Lattice Dynamic of Ag8SnSe6 Crystal

Authors I.V. Semkiv1 , H.A. Ilchuk1 , A.I. Kashuba2 , R.Yu. Petrus1 , V.V. Kusnezh1
Affiliations

1 Lviv Polytechnic National University, 12, S. Bandera st., 79013 Lviv, Ukraine

2 Ivan Franko National University of Lviv, 8, Kyrylo and Mefodiy st., 79005 Lviv, Ukraine

Е-mail Semkiv.Igor.5@gmail.com
Issue Volume 8, Year 2016, Number 3
Dates Received 28 April 2016; published online 03 October 2016
Citation I.V. Semkiv, H.A. Ilchuk, A.I. Kashuba,et al., J. Nano- Electron. Phys. 8 No 3, 03005 (2016)
DOI 10.21272/jnep.8(3).03005
PACS Number(s) 63.20.D, 71.15.Mb, 71.20.Nr
Keywords Chalcogenides (2) , Argyrodite, Phonon spectra, Selection rules, Phonon modes.
Annotation The synthesis and structure properties of Ag8SnSe6 argyrodite are described. Argyrodite belongs to the orthorhombic space group Pmn21 with 15 atoms per primitive cell. Classification of the main phonon modes of crystal carried out. First-principles phonon-dispersion curves for argyrodite Ag8SnSe6 are calculated. Peak position in Raman spectra and IR-spectra was clarified.

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