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51

Exploratory studies of silicate melt structure at high pressures and temperatures by in situ X-ray diffraction

Nobumasa Funamori, Shino Yamamoto, Takehiko Yagi, Takumi Kikegawa

Journal:

Journal of Geophysical Research: Solid Earth

Year:

2004

Language:

english

File:

PDF, 448 KB

english, 2004

52

Pressure-induced structural change of liquid cesium

Kazuhiko Tsuji, Kenichi Yaoita, Motoharu Imai, Takeshi Mitamura, Takumi Kikegawa, Osamu Shimomura, Hirohisa Endo

Journal:

Journal of Non-Crystalline Solids

Year:

1990

Language:

english

File:

PDF, 236 KB

english, 1990

53

The structure of liquid bismuth under pressure

Kenichi Yaoita, Kazuhiko Tsuji, Yoshinori Katayama, Motoharu Imai, Jian-Qiang Chen, Takumi Kikegawa, Osamu Shimomura

Journal:

Journal of Non-Crystalline Solids

Year:

1992

Language:

english

File:

PDF, 262 KB

english, 1992

54

Structural study on proposed phase transition of liquid tellurium under high pressure

Kenichi Yaoita, Kazuhiko Tsuji, Yoshinori Katayama, Naoe Koyama, Takumi Kikegawa, Osamu Shimomura

Journal:

Journal of Non-Crystalline Solids

Year:

1993

Language:

english

File:

PDF, 267 KB

english, 1993

55

Thermal expansion studies of stishovite at 10.5 GPa using synchrotron radiation

Kaichi Suito, Makoto Miyoshi, Akifumi Onodera, Osamu Shimomura, Takumi Kikegawa

Journal:

Physics of the Earth and Planetary Interiors

Year:

1996

Language:

english

File:

PDF, 518 KB

english, 1996

56

In situ X-ray diffraction study on pressure-induced structural changes in hydrous forsterite and enstatite melts

Akihiro Yamada, Toru Inoue, Satoru Urakawa, Ken-ichi Funakoshi, Nobumasa Funamori, Takumi Kikegawa, Tetsuo Irifune

Journal:

Earth and Planetary Science Letters

Year:

2011

Language:

english

File:

PDF, 1.24 MB

english, 2011

57

Superplasticity in hydrous melt-bearing dunite: Implications for shear localization in Earth’s upper mantle

Tomohiro Ohuchi, Yu Nishihara, Takaaki Kawazoe, Dirk Spengler, Rei Shiraishi, Akio Suzuki, Takumi Kikegawa, Eiji Ohtani

Journal:

Earth and Planetary Science Letters

Year:

2012

Language:

english

File:

PDF, 1.86 MB

english, 2012

58

Complicated effects of aluminum on the compressibility of silicate perovskite

Takehiko Yagi, Kouichi Okabe, Norimasa Nishiyama, Atsushi Kubo, Takumi Kikegawa

Journal:

Physics of the Earth and Planetary Interiors

Year:

2004

Language:

english

File:

PDF, 165 KB

english, 2004

59

Phase transitions of (Mg,Fe)O at megabar pressures

Tadashi Kondo, Eiji Ohtani, Naohisa Hirao, Takehiko Yagi, Takumi Kikegawa

Journal:

Physics of the Earth and Planetary Interiors

Year:

2004

Language:

english

File:

PDF, 407 KB

english, 2004

60

The equation of state of orthorhombic perovskite in a peridotitic mantle composition to 80 GPa: implications for chemical composition of the lower mantle

Shigeaki Ono, Takumi Kikegawa, Tsuyoshi Iizuka

Journal:

Physics of the Earth and Planetary Interiors

Year:

2004

Language:

english

File:

PDF, 136 KB

english, 2004

61

Compressibility of the calcium aluminosilicate, CAS, phase to 44 GPa

Shigeaki Ono, Tsuyoshi Iizuka, Takumi Kikegawa

Journal:

