eliminate scattering from sample surrounding materials, we designed and installed the severe incident and receiving collimators. This can confine the diffraction gauge volume into less than 3 mm cube, which results in no contamination of sample diffraction pattern. This character has a big advantage in solving unidentified structures of high-pressure phases as well as the precise structure refinement.