ThuliumV1, Pascal, Corpus, bibRecord, 000A07

Pr3+ and Tm3+ containing transparent glass ceramics in the GeO2-PbO-PbF2-LnF3 system

Identifieur interne : 000A07 ( Pascal/Corpus ); précédent : 000A06; suivant : 000A08

Pr3+ and Tm3+ containing transparent glass ceramics in the GeO2-PbO-PbF2-LnF3 system

Auteurs : B. Klimesz ; G. Dominiak-Dzik ; P. Solarz ; M. Zelechower ; W. Ryba-Romanowski

Source :

Journal of alloys and compounds [ 0925-8388 ] ; 2004.

RBID : Pascal:04-0601458

Descripteurs français

Pascal (Inist)
- Analyse thermique différentielle, Transition vitreuse, Cristallisation, Traitement thermique, Précipitation, Formation verre, Mesure acoustique, Essai émission acoustique, Fluorescence, Spectre absorption, Propriété optique, Composition chimique, Matériau transparent, Vitrocéramique, Oxyfluorure, Verre, Pr, Tm, 6470P, 7855Q.

English descriptors

KwdEn :
- Absorption spectra, Acoustic emission testing, Acoustic measurement, Chemical composition, Crystallization, Differential thermal analysis, Fluorescence, Glass, Glass ceramics, Glass formation, Glass transition, Heat treatments, Optical properties, Oxyfluorides, Precipitation, Transparent material.

Abstract

Oxyfluoride glasses with composition 50GeO₂-(50-x)PbO-xPbF₂ (x ≤ 15 mol%) containing praseodymium or thulium were melted from commercial raw materials in normal atmosphere. Based on the results of differential thermal analysis (DTA), glass transition temperatures and oxide glass crystallisation temperatures have been derived. Then the glass samples were thermally treated in order to achieve controlled precipitation of PbF₂. Process of formation of glass ceramics has been monitored with the aid of the DTA and X-ray measurements. The control acoustic emission (AE) measurements confirm the DTA results. It has been found that after heat treatment the crystallisation temperatures of investigated materials have been changed due to the PbF₂ content and kind of doped ions. The influence of the kind of doped ions on the glass stability was observed. The effect of thermal treatment on the absorption spectra and kinetics of the fluorescent levels of Pr³⁺ and Tm³⁺ was studied. In the case of Tm³⁺ doped systems it was found that this effect on the relaxation of the ¹G₄ level was weak, whereas the decay of the ³H₄ level was slower by a factor of 3 roughly with respect to that recorded with as-melted glass. Relaxation rates of the ³P₀ and ¹D₂ levels of Pr³⁺ showed marked dependence on both the PbF₂ and Pr^3- content in as-melted glass and in glass ceramics.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