Physics of the Earth and Planetary Interiors

Year:

2005

Language:

english

File:

PDF, 137 KB

english, 2005

62

In situ X-ray diffraction study of the effect of water on the garnet–perovskite transformation in MORB and implications for the penetration of oceanic crust into the lower mantle

Asami Sano, Eiji Ohtani, Konstantin Litasov, Tomoaki Kubo, Tomofumi Hosoya, Kenichi Funakoshi, Takumi Kikegawa

Journal:

Physics of the Earth and Planetary Interiors

Year:

2006

Language:

english

File:

PDF, 368 KB

english, 2006

63

Survival of pyropic garnet in subducting plates

Masayuki Nishi, Takumi Kato, Tomoaki Kubo, Takumi Kikegawa

Journal:

Physics of the Earth and Planetary Interiors

Year:

2008

Language:

english

File:

PDF, 1.20 MB

english, 2008

64

Hollandite II phase in KAlSi3O8 as a potential host mineral of potassium in the Earth's lower mantle

Naohisa Hirao, Eiji Ohtani, Tadashi Kondo, Takeshi Sakai, Takumi Kikegawa

Journal:

Physics of the Earth and Planetary Interiors

Year:

2008

Language:

english

File:

PDF, 692 KB

english, 2008

65

Kinetics of the post-garnet transformation: Implications for density and rheology of subducting slabs

Tomoaki Kubo, Eiji Ohtani, Takumi Kato, Tadashi Kondo, Tomofumi Hosoya, Asami Sano, Takumi Kikegawa

Journal:

Physics of the Earth and Planetary Interiors

Year:

2008

Language:

english

File:

PDF, 2.18 MB

english, 2008

66

Thermal equation of state of CaFe2O4-type MgAl2O4

Yuichiro Sueda, Tetsuo Irifune, Takeshi Sanehira, Takehiko Yagi, Norimasa Nishiyama, Takumi Kikegawa, Ken-ichi Funakoshi

Journal:

Physics of the Earth and Planetary Interiors

Year:

2009

Language:

english

File:

PDF, 627 KB

english, 2009

67

Mechanisms and kinetics of the post-spinel transformation in Mg2SiO4

Tomoaki Kubo, Eiji Ohtani, Takumi Kato, Satoru Urakawa, Akio Suzuki, Yuichi Kanbe, Ken-Ichi Funakoshi, Wataru Utsumi, Takumi Kikegawa, Kiyoshi Fujino

Journal:

Physics of the Earth and Planetary Interiors

Year:

2002

Language:

english

File:

PDF, 624 KB

english, 2002

68

The compressibility of a natural composition calcium ferrite-type aluminous phase to 70 GPa

Shigeaki Ono, Kei Hirose, Takumi Kikegawa, Yoko Saito

Journal:

Physics of the Earth and Planetary Interiors

Year:

2002

Language:

english

File:

PDF, 126 KB

english, 2002

69

A simple opposed-anvil apparatus for high pressure and temperature experiments above 10 GPa

Gotou, Hirotada, Yagi, Takehiko, Okada, Taku, Iizuka, Riko, Kikegawa, Takumi

Journal:

High Pressure Research

Year:

2011

Language:

english

File:

PDF, 436 KB

english, 2011

70

In situ observation and determination of liquid immiscibility in the Fe-O-S melt at 3 GPa using a synchrotron X-ray radiographic technique

Tsuno, Kyusei, Terasaki, Hidenori, Ohtani, Eiji, Suzuki, Akio, Asahara, Yuki, Nishida, Keisuke, Sakamaki, Tatsuya, Funakoshi, Ken-ichi, Kikegawa, Takumi

Journal:

Geophysical Research Letters

Year:

2007

Language:

english

File:

