| Authors: | Nikolić, Pantelija König, Wolfgang Vujatović, Stevan Blagojević, Vladimir Luković, Danijela Savić, Slavica Radulović, Katarina Urošević, Dragan 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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