A01	`01`	`1`		`@0 0925-8388`
A03		`1`		`@0 J. alloys compd.`
A05				`@2 382`
A08	`01`	`1`	`ENG`	`@1 Pr³⁺ and Tm³⁺ containing transparent glass ceramics in the GeO₂-PbO-PbF₂-LnF₃ system`
A09	`01`	`1`	`ENG`	`@1 Proceedings of the European Materials Research Society Fall Meeting, Symposium B, September 15-19, 2003, Warsaw, Poland`
A11	`01`	`1`		`@1 KLIMESZ (B.)`
A11	`02`	`1`		`@1 DOMINIAK-DZIK (G.)`
A11	`03`	`1`		`@1 SOLARZ (P.)`
A11	`04`	`1`		`@1 ZELECHOWER (M.)`
A11	`05`	`1`		`@1 RYBA-ROMANOWSKI (W.)`
A12	`01`	`1`		`@1 PASZKOWICZ (W.) @9 ed.`
A12	`02`	`1`		`@1 PELKA (J. B.) @9 ed.`
A14	`01`			`@1 Physical Laboratory, Opole Technical University, ul. Ozimska 75 @2 Opole 45-370 @3 POL @Z 1 aut.`
A14	`02`			`@1 Institute of Low Temperature and Structure Research, Polish Academy of Sciences, ul. Okólna 2 @2 50-395 Wroclaw @3 POL @Z 2 aut. @Z 3 aut. @Z 5 aut.`
A14	`03`			`@1 Department of Material Science, Silesian University of Technology, ul. Krasiñskiego 8 @2 Katowice 40-019 @3 POL @Z 4 aut.`
A15	`01`			`@1 Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46 @2 02-668 Warsaw @3 POL @Z 1 aut. @Z 2 aut.`
A18	`01`	`1`		`@1 European Materials Research Society (E-MRS) @2 67037 Strasbourg @3 FRA @9 patr.`
A20				`@1 292-299`
A21				`@1 2004`
A23	`01`			`@0 ENG`
A43	`01`			`@1 INIST @2 1151 @5 354000122631830470`
A44				`@0 0000 @1 © 2004 INIST-CNRS. All rights reserved.`
A45				`@0 8 ref.`
A47	`01`	`1`		`@0 04-0601458`
A60				`@1 P @2 C`
A61				`@0 A`
A64	`01`	`1`		`@0 Journal of alloys and compounds`
A66	`01`			`@0 CHE`
C01	`01`		`ENG`	@0 Oxyfluoride glasses with composition 50GeO₂-(50-x)PbO-xPbF₂ (x ≤ 15 mol%) containing praseodymium or thulium were melted from commercial raw materials in normal atmosphere. Based on the results of differential thermal analysis (DTA), glass transition temperatures and oxide glass crystallisation temperatures have been derived. Then the glass samples were thermally treated in order to achieve controlled precipitation of PbF₂. Process of formation of glass ceramics has been monitored with the aid of the DTA and X-ray measurements. The control acoustic emission (AE) measurements confirm the DTA results. It has been found that after heat treatment the crystallisation temperatures of investigated materials have been changed due to the PbF₂ content and kind of doped ions. The influence of the kind of doped ions on the glass stability was observed. The effect of thermal treatment on the absorption spectra and kinetics of the fluorescent levels of Pr³⁺ and Tm³⁺ was studied. In the case of Tm³⁺ doped systems it was found that this effect on the relaxation of the ¹G₄ level was weak, whereas the decay of the ³H₄ level was slower by a factor of 3 roughly with respect to that recorded with as-melted glass. Relaxation rates of the ³P₀ and ¹D₂ levels of Pr³⁺ showed marked dependence on both the PbF₂ and Pr^3- content in as-melted glass and in glass ceramics.
C02	`01`	`3`		`@0 001B60D70P`
C02	`02`	`3`		`@0 001B70H55Q`
C03	`01`	`3`	`FRE`	`@0 Analyse thermique différentielle @5 02`
C03	`01`	`3`	`ENG`	`@0 Differential thermal analysis @5 02`
C03	`02`	`3`	`FRE`	`@0 Transition vitreuse @5 03`
C03	`02`	`3`	`ENG`	`@0 Glass transition @5 03`
C03	`03`	`3`	`FRE`	`@0 Cristallisation @5 04`
C03	`03`	`3`	`ENG`	`@0 Crystallization @5 04`
C03	`04`	`3`	`FRE`	`@0 Traitement thermique @5 05`
C03	`04`	`3`	`ENG`	`@0 Heat treatments @5 05`
C03	`05`	`3`	`FRE`	`@0 Précipitation @5 06`
C03	`05`	`3`	`ENG`	`@0 Precipitation @5 06`
C03	`06`	`3`	`FRE`	`@0 Formation verre @5 07`
C03	`06`	`3`	`ENG`	`@0 Glass formation @5 07`
C03	`07`	`3`	`FRE`	`@0 Mesure acoustique @5 08`
C03	`07`	`3`	`ENG`	`@0 Acoustic measurement @5 08`
C03	`08`	`3`	`FRE`	`@0 Essai émission acoustique @5 09`
C03	`08`	`3`	`ENG`	`@0 Acoustic emission testing @5 09`
C03	`09`	`3`	`FRE`	`@0 Fluorescence @5 10`
C03	`09`	`3`	`ENG`	`@0 Fluorescence @5 10`
C03	`10`	`3`	`FRE`	`@0 Spectre absorption @5 11`
C03	`10`	`3`	`ENG`	`@0 Absorption spectra @5 11`
C03	`11`	`3`	`FRE`	`@0 Propriété optique @5 12`
C03	`11`	`3`	`ENG`	`@0 Optical properties @5 12`
C03	`12`	`3`	`FRE`	`@0 Composition chimique @5 13`
C03	`12`	`3`	`ENG`	`@0 Chemical composition @5 13`
C03	`13`	`X`	`FRE`	`@0 Matériau transparent @5 15`
C03	`13`	`X`	`ENG`	`@0 Transparent material @5 15`
C03	`13`	`X`	`SPA`	`@0 Material transparente @5 15`
C03	`14`	`3`	`FRE`	`@0 Vitrocéramique @5 16`
C03	`14`	`3`	`ENG`	`@0 Glass ceramics @5 16`
C03	`15`	`3`	`FRE`	`@0 Oxyfluorure @2 NA @5 17`
C03	`15`	`3`	`ENG`	`@0 Oxyfluorides @2 NA @5 17`
C03	`16`	`3`	`FRE`	`@0 Verre @5 18`
C03	`16`	`3`	`ENG`	`@0 Glass @5 18`
C03	`17`	`3`	`FRE`	`@0 Pr @4 INC @5 52`
C03	`18`	`3`	`FRE`	`@0 Tm @4 INC @5 53`
C03	`19`	`3`	`FRE`	`@0 6470P @4 INC @5 56`
C03	`20`	`3`	`FRE`	`@0 7855Q @4 INC @5 57`
C07	`01`	`3`	`FRE`	`@0 Lanthanide @2 NC @5 48`
C07	`01`	`3`	`ENG`	`@0 Rare earths @2 NC @5 48`
C07	`02`	`3`	`FRE`	`@0 Actinide @2 NC @5 49`
C07	`02`	`3`	`ENG`	`@0 Actinides @2 NC @5 49`
N21				`@1 348`
N44	`01`			`@1 PSI`
N82				`@1 PSI`

