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Investigation of the mixed crystals with Raman scattering

机译:拉曼散射的混合晶体调查

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In the paper, results of observations concerned Raman scattering in Zn_(1-x)Be_xSe semiconductor mixed crystals are presented. Measurements of Zn_(1-x)Be_xSe mixed crystals were made for temperatures 292K, 225K, 150K and 77K with Be content included in the range 0 < x < 0.25. From the polarized Raman spectra, the longitudinal optical (LO) and transverse optical (TO) modes that correspond to ZnSe-, BeSe-like single crystals, are distinguished. Theoretical calculations of the frequencies of the ZnSe-, BeSe-like modes of Zn_(1-x)Be_xSe semiconductor mixed crystals were performed using MREI model (Modified Random Element Isodisplacement). Furthermore, the optical modes of Zn_(1-x)Be_xSe were compared for different concentrations of Be.
机译:在本文中,介绍了Zn_(1-x)BE_XSE半导体混合晶体中有关的观察结果。对于温度292k,225k,150k和77k,对Zn_(1-x)Be_xse混合晶体的测量值具有包含在0

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