Nikolić, Maria Vesna
|Affiliations:||Mathematical Institute of the Serbian Academy of Sciences and Arts||Title:||Far infrared properties of PbTe doped with cerium||Journal:||Journal of Alloys and Compounds||Volume:||433||Issue:||1-2||First page:||292||Last page:||295||Issue Date:||16-May-2007||Rank:||M21a||ISSN:||0925-8388||DOI:||10.1016/j.jallcom.2006.06.066||Abstract:||
Single crystal samples of lead telluride doped with cerium were made using the Bridgman method. Far infrared reflectivity spectra in the temperature range from 10 to 300 K are presented. The experimental data were numerically analyzed using a fitting procedure based on the plasmon-phonon interaction model and optical parameters were determined. Two additional local modes were observed at about 138 and 337 cm-1. The origin of these local vibrational impurity modes was discussed.
|Keywords:||Chalcogenides | Infrared spectroscopy | Semiconductors||Publisher:||Elsevier||Project:||Ministry for Science and Environmental Protection of the Republic of Serbia, project B 6150|
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