Search Results - "Kikegawa, T."

Density measurement of Fe3C liquid using X-ray absorption image up to 10 GPa and effect of light elements on compressibility of liquid iron by Terasaki, H., Nishida, K., Shibazaki, Y., Sakamaki, T., Suzuki, A., Ohtani, E., Kikegawa, T.

“…Density of liquid iron alloy under high pressure is important to constrain the amount of light elements in the Earth’s core. Density measurement of solid and…”
Get full text

Synthesis, Thermal Stability and Properties of ZnO2 Nanoparticles by Chen, W, Lu, Y. H, Wang, M, Kroner, L, Paul, H, Fecht, H.-J, Bednarcik, J, Stahl, K, Zhang, Z. L, Wiedwald, U, Kaiser, U, Ziemann, P, Kikegawa, T, Wu, C. D, Jiang, J. Z

“…ZnO2nanoparticles have been synthesized by an organometallic precursor method. The structure, structural stability, and magnetic and optical properties of ZnO2…”
Get full text

The stability and compressibility of MgAl2O4 high-pressure polymorphs by Ono, S., Kikegawa, T., Ohishi, Y.

“…High-pressure and high-temperature experiments using a laser-heated diamond anvil cell (LHDAC) and synchrotron X-ray diffraction have revealed a phase…”
Get full text

Volume and structural study of Fe64Mn36 anti-ferromagnetic Invar alloy under high pressure by Matsushita, M., Nakano, S., Ohfuji, H., Yamada, I., Kikegawa, T.

“…We have investigated the pressure variation of the volume and structure of an FCC Fe64Mn36 anti-ferromagnetic Invar alloy. The inclination of the…”
Get full text

Bulk Modulus and Structural Phase Transitions of Wurtzite CoO Nanocrystals by Liu, J. F, He, Y, Chen, W, Zhang, G. Q, Zeng, Y. W, Kikegawa, T, Jiang, J. Z

“…High-pressure behaviors of wurtzite-type hexagonal CoO nanocrystals were investigated by in situ high-pressure synchrotron radiation X-ray diffraction…”
Get full text

Pressure-induced phase transitions of lanthanide monoarsenides LaAs and LuAs with a NaCl-type structure by Shirotani, I., Yamanashi, K., Hayashi, J., Ishimatsu, N., Shimomura, O., Kikegawa, T.

“…By use of synchrotron radiation the powder X-ray diffraction of lanthanide monoarsenides LaAs and LuAs with a NaCl-type structure has been studied up to 60 GPa…”
Get full text

Equation of state of iron?silicon alloys to megabar pressure by Hirao, N., Ohtani, E., Kondo, T., Kikegawa, T.

“…The stability and pressure–volume equation of state of iron–silicon alloys, Fe-8.7 wt% Si and Fe-17.8 wt% Si, have been investigated using diamond-anvil cell…”
Get full text

Structural phase transition of ScSb and YSb with a NaCl-type structure at high pressures by Hayashi, J, Shirotani, I, Hirano, K, Ishimatsu, N, Shimomura, O, Kikegawa, T

“…By use of synchrotron radiation, powder X-ray diffraction of ScSb and YSb with a NaCl-type structure has been studied up to 45 GPa at room temperature. A…”
Get full text

Anomalous compressive behavior in CeO2 nanocubes under high pressure by Ge, M Y, Fang, Y Z, Wang, H, Chen, W, He, Y, Liu, E Z, Su, N H, Stahl, K, Feng, Y P, Tse, J S, Kikegawa, T, Nakano, S, Zhang, Z L, Kaiser, U, Wu, F M, Mao, H-K, Jiang, J Z

Get full text

Compressibility of the calcium aluminosilicate, CAS, phase to 44 GPa by Ono, Shigeaki, Iizuka, Tsuyoshi, Kikegawa, Takumi

“…In situ X-ray diffraction measurements on a calcium aluminosilicate (CAS) phase have been carried out using a laser-heated diamond anvil cell up to a pressure…”
Get full text

The compressibility of a natural apatite by Matsukage, K. N., Ono, S., Kawamoto, T., Kikegawa, T.

