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Statements

Subject Item
n2:RIV%2F00216275%3A25310%2F13%3A39896065%21RIV14-MSM-25310___
rdf:type
n8:Vysledek skos:Concept
dcterms: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.
dcterms: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.
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.
skos:notation
RIV/00216275:25310/13:39896065!RIV14-MSM-25310___
n8:predkladatel
n18:orjk%3A25310
n3:aktivita
n15:I n15:P
n3:aktivity
I, P(GA203/09/0827), P(LH11101)
n3:cisloPeriodika
Feb 2013
n3:dodaniDat
n4:2014
n3:domaciTvurceVysledku
n7:9568883 n7:3359301
n3:druhVysledku
n17:J
n3:duvernostUdaju
n19:S
n3:entitaPredkladatele
n13:predkladatel
n3:idSjednocenehoVysledku
98958
n3:idVysledku
RIV/00216275:25310/13:39896065
n3:jazykVysledku
n11:eng
n3:klicovaSlova
MID IR luminescence; chalcogenide glasses
n3:klicoveSlovo
n20:chalcogenide%20glasses n20:MID%20IR%20luminescence
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[3FFE38A47C23]
n3:nazevZdroje
Journal of Luminescence
n3:obor
n12:CA
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
5
n3:projekt
n10:LH11101 n10:GA203%2F09%2F0827
n3:rokUplatneniVysledku
n4:2013
n3:svazekPeriodika
134
n3:tvurceVysledku
Frumarová, Božena Parchanski, Václav Oswald, Jiří Kincl, Miloslav Frumar, Miloslav
n3:wos
000313393300090
s:issn
0022-2313
s:numberOfPages
8
n16:doi
10.1016/j.jlumin.2012.07.029
n14:organizacniJednotka
25310