Far infrared properties of iron doped single crystal PbTe
Authors
Nikolić, Pantelija M.
Luković, Danijela
König, Wolfgang
Nikolić, Maria Vesna

Blagojević, Vladimir D.
Vujatović, Stevan S.
Savić, Slavica M.

Stamenović, Bojana
Article (Published version)

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Show full item recordAbstract
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.
Keywords:
far-infrared reflectivity / plasmon-phonon interaction / semiconductorsSource:
Journal of Optoelectronics and Advanced Materials, 2008, 10, 1, 145-148Publisher:
- Măgurele : National Institute of Research and Development for Optoelectronics
Projects:
- Investigation of the relation in triad: Synthesis structure-properties for functional materials (RS-142011)