BeX (X=S, Se和Te)碱土硫化物的声速和热性质

S. Daoud
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引用次数: 4

摘要

采用一些常用的理论和经验公式,对BeX (X=S, Se和Te)铍硫系大禁带半导体的声速和一些热性能进行了估计。本文所用的晶格参数和弹性刚度常数均取自文献。通过与已有实验和理论数据的比较,成功地预测和分析了纵向、横向和平均弹性波速、德拜温度、熔化温度、导热系数和Gruneisen参数。总的来说,我们得到的这些量的结果与文献中的实验和其他理论数据吻合得很好。
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Sound velocities and thermal properties of BeX (X=S, Se and Te) alkaline-earth chalcogenides
The sound velocities and some thermal properties of BeX (X=S, Se and Te) beryllium-chalcogenides large band gaps semiconductors have been estimated by employing some usual theoretical and emperical formulas. The lattice parameters and the elastic stiffness constants used here are taken from the literature. The longitudinal, transverse and average elastic wave velocities, the Debye temperature, the melting temperature, the thermal conductivity and the Gruneisen parameter are successfully predicted and analyzed in comparison with the available experimental and theoretical data. In general, our obtained results of these quantities agree well with the experimental and other theoretical data of the literature.
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