Phonon dispersion and polar-optical scattering in 2H PbI2

被引:18
作者
Chang, YC
James, RB
机构
[1] UNIV ILLINOIS,MAT RES LAB,URBANA,IL 61801
[2] SANDIA NATL LABS,ADV ELECT MFG TECHNOL DEPT,LIVERMORE,CA 94551
来源
PHYSICAL REVIEW B | 1997年 / 55卷 / 13期
关键词
D O I
10.1103/PhysRevB.55.8219
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Theoretical studies of phonon-dispersion curves and the polar-optical scattering process for 2H PbI2 are presented. A rigid-ion model with anisotropic effective charges is used to calculate the phonon-dispersion curves. The carrier mobility and its anisotropy due to polar-optical scattering as a function of temperature are calculated. Results are in good agreement with the experimental data.
引用
收藏
页码:8219 / 8225
页数:7
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