Do the Mixed Crystals HgSeS Exhibit the One-Mode Behavior?
W. Szuszkiewicz, A.M. Witowski
Institute of Experimental Physics, Warsaw University, Hoża 69, 00-681 Warszawa, Poland

C. Julien, M. Balkanski
Laboratoire de Physique des Solides, Université Paris VI, France

K. Dybko, B. Witkowska and A. Mycielski
Institute of Physics, Polish Academy of Sciences, Warszawa, Poland
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The low-temperature far-infrared reflectivity spectra of HgSe and HgSeS are measured and analysed. The results suggest the one-mode behavior of phonon excitations in HgSeS mixed crystals.
DOI: 10.12693/APhysPolA.82.887
PACS numbers: 78.20.Ls, 78.30.Fs