PDF, 319 KB

english, 2007

71

B 1-to- B 2 Structural Transitions in Rock Salt Intergrowth Structures

Yamamoto, Takafumi, Kobayashi, Yoji, Okada, Taku, Yagi, Takehiko, Kawakami, Takateru, Tassel, Cédric, Kawasaki, Shota, Abe, Naoyuki, Niwa, Ken, Kikegawa, Takumi, Hirao, Naohisa, Takano, Mikio, Kageyam

Journal:

Inorganic Chemistry

Year:

2011

Language:

english

File:

PDF, 455 KB

english, 2011

72

In situ X ray observation of high-pressure phase transitions of MgSiO 3 and thermal expansion of MgSiO 3 perovskite at 25 GPa by double-stage multianvil system

Kato, Takumi, Ohtani, Eiji, Morishima, Hideaki, Yamazaki, Daisuke, Suzuki, Akio, Suto, Minoru, Kubo, Tomoaki, Kikegawa, Takumi, Shimomura, Osamu

Journal:

Journal of Geophysical Research

Year:

1995

Language:

english

File:

PDF, 845 KB

english, 1995

73

In situ determination of the phase boundary between Wadsleyite and Ringwoodite in Mg 2 SiO 4

Suzuki, Akio, Ohtani, Eiji, Morishima, Hideaki, Kubo, Tomoaki, Kanbe, Yuichi, Kondo, Tadashi, Okada, Taku, Terasaki, Hidenori, Kato, Takumi, Kikegawa, Takumi

Journal:

Geophysical Research Letters

Year:

2000

Language:

english

File:

PDF, 407 KB

english, 2000

74

In situ X-ray experiment on the structure of hydrous Mg-silicate melt under high pressure and high temperature

Yamada, Akihiro, Inoue, Toru, Urakawa, Satoru, Funakoshi, Ken-ichi, Funamori, Nobumasa, Kikegawa, Takumi, Ohfuji, Hiroaki, Irifune, Tetsuo

Journal:

Geophysical Research Letters

Year:

2007

Language:

english

File:

PDF, 598 KB

english, 2007

75

Thermal expansion of MgSiO 3 perovskite at 20.5 GPa

Morishima, Hideaki, Ohtani, Eiji, Kato, Takumi, Shimomura, Osamu, Kikegawa, Takumi

Journal:

Geophysical Research Letters

Year:

1994

Language:

english

File:

PDF, 403 KB

english, 1994

76

Thermal expansivity of MgSiO 3 perovskite under high pressures up to 20 GPa

Utsumi, Wataru, Funamori, Nobumasa, Yagi, Takehiko, Ito, Eiji, Kikegawa, Takumi, Shimomura, Osamu

Journal:

Geophysical Research Letters

Year:

1995

Language:

english

File:

PDF, 458 KB

english, 1995

77

An in situ X ray diffraction study of the α-β transformation kinetics of Mg 2 SiO 4

Kubo, Tomoaki, Ohtani, Eiji, Kato, Takumi, Morishima, Hideaki, Yamazaki, Daisuke, Suzuki, Akio, Mibe, Kenji, Kikegawa, Takumi, Shimomura, Osamu

Journal:

Geophysical Research Letters

Year:

1998

Language:

english

File:

PDF, 511 KB

english, 1998

78

Structure of liquid gallium and liquid tellurium under pressure

Yaoita, Kenichi, Imai, Motoharu, Tsuji, Kazuhiko, Kikegawa, Takumi, Shimomura, Osamu

Journal:

High Pressure Research

Year:

1991

Language:

english

File:

PDF, 183 KB

english, 1991

79

Laser heated diamond anvil apparatus at the Photon Factory and SPring-8: Problems and improvements

Yagi, Takehiko, Kondo, Tadashi, Watanuki, Tetsu, Shimomura, Osamu, Kikegawa, Takumi

Journal:

Review of Scientific Instruments

Year:

2001

Language:

english

File:

PDF, 752 KB

english, 2001

80

New High-Pressure Phase of Calcium

Yabuuchi, Takahiro, Nakamoto, Yuki, Shimizu, Katsuya, Kikegawa, Takumi

Journal:

Journal of the Physical Society of Japan

Year:

2005

Language:

english

File:

PDF, 253 KB

english, 2005

81

In situ observation of a phase transition in Fe2SiO4at high pressure and high temperature

Shigeaki Ono, Takumi Kikegawa, Yuji Higo

Journal:

Physics and Chemistry of Minerals

Year:

2013

Language:

english

File:

PDF, 391 KB

english, 2013

82

Creep behavior during the eutectoid transformation of albite: Implications for the slab deformation in the lower mantle

Doi, Naoko, Kato, Takumi, Kubo, Tomoaki, Noda, Masahiko, Shiraishi, Rei, Suzuki, Akio, Ohtani, Eiji, Kikegawa, Takumi

Journal:

Earth and Planetary Science Letters

Year:

2014

Language:

english

File:

PDF, 1.57 MB

english, 2014

83

Pressure-induced noble gas insertion into Linde-type A zeolite and its incompressible behaviors at high pressure

Niwa, Ken, Tanaka, Tatsuya, Hasegawa, Masashi, Okada, Taku, Yagi, Takehiko, Kikegawa, Takumi

Journal:

Microporous and Mesoporous Materials

Year:

2013

Language:

english

File:

PDF, 572 KB

english, 2013

84

Equation of state and phase transition of antigorite under high pressure and high temperature

Yang, Cuiping, Inoue, Toru, Yamada, Akihiro, Kikegawa, Takumi, Ando, Jun-ichi

Journal:

Physics of the Earth and Planetary Interiors

Year:

2014

Language:

english

File:

PDF, 1.06 MB

english, 2014

85

Phase Transitions of Alkaline-Earth-Metal Disilicides M AE Si 2 (M AE = Ca, Sr, and Ba) at High Pressures and High Temperatures

Imai, Motoharu, Kikegawa, Takumi

Journal:

Chemistry of Materials

Year:

2003

Language:

english

File:

PDF, 273 KB

english, 2003

86

Pressure-induced phase transitions in lanthanide monoantimonides with a NaCl-type structure

Shirotani, Ichimin, Hayashi, Junichi, Yamanashi, Keigo, Ishimatsu, Naoki, Shimomura, Osamu, Kikegawa, Takumi

Journal:

Physical Review B

Year:

2001

Language:

english

File:

PDF, 57 KB

english, 2001

87

Pressure-Induced Structural, Magnetic, and Transport Transitions in the Two-Legged Ladder Sr 3 Fe 2 O 5

Yamamoto, Takafumi, Tassel, Cédric, Kobayashi, Yoji, Kawakami, Takateru, Okada, Taku, Yagi, Takehiko, Yoshida, Hideto, Kamatani, Takanori, Watanabe, Yoshitaka, Kikegawa, Takumi, Takano, Mikio, Yoshim

Journal:

Journal of the American Chemical Society

Year:

2011

Language:

english

File:

PDF, 3.62 MB

english, 2011

88

In Situ Observation of the Formation of Si Clathrate Ba 8 Si 46 at High Pressures and High Temperatures

Imai, Motoharu, Kikegawa, Takumi

Journal:

Inorganic Chemistry

Year:

2008

Language:

english

File:

PDF, 649 KB

english, 2008

89

Pressure-Induced Structural Transition in TGS

Suzuki, Eisuke, Kobayashi, Yuki, Endo, Shoichi, Deguchi, Kiyoshi, Kikegawa, Takumi

Journal:

Year:

2003

Language:

english

File:

PDF, 75 KB

english, 2003

90

Ca-VI: A high-pressure phase of calcium above 158 GPa

Nakamoto, Yuki, Sakata, Masafumi, Shimizu, Katsuya, Fujihisa, Hiroshi, Matsuoka, Takahiro, Ohishi, Yasuo, Kikegawa, Takumi

Journal:

Physical Review B

Year:

2010

Language:

english

File:

PDF, 462 KB

english, 2010

91

Perovskite-to-Postperovskite Transitions in NaNiF 3 and NaCoF 3 and Disproportionation of NaCoF 3 Postperovskite under High Pressure and High Temperature

Yusa, Hitoshi, Shirako, Yuichi, Akaogi, Masaki, Kojitani, Hiroshi, Hirao, Naohisa, Ohishi, Yasuo, Kikegawa, Takumi

Journal:

Inorganic Chemistry

Year:

2012

Language:

english

File:

PDF, 2.67 MB

english, 2012

92

Postperovskite Phase Transition of ZnGeO 3 : Comparative Crystal Chemistry of Postperovskite Phase Transition from Germanate Perovskites

Yusa, Hitoshi, Tsuchiya, Taku, Akaogi, Masaki, Kojitani, Hiroshi, Yamazaki, Daisuke, Hirao, Naohisa, Ohishi, Yasuo, Kikegawa, Takumi

Journal:

Inorganic Chemistry

Year:

2014

Language:

english

File:

PDF, 3.03 MB

english, 2014

93

High-pressure and high-temperature generation using diamond/sic composite anvils prepared with hot isostatic pressing

Ohtaka, Osamu, Ohnishi, Naoyuki, Kubo, Katsuyuki, Arima, Hiroshi, Fukui, Hiroshi, Yamanaka, Takamitsu, Miyamoto, Kei, Inamura, Suguru, Kikegawa, Takumi, Shimono, Masaru

Journal:

High Pressure Research

Year:

2005

Language:

english

File:

PDF, 231 KB

english, 2005

94

clathrate observed by using various pressure media

Yagi, Takehiko, Iida, Etsuko, Hirai, Hisako, Miyajima, Nobuyoshi, Kikegawa, Takumi, Bunno, Michiaki

Journal:

Physical Review B

Year:

2007

Language:

english

File:

PDF, 194 KB

english, 2007

95

Axial ratio of Zn at high pressure and low temperature

Kenichi, Takemura, Hiroshi, Yamawaki, Hiroshi, Fujihisa, Takumi, Kikegawa

Journal:

Physical Review B

Year:

2002

Language:

english

File:

PDF, 69 KB

english, 2002

96

at high pressures and high temperatures

Imai, Motoharu, Hirano, Toshiyuki, Kikegawa, Takumi, Shimomura, Osamu

Journal:

Physical Review B

Year:

1998

Language:

english

File:

PDF, 76 KB

english, 1998

97

Angle-dispersive diffraction measurement system for high-pressure experiments using a multichannel collimator

Yaoita, Kenichi, Katayama, Yoshinori, Tsuji, Kazuhiko, Kikegawa, Takumi, Shimomura, Osamu

Journal:

Review of Scientific Instruments

Year:

1997

Language:

english

File:

PDF, 410 KB

english, 1997

98

Phase transitions of MnO to 137 GPa

Kondo, Tadashi, Yagi, Takehiko, Syono, Yasuhiko, Noguchi, Yuichi, Atou, Toshiyuki, Kikegawa, Takumi, Shimomura, Osamu

Journal:

Journal of Applied Physics

Year:

2000

Language:

english

File:

PDF, 394 KB

english, 2000

99

metallic glass under high pressure

Sun, Liling, Wang, Wenkui, Wang, Limin, Kikegawa, Takumi, Wu, Qi, Zhang, Jun, Fan, Changzeng, Eckert, Jürgen, Schultz, Ludwig

Journal:

Physical Review B

Year:

2003

Language:

english

File:

PDF, 49 KB

english, 2003

100

sunder high-pressure and high-temperature conditions

Imai, Motoharu, Hirano, Toshiyuki, Kikegawa, Takumi, Shimomura, Osamu

Journal:

Physical Review B

Year:

1997

Language:

english

File:

PDF, 88 KB

english, 1997