TY - JOUR
T1 - A large-volume high-pressure and high-temperature apparatus for in situ
AU - Katsura, Tomoo
AU - Funakoshi, Ken ichi
AU - Kubo, Atsushi
AU - Nishiyama, Norimasa
AU - Tange, Yoshinori
AU - Sueda, Yu ichiro
AU - Kubo, Tomoaki
AU - Utsumi, Wataru
N1 - Funding Information:
SPEED-Mk.II was constructed by research grants acquired by E. Ohtani and E. Takahashi from Ministry of Education and Sciences, and research fund of W. Utsumi and O. Shimomura at Japan Atomic Energy Research Institute. The following high-pressure workers are acknowledged for their discussions and suggestions: E. Ito, E. Ohtani, T. Irifune, T. Inoue, S. Urakawa, O. Ohtaka, T. Yagi and M. Akaogi. The SPEED-Mk.II system was produced by the following companies: press and stages; Sumitomo Heavy Industries Co., hydraulic system; Riken Seiki Co., receiving system; Kohzu Seiki Co. and incident slit system; Yonekura Seisakusho Co. The designing engineers from these companies are highly appreciated. Setup of the system was conducted using the following beam time of SPring-8: 2002A0296-ND2-np, 2002B0044-CD2-np and 2003A0088-ND2-np. We thank Y. Fei, T. Duffy, X. Xue and an anonymous referee for their comments that improved the manuscript.
PY - 2004/6/15
Y1 - 2004/6/15
N2 - SPEED-Mk.II, the second KAWAI-type high P-T apparatus for in situ X-ray observation that was installed at the bending magnet beam line at SPring-8, is described. The guide block system was designed so that the change of the relative dimension of the cubic compression space with press load can be minimized by repeated adjustments. The hydraulic system was designed so as to enable smooth compression and decompression. These precise controls should be advantageous for high-pressure generation, especially when sintered diamond (SD) anvils are used. An oscillation system was equipped for the first time in a large volume press, making it possible to obtain high-quality diffraction patterns even when the number of sample grains is limited. The use of the oscillation system also reduces errors in pressure determination that may be caused by insufficient averaging of diffraction angles over grains in a limited diffraction volume, because the oscillating grains should sweep through the 2 θ range that is allowed by the finite widths of the optical slits.
AB - SPEED-Mk.II, the second KAWAI-type high P-T apparatus for in situ X-ray observation that was installed at the bending magnet beam line at SPring-8, is described. The guide block system was designed so that the change of the relative dimension of the cubic compression space with press load can be minimized by repeated adjustments. The hydraulic system was designed so as to enable smooth compression and decompression. These precise controls should be advantageous for high-pressure generation, especially when sintered diamond (SD) anvils are used. An oscillation system was equipped for the first time in a large volume press, making it possible to obtain high-quality diffraction patterns even when the number of sample grains is limited. The use of the oscillation system also reduces errors in pressure determination that may be caused by insufficient averaging of diffraction angles over grains in a limited diffraction volume, because the oscillating grains should sweep through the 2 θ range that is allowed by the finite widths of the optical slits.
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U2 - 10.1016/j.pepi.2003.07.025
DO - 10.1016/j.pepi.2003.07.025
M3 - Article
AN - SCOPUS:2442713683
SN - 0031-9201
VL - 143
SP - 497
EP - 506
JO - Physics of the Earth and Planetary Interiors
JF - Physics of the Earth and Planetary Interiors
IS - 1-2
ER -