New High-Pressure Phase of Calcium(Condensed Matter : Structure, Mechanical and Thermal Properties)
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概要
- 論文の詳細を見る
An angular dispersive X-ray diffraction experiment on calcium metal (Ca) has been performed at high pressures up to 139 GPa. Ca forms a face-centered cubic (fcc) lattice at ambient conditions, transforms to a body-centered cubic (bcc) lattice at 20 GPa, and further transforms to a simple cubic structure at 32 GPa. We found the simple cubic phase in a wide pressure range, from 32 to about 109 GPa, and discovered a new high-pressure phase above 113 GPa.
- 2005-09-15
著者
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Kataoka Takashi
Department Of Complexity Science And Engineering And Department Of Physics University Of Tokyo
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Shimizu Katsuya
Kyokugen Center For Quantum Science And Technology Under Extreme Conditions Osaka University
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Nakamoto Yuki
Kyokugen Center For Quantum Science And Technology Under Extreme Conditions Osaka University
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Kikegawa Takumi
Institute Of Material Structure Science High Energy Accelerator Research Organization
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Kikegawa Takumi
Institute Of Materials Structure Science High Energy Acceleration Research Organization
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YABUUCHI Takahiro
KYOKUGEN, Center for Quantum Science and Technology under Extreme Conditions, Osaka University
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Yabuuchi Takahiro
Kyokugen Center For Quantum Science And Technology Under Extreme Conditions Osaka University
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KIKEGAWA Takumi
Institute for Materials Structure Science, High Energy Accelerator Organization
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