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Title: | Absorption edge of Sn(Pb)2P2S(Se)e crystals under hydrostatic pressure |
Authors: | Slivka, A.G. Сливка, Олександр Георгійович |
Keywords: | Urbach absorption edge, ferroelectrics, phase transitions, hydrostatic pressure |
Issue Date: | 2001 |
Citation: | Slivka A.G. Absorption edge of Sn(Pb)2P2S(Se)e crystals under hydrostatic pressure // Ukrainian Journal of Physical Optics. Num. 4, Vol. 2, 2001/ - P. 171-178. |
Series/Report no.: | Ukrainian Journal of Physical Optics; |
Abstract: | The experimental studies of hydrostatic pressure effect upon fundamental optical absorption spectra in Sn(Pb)2P2S(Se)6 mixed crystals of different composition are carried out. The increase of Pb content in (PbySn1-y)2P2S6, (PbySn)2P2Se6 crystals is shown to result in the enhancement of electron-phonon interaction and to the reduction of the energy gap deformation potential Dg. Isomorphous substitution of S by Se in the Sn2P2(SxS1-x)6 solid solution row does not affect significantly the electron-phonon interaction value and Dg. |
Description: | doi 10.3116/16091833/2/4/171/2001 |
Type: | Text |
Publication type: | Стаття |
URI: | https://dspace.uzhnu.edu.ua/jspui/handle/lib/41727 |
Appears in Collections: | Наукові публікації кафедри прикладної фізики |
Files in This Item:
File | Description | Size | Format | |
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2001-171-178.pdf | 328.12 kB | Adobe PDF | View/Open |
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