Far infrared properties of PbTe doped with cerium

Nikolić, P. M.; König, W.; Vujatović, S. S.; Blagojević, V.; Luković, D.; Savić, S.; Radulović, K.; Urošević, D.; Nikolić, M. V.

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Far infrared properties of PbTe doped with cerium

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König, W.
Former Scientific Facilities, Max Planck Institute for Solid State Research, Max Planck Society;
Department Solid State Spectroscopy (Bernhard Keimer), Max Planck Institute for Solid State Research, Max Planck Society;

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Citation

Nikolić, P. M., König, W., Vujatović, S. S., Blagojević, V., Luković, D., Savić, S., et al. (2007). Far infrared properties of PbTe doped with cerium. Journal of Alloys and Compounds, 433(1-2), 292-295.

Cite as: https://hdl.handle.net/21.11116/0000-000E-B6DF-A

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 300K 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. (c) 2006 Elsevier B.V. All rights reserved.