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Key experimental information on intermediate-range atomic structures in amorphous Ge2Sb2Te5 phase change material
http://hdl.handle.net/2298/29231
http://hdl.handle.net/2298/29231354065cd-b895-493e-b518-d2eb799c7e88
名前 / ファイル | ライセンス | アクション |
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1.3703570.pdf (1.9 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2014-01-29 | |||||
タイトル | ||||||
タイトル | Key experimental information on intermediate-range atomic structures in amorphous Ge2Sb2Te5 phase change material | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ | journal article | |||||
著者 |
Hosokawa, Shinya
× Hosokawa, Shinya× Pilgrim, Wolf-Christian× Höhle, Astrid× Szubrin, Daniel× Boudet, Nathalie× Bérar, Jean-François× Maruyama, Kenji |
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別言語の著者 |
細川, 伸也
× 細川, 伸也× 丸山, 健二 |
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内容記述 | ||||||
内容記述 | Laser-induced crystalline-amorphous phase change of Ge-Sb-Te alloys is the key mechanism enabling the fast and stable writing/erasing processes in rewritable optical storage devices, such as digital versatile disk (DVD) or blu-ray disk. Although the structural information in the amorphous phase is essential for clarifying this fast process, as well as long lasting stabilities of both the phases, experimental works were mostly limited to the short-range order by x ray absorption fine structure. Here we show both the short and intermediate-range atomic structures of amorphous DVD material, Ge2Sb2Te5 (GST), investigated by a combination of anomalous x ray scattering and reverse Monte Carlo modeling. From the obtained atomic configurations of amorphous GST, we have found that the Sb atoms and half of the Ge atoms play roles in the fast phase change process of order-disorder transition, while the remaining Ge atoms act for the proper activation energy of barriers between the amorphous and crystalline phases. | |||||
書誌情報 |
Journal of Applied Physics 巻 111, 号 8, p. 083517-083517, 発行年 2012-04-15 |
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ISSN | ||||||
収録物識別子 | 00218979 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
関連識別子 | 10.1063/1.3703570 | |||||
権利 | ||||||
権利情報 | American Institute of Physics | |||||
フォーマット | ||||||
内容記述 | application/pdf | |||||
形態 | ||||||
1902791 bytes | ||||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
日本十進分類法 | ||||||
主題 | 420 | |||||
出版者 | ||||||
出版者 | American Institute of Physics | |||||
資源タイプ | ||||||
内容記述 | 論文(Article) | |||||
資源タイプ・ローカル | ||||||
雑誌掲載論文 | ||||||
資源タイプ・NII | ||||||
Journal Article | ||||||
資源タイプ・DCMI | ||||||
text | ||||||
資源タイプ・ローカル表示コード | ||||||
01 | ||||||
URL | ||||||
内容記述 | http://scitation.aip.org/content/aip/journal/jap/111/8/10.1063/1.3703570 |