About: Electronic and optical features of the mixed crystals Ag0.5Pb1.75Ge(S1-xSex)(4)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	single crystal with the Ag0.5Pb1.75GeS3Se composition (25 mol% Ag0.5Pb1.75GeSe4) was grown and characterized. Its phase diagram was explored. The section is non-quasi-binary. The role of defects in the conductivity mechanism was explored by electrical, optical and photoconductivity measurements. The band gap value was around 2.0 eV at 100 K. Two photoconductivity maxima with lambda(m1) = 615 nm and lambda(m2) = 775 nm were dominant at 100 K. We have performed X-ray crystallographic data analysis of Ag0.5Pb1.75GeS3Se and the obtained data were used as the starting point for a comprehensive theoretical investigation of the electronic structure using the all-electron full potential linearized augmented plane wave method within density functional theory. The calculations have confirmed that the investigated compound possesses an indirect band gap of about 1.6 eV in good agreement with the experimental value. The angular momentum decomposition of the atoms projected density of states show there exists a strong hybridization between various states, and evaluated the origin of the chemical bonding. single crystal with the Ag0.5Pb1.75GeS3Se composition (25 mol% Ag0.5Pb1.75GeSe4) was grown and characterized. Its phase diagram was explored. The section is non-quasi-binary. The role of defects in the conductivity mechanism was explored by electrical, optical and photoconductivity measurements. The band gap value was around 2.0 eV at 100 K. Two photoconductivity maxima with lambda(m1) = 615 nm and lambda(m2) = 775 nm were dominant at 100 K. We have performed X-ray crystallographic data analysis of Ag0.5Pb1.75GeS3Se and the obtained data were used as the starting point for a comprehensive theoretical investigation of the electronic structure using the all-electron full potential linearized augmented plane wave method within density functional theory. The calculations have confirmed that the investigated compound possesses an indirect band gap of about 1.6 eV in good agreement with the experimental value. The angular momentum decomposition of the atoms projected density of states show there exists a strong hybridization between various states, and evaluated the origin of the chemical bonding. (en)
Title	Electronic and optical features of the mixed crystals Ag0.5Pb1.75Ge(S1-xSex)(4) Electronic and optical features of the mixed crystals Ag0.5Pb1.75Ge(S1-xSex)(4) (en)
skos:prefLabel	Electronic and optical features of the mixed crystals Ag0.5Pb1.75Ge(S1-xSex)(4) Electronic and optical features of the mixed crystals Ag0.5Pb1.75Ge(S1-xSex)(4) (en)
skos:notation	RIV/68407700:21220/13:00210094!RIV14-MSM-21220___
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(ED2.1.00/01.0024), S
http://linked.open...iv/cisloPeriodika	31
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	AL- JAARY, Ali Reshak Bíla, Jiří
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta strojní
http://linked.open...dnocenehoVysledku	72416
http://linked.open...ai/riv/idVysledku	RIV/68407700:21220/13:00210094
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	PROUSTITE; SPECTRA; AG (en)
http://linked.open.../riv/klicoveSlovo	AG PROUSTITE SPECTRA
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[B322A84D70B3]
http://linked.open...i/riv/nazevZdroje	Journal of Materials Chemistry C
http://linked.open...in/vavai/riv/obor	CG
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	10 (xsd:int)
http://linked.open...vavai/riv/projekt	South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	1
http://linked.open...iv/tvurceVysledku	Auluck, S. Bíla, Jiří Kamarudin, H. Plucinski, K. J. Myronchuk, G. L. Parasyuk, O. V. Fedorchuk, A. O. AL- JAARY, Ali Reshak Kogut, Y. M. Zamuruyeva, O.V., O. V.
http://linked.open...ain/vavai/riv/wos	000322028700008
issn	2050-7526
number of pages	9 (xsd:int)
http://localhost/t...ganizacniJednotka	21220

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