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Statements

Subject Item
n2:RIV%2F67985882%3A_____%2F11%3A00366611%21RIV12-AV0-67985882
rdf:type
skos:Concept n18:Vysledek
dcterms:description
Glasses in the PbCl(2)-Sb(2)O(3)-TeO(2) ternary system were prepared, characterized and their characteristic temperatures and glass stability were determined by thermal analysis. The most stable glass compositions were found in the TeO(2) rich area of the ternary diagram. Selected glass compositions from this group were doped with Er(3+), Nd(3+) or Pr(3+) ions. Changes in composition during the melting process were investigated, and the chemical analysis was performed using an electron microscope coupled with an EDS analyser. Optical characterizations include the transmission spectroscopy and low temperature photoluminescence (PL) measurements. The studied glasses are transparent up to 80%, and their transparency region falls between 400 nmand 6 mu m. The refraction index was found to be around 2.2. A broad band centred around 970 nm was observed in the PL spectra of base glass systems. Rare earth doped samples exhibit all absorption bands in the investigated region of spectra (300-1100 nm) and also emission peaks in the range of 800-1800 nm. The re-absorption of base glass luminescence, in the case of Er(3+) doped samples, was observed at low temperature and it correlates well with (4)I(11/2) -> (4)I(15/2) transition at 980 nm. The re-absorption effect disappears above 200 K. Glasses in the PbCl(2)-Sb(2)O(3)-TeO(2) ternary system were prepared, characterized and their characteristic temperatures and glass stability were determined by thermal analysis. The most stable glass compositions were found in the TeO(2) rich area of the ternary diagram. Selected glass compositions from this group were doped with Er(3+), Nd(3+) or Pr(3+) ions. Changes in composition during the melting process were investigated, and the chemical analysis was performed using an electron microscope coupled with an EDS analyser. Optical characterizations include the transmission spectroscopy and low temperature photoluminescence (PL) measurements. The studied glasses are transparent up to 80%, and their transparency region falls between 400 nmand 6 mu m. The refraction index was found to be around 2.2. A broad band centred around 970 nm was observed in the PL spectra of base glass systems. Rare earth doped samples exhibit all absorption bands in the investigated region of spectra (300-1100 nm) and also emission peaks in the range of 800-1800 nm. The re-absorption of base glass luminescence, in the case of Er(3+) doped samples, was observed at low temperature and it correlates well with (4)I(11/2) -> (4)I(15/2) transition at 980 nm. The re-absorption effect disappears above 200 K.
dcterms:title
Preparation and optical characterization of PbCl(2)-Sb(2)O(3)-TeO(2) glasses doped with rare earth elements Preparation and optical characterization of PbCl(2)-Sb(2)O(3)-TeO(2) glasses doped with rare earth elements
skos:prefLabel
Preparation and optical characterization of PbCl(2)-Sb(2)O(3)-TeO(2) glasses doped with rare earth elements Preparation and optical characterization of PbCl(2)-Sb(2)O(3)-TeO(2) glasses doped with rare earth elements
skos:notation
RIV/67985882:_____/11:00366611!RIV12-AV0-67985882
n18:predkladatel
n19:ico%3A67985882
n3:aktivita
n6:Z n6:P
n3:aktivity
P(GA104/08/0734), Z(AV0Z20670512), Z(AV0Z40320502)
n3:cisloPeriodika
8
n3:dodaniDat
n9:2012
n3:domaciTvurceVysledku
n5:2040980
n3:druhVysledku
n11:J
n3:duvernostUdaju
n20:S
n3:entitaPredkladatele
n4:predkladatel
n3:idSjednocenehoVysledku
223051
n3:idVysledku
RIV/67985882:_____/11:00366611
n3:jazykVysledku
n12:eng
n3:klicovaSlova
glass; heavy metal oxides; optical properties; photoluminescence
n3:klicoveSlovo
n7:optical%20properties n7:glass n7:heavy%20metal%20oxides n7:photoluminescence
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[E891F8DC2275]
n3:nazevZdroje
Physica Status Solidi. A
n3:obor
n14:JH
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
4
n3:projekt
n16:GA104%2F08%2F0734
n3:rokUplatneniVysledku
n9:2011
n3:svazekPeriodika
208
n3:tvurceVysledku
Zavadil, Jiří Kostka, Petr Pedlíková, Jitka Poulain, M.
n3:wos
000294619600015
n3:zamer
n13:AV0Z40320502 n13:AV0Z20670512
s:issn
1862-6300
s:numberOfPages
6
n8:doi
10.1002/pssa.201084098