Far infrared properties of iron doped single crystal PbTe

被引：0
|
作者：
Nikolic, P. M.
Lukovic, D.
Konig, W. [1 ]
Nikolic, M. V. [2 ]
Blagojevic, V. [3 ]
Vujatovic, S. S.
Savic, S.
Stamenovic, B.
机构：
[1] Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany
[2] Univ Belgrade, Ctr Multidisciplinary Studies, YU-11000 Belgrade, Serbia
[3] Univ Belgrade, Fac Elect Engn, YU-11001 Belgrade, Serbia
来源：
JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS | 2008年 / 10卷 / 01期
关键词：
semiconductors; far-infrared reflectivity; plasmon-phonon interaction;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Far infrared reflectivity spectra of single crystal PbTe samples doped with 0.2 at% Fe were measured in the temperature range between 10 K and 300 K. These spectra show very sharp and narrow dips below 120 cm(-1). The experimental data were numerically analyzed using a fitting procedure based on the plasmon-phonon interaction model. Two local modes were observed. The first one was noted between 130 cm(-1) and 170 cm(-1) depending on the temperature and the second more frequency stable one was noted at about 230 cm(-1).
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页码：145 / 148
页数：4
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