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Report No.

Current status and utilization results of BL11 PLANET

Hattori, Takanori   

The PLANET is a powder diffraction beamline dedicated to high-pressure experiments constructed at MLF in J-PARC. The most important feature is to enable the in-situ observation of the state of matter at high pressure and high temperature (10 GPa, 2000 K) by neutron diffraction and neutron imaging using a 6-axis multi anvil press (max. load is 500 ton per axis). The PLANET is also equipped with a radial collimator with a gauge length of 1.5 mm to 3.0 mm, which make it possible to obtain a clean diffraction pattern without signals from materials around the sample (heater and pressure medium etc.). Thanks to this character, it is possible to analyze the structure of crystals and liquid / amorphous solids very accurately even under high pressure. By exchanging a 6-axis press with a small press, high-pressure experiments are possible over wide temperature range from 77 K to 2000 K. In this lecture, I will introduce recent achievements obtained at the PLANET.



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