“…In-situ synchrotron X-ray diffraction (XRD) experiments of a natural apatite with the formula of Ca5(PO4)3F0.94Cl0.06 were carried out using a diamond anvil…”
Get full text

The lattice softening and the crystal structure of Fe-Pt Invar alloys under high pressures by MATSUSHITA, M, NAKAMOTO, Y, SUZUKI, E, MIYOSHI, Y, INOUE, H, ENDO, S, KIKEGAWA, T, ONO, F

“…The crystal structure of ordered and disordered Fe-Pt Invar alloys has been investigated under high pressures up to 13 GPa in the temperature range of 12-300 K…”
Get full text

Phase transitions of LnSb (Ln=lanthanide) with NaCl-type structure at high pressures by Hayashi, J., Shirotani, I., Tanaka, Y., Adachi, T., Shimomura, O., Kikegawa, T.

“…Using synchrotron radiation, X-ray diffraction patterns of LnSb (Ln=Pr, Nd, Sm, Gd and Tb) with a NaCl-type structure have been measured up to 30 GPa at room…”
Get full text

Structural Systematics of the High-Pressure Phases of Phosphorus, Arsenic, Antimony and Bismuth by Iwasaki, H., Kikegawa, T.

“…New structural systematics of the high-pressure phases of the title elements are given on the basis of the results obtained in our diffraction studies and the…”
Get full text

Baddeleyite-type high-pressure phase of TiO2 by SATO, H, ENDO, S, SUGIYAMA, M, KIKEGAWA, T, SHIMOMURA, O, KUSABA, K

“…A high-pressure phase of TiO(2), which had been observed by shock-wave experiments and remained unresolved, has been studied by in situ x-ray diffraction. The…”
Get full text

Amorphouslike diffraction pattern in solid metallic titanium by WANG, Y, FANG, Y. Z, JIANG, J. Z, KIKEGAWA, T, LATHE, C, SAKSL, K, FRANZ, H, SCHNEIDER, J. R, GERWARD, L, WU, F. M, LIU, J. F

Get full text

Synchrotron radiation X-ray powder diffractometer with a cylindrical imaging plate by Fujiwara, A., Ishii, K., Watanuki, T., Suematsu, H., Nakao, H., Ohwada, K., Fujii, Y., Murakami, Y., Mori, T., Kawada, H., Kikegawa, T., Shimomura, O., Matsubara, T., Hanabusa, H., Daicho, S., Kitamura, S., Katayama, C.

“…A synchrotron radiation X‐ray powder diffractometer for samples of very small amount has been developed to collect high‐quality diffraction patterns under…”
Get full text

P-T Phase Diagram and Gold Valence State of the Perovskite-Type Mixed-Valence Compounds Cs2Au2X6 (X = Cl, Br, and I) under High Pressures by Kojima, N, Hasegawa, M, Kitagawa, H, Kikegawa, T, Shimomura, O

Get full text

Pressure-induced structural phase transition in a ferromagnet CrTe by Eto, T., Ishizuka, M., Endo, S., Kanomata, T., Kikegawa, T.

“…We studied the crystal structure of CrTe at pressures up to 51 GPa in the temperature range of 35∼300 K by in situ angle-dispersive X-ray diffraction using…”
Get full text

P-T phase diagram and gold valence state of the perovskite-type mixed-valence compounds Cs[sub 2]Au[sub 2]X[sub 6] (X = Cl, Br, and I) under high pressures by Kojima, N., Hasegawa, M., Kitagawa, H., Kikegawa, T., Shimomura, O.

“…We have elucidated the structural P-T phase diagram of Cs[sub 2]Au[sub 2]X[sub 6] (X = Cl, Br, and I) under high pressures and high temperatures for the first…”
Get full text