Optical far infrared properties of PtSb2
Vujatović, Stevan S.
Paraskevopoulos, Konstantinos M.
Zorba, Triantafyllia T.
Aleksić, Obrad S.
Blagojević, Vladimir D.
Nikolić, Maria Vesna
Nikolić, Pantelija M.
Article (Published version)
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Far infrared reflection spectra measured at room temperature were used to investigate vibrational properties of PtSb2 single crystals. The experimental results were analyzed using a dielectric function taking into account the existence of plasmonionised impurity-phonon interactions. Together with strong coupling three infrared active lattice modes at about 143, 187 and 202 cm-1 were observed. These results were discussed with respect to calculated literature vibrational frequencies. Electrical properties of single crystal PtSb2 were also measured at room temperature.
Keywords:far infrared reflectivity / PtSb2
Source:Optoelectronics and Advanced Materials, Rapid Communications, 2010, 4, 5, 668-670
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