About: Preparation and physical properties of luminescent 80GeSe(2) center dot (20-x)Sb2Se3 center dot xSb(2)Te(y):Pr2Se3 glasses; x=0, 1, 3, 10; y=2, 3, 4.

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About: Preparation and physical properties of luminescent 80GeSe(2) center dot (20-x)Sb2Se3 center dot xSb(2)Te(y):Pr2Se3 glasses; x=0, 1, 3, 10; y=2, 3, 4. Goto Sponge Distinct Permalink

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Description	Homogeneous glasses of the system 80GeSe(2) center dot (20-x)Sb2Se3 center dot xSb(2)Te(y):0.03Pr(2)Se(3) glasses; x=0, 1, 3, 10; y=2, 3, 4 were prepared. The glasses with x=0-3 are very stable without any crystallization for T { 600 degrees C. The T-g values (261-309 degrees C) and the E-g(opt) values (1.30-1.70 eV) are decreasing with the Te content. The index of refraction is high (2.55-2.73 for 2200 nm), it is increasing with increasing Te content. The Raman spectra revealed presence of GeSe4/2 tetrahedra, Ge2Se6/2 bi-tetrahedra and SbSe3/2 trigonal pyramids in studied glasses. The tellurium atoms are forming SbSe2Te and SbSeTe2 distorted pyramids. The strong luminescence corresponding to 4f transitions in Pr3+ ions was found in spectral regions (1100-1450 nm, 1500-1700 nm, 1750-2000, 2000-2600 nm and 3600-5200 nm; lambda(exc)=980, 1050 and 1550 nm). The intensities of luminescence bands depend on their composition. Homogeneous glasses of the system 80GeSe(2) center dot (20-x)Sb2Se3 center dot xSb(2)Te(y):0.03Pr(2)Se(3) glasses; x=0, 1, 3, 10; y=2, 3, 4 were prepared. The glasses with x=0-3 are very stable without any crystallization for T { 600 degrees C. The T-g values (261-309 degrees C) and the E-g(opt) values (1.30-1.70 eV) are decreasing with the Te content. The index of refraction is high (2.55-2.73 for 2200 nm), it is increasing with increasing Te content. The Raman spectra revealed presence of GeSe4/2 tetrahedra, Ge2Se6/2 bi-tetrahedra and SbSe3/2 trigonal pyramids in studied glasses. The tellurium atoms are forming SbSe2Te and SbSeTe2 distorted pyramids. The strong luminescence corresponding to 4f transitions in Pr3+ ions was found in spectral regions (1100-1450 nm, 1500-1700 nm, 1750-2000, 2000-2600 nm and 3600-5200 nm; lambda(exc)=980, 1050 and 1550 nm). The intensities of luminescence bands depend on their composition. (en)
Title	Preparation and physical properties of luminescent 80GeSe(2) center dot (20-x)Sb2Se3 center dot xSb(2)Te(y):Pr2Se3 glasses; x=0, 1, 3, 10; y=2, 3, 4. Preparation and physical properties of luminescent 80GeSe(2) center dot (20-x)Sb2Se3 center dot xSb(2)Te(y):Pr2Se3 glasses; x=0, 1, 3, 10; y=2, 3, 4. (en)
skos:prefLabel	Preparation and physical properties of luminescent 80GeSe(2) center dot (20-x)Sb2Se3 center dot xSb(2)Te(y):Pr2Se3 glasses; x=0, 1, 3, 10; y=2, 3, 4. Preparation and physical properties of luminescent 80GeSe(2) center dot (20-x)Sb2Se3 center dot xSb(2)Te(y):Pr2Se3 glasses; x=0, 1, 3, 10; y=2, 3, 4. (en)
skos:notation	RIV/00216275:25310/13:39896065!RIV14-MSM-25310___
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GA203/09/0827), P(LH11101)
http://linked.open...iv/cisloPeriodika	Feb 2013
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Frumar, Miloslav Parchanski, Václav
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	Univerzita Pardubice / Fakulta chemicko-technologická
http://linked.open...dnocenehoVysledku	98958
http://linked.open...ai/riv/idVysledku	RIV/00216275:25310/13:39896065
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	MID IR luminescence; chalcogenide glasses (en)
http://linked.open.../riv/klicoveSlovo	MID IR luminescence chalcogenide glasses
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[3FFE38A47C23]
http://linked.open...i/riv/nazevZdroje	Journal of Luminescence
http://linked.open...in/vavai/riv/obor	CA
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Rare-earth doped cover glasses for the enhanced solar coversion efficiencies Rare-earth doped chalcogenide glasses - materials for active application in near- and mid-IR spectral region
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	134
http://linked.open...iv/tvurceVysledku	Frumar, Miloslav Frumarová, Božena Oswald, Jiří Parchanski, Václav Kincl, Miloslav
http://linked.open...ain/vavai/riv/wos	000313393300090
issn	0022-2313
number of pages	8 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.jlumin.2012.07.029
http://localhost/t...ganizacniJednotka	25310

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