書誌事項
- タイトル別名
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- Molecular Dynamics Study on Structural Relaxation Processes in Amorphous Germanium
- アモルファス Ge ニ オケル コウゾウ カンワ カテイ ノ ブンシ ドウリキガクホウ ニ ヨル カイセキ
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説明
<p>Structural relaxation of amorphous germanium has been examined by molecular dynamics simulations based on the empirical Tersoff interatomic potential. Although the Tersoff potential overestimated both the melting and glass transition temperatures, it was found that this potential can reproduce the behavior of structural relaxation. The potential energy decreased with thermal annealing below the glass transition temperature, but it sometimes increased during structural relaxation. The mean square displacement of atoms also increased at the corresponding period. These changes were attributed to the cooperative atomic motion during structure relaxation. Atomic trajectories revealed that structural changes are induced by spatially- and temporally-inhomogeneous atomic motions: atomic mobile and immobile regions coexisted during structural relaxation.</p>
収録刊行物
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- 日本金属学会誌
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日本金属学会誌 81 (2), 66-70, 2017
公益社団法人 日本金属学会
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詳細情報 詳細情報について
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- CRID
- 1390282681458379392
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- NII論文ID
- 130005296416
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- NII書誌ID
- AN00187860
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- ISSN
- 18806880
- 24337501
- 00214876
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- NDL書誌ID
- 027868581
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
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- 抄録ライセンスフラグ
- 使用不可