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Void structure and intermediate-range fluctuations in the metal-nonmetal transition range in expanded liquid Hg
http://hdl.handle.net/10191/26954
http://hdl.handle.net/10191/2695482120727-574d-4351-a556-ef71a448dc82
名前 / ファイル | ライセンス | アクション |
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80_1_014201.pdf (332.4 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2014-04-18 | |||||
タイトル | ||||||
タイトル | Void structure and intermediate-range fluctuations in the metal-nonmetal transition range in expanded liquid Hg | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Void structure and intermediate-range fluctuations in the metal-nonmetal transition range in expanded liquid Hg | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Maruyama, Kenji
× Maruyama, Kenji× Endo, Hirohisa× Hoshino, Hideoki× Hensel, Friedrich |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The reverse Monte Carlo and Voronoi-Delaunay analyses have been applied to characterize the intermediate-range fluctuations near the metal-nonmetal transition in expanded liquid Hg. An analysis of voids acts as a useful adjunct to the normally discussed structural properties in interpreting the origin of intermediate-range fluctuations in the expanded liquids. The results for Hg-based and void-based partial pair distribution functions and the partial coordination number distributions reveal that the metallic domains (M domains) are built with packing of tetrahedral Hg 4 blocks. The M domains transform into the nonmetallic domains (NM domains) creating large voids (L voids) ~3.1 Å in radius, which are supported by the network linked with tetrahedral Hg 4 blocks containing small voids (S voids) ~2.3 Å in radius at densities of 9.2–10.5 g cm −3 , where the coordination number is rapidly reduced below six. The estimated density variations in S'cc (0) from “domain model” and “void model” exhibit a peak around 10.5 g cm −3, which indicates that M domains and NM domains coexist near the metal-nonmetal transition region. There appears the prepeak at 0.8–1.2 Å −1 in the partial structure factor of L voids around the L voids, S'LV-LV (Q) , suggesting the chemical ordering of L voids. It follows that the intermediate-range concentration fluctuations resulting in microphase separation (clustering) of NM domains and M domains are reflected in the structural change near the metal-nonmetal transition. | |||||
書誌情報 |
Physical review. Third series. B, Condensed matter and materials physics en : Physical review. Third series. B, Condensed matter and materials physics 巻 80, 号 1, p. 014201-1-014201-10, 発行日 2009-07 |
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出版者 | ||||||
出版者 | American Physical Society | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 10980121 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11187113 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1103/PhysRevB.80.014201 | |||||
権利 | ||||||
権利情報 | Copyright(C) 2009 The American Physical Society | |||||
著者版フラグ | ||||||
値 | publisher |