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闪锌矿结构Zn_1－xMn_xSe混晶光学声子行为

Optical Phonon Behavior of Mix-Crystal Zn_1-xMn_xSe with Zinc Blende Structure

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【Author】 Guo Yile and Lao Pudong(Department of Physics, Fudan University, Shanghai 200433)Received 13 May 1993, revised manuscript received 15 August 1993

【机构】复旦大学物理系；

【摘要】本文计算了闪锌矿结构Ｚｎ（１－ｘ）ＭｎｘＳｅ光学声子频率随组分ｘ值的改变．计算表明，Ｚｎ（１－ｘ）ＭｎｘＳｅ混晶的光学声子属混模行为．在计算中，表征晶格常数改变对力常数影响的物理量，不同混晶应取不同的值．更多还原

【Abstract】 Abstract Composition dependence of optical phonon frequency in Zn1-xMnxSe with zinc blende structure is calculated. It shows so called "intermediate mode" behavior. Ordinarily,the value of parameter characterizing effect of fat.tice parameters change on force constants should be different for individual mix-crystal.更多还原