教師資料查詢 | 類別: 期刊論文 | 教師: 薛宏中 Hsueh, Hung-chung (瀏覽個人網頁)

標題:Breakdown of Rigid-Unit vibrations in layered semiconductors under pressure : application to germanium sulfide
學年83
學期2
出版(發表)日期1995/07/01
作品名稱Breakdown of Rigid-Unit vibrations in layered semiconductors under pressure : application to germanium sulfide
作品名稱(其他語言)
著者Hsueh, H.C.
單位淡江大學物理學系
出版者
著錄名稱、卷期、頁數Europhysics letters 31, pp.151
摘要A combination of high-sensitivity Raman scattering and ab initio computer simulations is used to explore the lattice dynamics of the prototypical layered semiconductor GeS under hydrostatic pressure. The observed and calculated pressure responses of the Ag layer shear mode are in excellent agreement over the entire pressure range of the experiments (0 to 50 kbar). Examination of the calculated phonon eigenvectors reveals that the "rigid-layer" model is an appropriate description of the lattice dynamics only under near-ambient-pressure conditions and that substantial mode admixture occurs under compression.
關鍵字
語言英文
ISSN0295-5075;1286-4854
期刊性質國外
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產學合作
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審稿制度
國別法國
公開徵稿
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