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- Nelmes R. J.
- Department of Physics and Astronomy, The University of Edinburgh
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- Loveday J. S.
- Department of Physics and Astronomy, The University of Edinburgh
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- Marshall W. G.
- Department of Physics and Astronomy, The University of Edinburgh
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- Besson J. M.
- Physique des Milieux Condenses Universie
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- Klotz S.
- Physique des Milieux Condenses Universie
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- Hamel G.
- Departement des Hautes Pressions, Universite
書誌事項
- タイトル別名
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- Structures of Ice 7 and Ice 8 to 20 GPa
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抄録
The structural pressure dependence of the high-pressure ices VII and VIII has been measured up to 20 GPa by neutron powder diffraction. Measurements of the atomic thermal motion reveal that, while it is strongly reduced by pressure in both phases, the stepwise change in the oxygen thermal motion at the VIII/VII transition is pressure independent within the precision of the measurements. Also, the O-D bondlength in ice VIII changes by less 0. 002 Å to 20 GPa. These results suggest that the site-separation of the disordered oxygen atoms in ice VII and the direction of the disorder displacement remain closely similar to those found at 5 GPa.
収録刊行物
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- 高圧力の科学と技術
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高圧力の科学と技術 7 1138-1140, 1998
日本高圧力学会
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詳細情報 詳細情報について
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- CRID
- 1390282679359123968
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- NII論文ID
- 10002693131
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- NII書誌ID
- AN10452913
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- ISSN
- 13481940
- 0917639X
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- NDL書誌ID
- 4494170
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可