INFLUENCE OF PHONONS AND POLARONS ON INFRARED ABSORPTION OF CADMIUM OXIDE

被引:34
作者
FINKENRATH, H
UHLE, N
WAIDELICH, W
机构
[1] I. Physikalisches Institut der Technischen Hochschule, Darmstadt
关键词
D O I
10.1016/0038-1098(69)90681-4
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
The infrared absorption of CdO-films with electron concentrations from 1015 to 1020 cm-3 was measured at 300 and 85°K up to 50μm. With increasing carrier density, the 'classical' spectral dependence of the electron and lattice absorption is considerably modified. At the short-wave side of the lattice band two sidebands appear. An additional absorption above the LO-lattice frequency can be explained according to the theory of Gurevich by the coupling between electrons and LO-phonons. © 1969.
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页码:11 / +
页数:1
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