Abstract
The far-infrared reflectivity spectra of CdTe0.97Se0.03 and CdTe0.97Se0.03(In) single crystals were measured at different temperatures. The analysis of the far-infrared spectra was carried out by a fitting procedure based on the dielectric function which includes spacious distribution of free carrier as well as their influence on the plasmon–phonon interaction. We found that the long wavelength optical phonon modes of CdTe1-xSex mixed crystals exhibit a two-mode behavior. The local In mode at about 160 cm−1 is observed. In both samples, a surface layer with a low concentration of free carriers is formed.
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Acknowledgment
This work was supported under the Agreement of Scientific Collaboration between Polish Academy of Science and Serbian Academy of Sciences and Arts. The work in Serbia was supported by Serbian Ministry of Education, Science and Technological Development (Project 45003) and in Poland by National Science Center granted under decision No. DEC-2011/01/B/ST5/06602.
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Petrović, M. et al. (2016). Optical Properties and Electron–Phonon Interactions of CdTe1-XSex(In) Single Crystal. In: Lee, W., Gadow, R., Mitic, V., Obradovic, N. (eds) Proceedings of the III Advanced Ceramics and Applications Conference. Atlantis Press, Paris. https://doi.org/10.2991/978-94-6239-157-4_13
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DOI: https://doi.org/10.2991/978-94-6239-157-4_13
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