Nebojša Romčević (Author), Jelena Trajić (Author), B. Hadžić (Author), Maja J. Romčević (Author), D. Stojanović (Author), Z. Lazarević (Author), T. A. Kuznetsova (Author), D. Khokhlov (Author), Rebeka Rudolf (Author), Ivan Anžel (Author)

Abstract

In this paper, we present room temperature unpolarized Raman scattering spectra of Ni doped PbTe single crystal sample. Crystal of PbTe(Ni) was grown by the Bridgman method. The Ni concentration in the sample used here was 1* 1019 at./cm3. Well resolved peaks appear at about 126, 143, 181, 362 and 724 cm-1. The modes at 126 and 143 cm-1, which are also observed in other telluride compounds, originate from vibrations in TeO2. We assume that the mode at about 181 cm-1 is connected to excitations of a local phonon mode in the vicinity of an impurity atom (donor Ni3+ state). Modes at about 362 cm-1 and 724 cm-1 are the second and fourth harmonic of a local phonon mode, registered here due to multiphonon emission.

Keywords

crystals;Raman scattering;

Data

Language: English
Year of publishing:
Typology: 1.08 - Published Scientific Conference Contribution
Organization: UM FS - Faculty of Mechanical Engineering
UDC: 539
COBISS: 13319446 Link will open in a new window
ISSN: 0587-4246
Views: 1514
Downloads: 95
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Other data

Secondary language: English
URN: URN:SI:UM:
Pages: str. 91-92
Volume: ǂVol. ǂ116
Issue: ǂno. ǂ1
Chronology: July 2009
Keywords (UDC): mathematics;natural sciences;naravoslovne vede;matematika;physics;fizika;physical nature of matter;fizikalna zgradba snovi;
ID: 990854
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