A30	`01`	`1`	`ENG`	`@1 European Materials Research Society Fall Meeting. Symposium B @3 Warsaw POL @4 2003-09-15`

Format Inist (serveur)

NO :	PASCAL 04-0601458 INIST
ET :	Pr³⁺ and Tm³⁺ containing transparent glass ceramics in the GeO₂-PbO-PbF₂-LnF₃ system
AU :	KLIMESZ (B.); DOMINIAK-DZIK (G.); SOLARZ (P.); ZELECHOWER (M.); RYBA-ROMANOWSKI (W.); PASZKOWICZ (W.); PELKA (J. B.)
AF :	Physical Laboratory, Opole Technical University, ul. Ozimska 75/Opole 45-370/Pologne (1 aut.); Institute of Low Temperature and Structure Research, Polish Academy of Sciences, ul. Okólna 2/50-395 Wroclaw/Pologne (2 aut., 3 aut., 5 aut.); Department of Material Science, Silesian University of Technology, ul. Krasiñskiego 8/Katowice 40-019/Pologne (4 aut.); Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46/02-668 Warsaw/Pologne (1 aut., 2 aut.)
DT :	Publication en série; Congrès; Niveau analytique
SO :	Journal of alloys and compounds; ISSN 0925-8388; Suisse; Da. 2004; Vol. 382; Pp. 292-299; Bibl. 8 ref.
LA :	Anglais
EA :	Oxyfluoride glasses with composition 50GeO₂-(50-x)PbO-xPbF₂ (x ≤ 15 mol%) containing praseodymium or thulium were melted from commercial raw materials in normal atmosphere. Based on the results of differential thermal analysis (DTA), glass transition temperatures and oxide glass crystallisation temperatures have been derived. Then the glass samples were thermally treated in order to achieve controlled precipitation of PbF₂. Process of formation of glass ceramics has been monitored with the aid of the DTA and X-ray measurements. The control acoustic emission (AE) measurements confirm the DTA results. It has been found that after heat treatment the crystallisation temperatures of investigated materials have been changed due to the PbF₂ content and kind of doped ions. The influence of the kind of doped ions on the glass stability was observed. The effect of thermal treatment on the absorption spectra and kinetics of the fluorescent levels of Pr³⁺ and Tm³⁺ was studied. In the case of Tm³⁺ doped systems it was found that this effect on the relaxation of the ¹G₄ level was weak, whereas the decay of the ³H₄ level was slower by a factor of 3 roughly with respect to that recorded with as-melted glass. Relaxation rates of the ³P₀ and ¹D₂ levels of Pr³⁺ showed marked dependence on both the PbF₂ and Pr^3- content in as-melted glass and in glass ceramics.
CC :	001B60D70P; 001B70H55Q
FD :	Analyse thermique différentielle; Transition vitreuse; Cristallisation; Traitement thermique; Précipitation; Formation verre; Mesure acoustique; Essai émission acoustique; Fluorescence; Spectre absorption; Propriété optique; Composition chimique; Matériau transparent; Vitrocéramique; Oxyfluorure; Verre; Pr; Tm; 6470P; 7855Q
FG :	Lanthanide; Actinide
ED :	Differential thermal analysis; Glass transition; Crystallization; Heat treatments; Precipitation; Glass formation; Acoustic measurement; Acoustic emission testing; Fluorescence; Absorption spectra; Optical properties; Chemical composition; Transparent material; Glass ceramics; Oxyfluorides; Glass
EG :	Rare earths; Actinides
SD :	Material transparente
LO :	INIST-1151.354000122631830470
ID :	04-0601458

Links to Exploration step

Pascal:04-0601458

Le document en format XML

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 and Tm<sup>3+</sup>
 containing transparent glass ceramics in the GeO<sub>2</sub>
-PbO-PbF<sub>2</sub>
-LnF<sub>3</sub>
 system</title>
<author><name sortKey="Klimesz, B" sort="Klimesz, B" uniqKey="Klimesz B" first="B." last="Klimesz">B. Klimesz</name>
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<author><name sortKey="Zelechower, M" sort="Zelechower, M" uniqKey="Zelechower M" first="M." last="Zelechower">M. Zelechower</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Pr<sup>3+</sup>
 and Tm<sup>3+</sup>
 containing transparent glass ceramics in the GeO<sub>2</sub>
-PbO-PbF<sub>2</sub>
-LnF<sub>3</sub>
 system</title>
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<author><name sortKey="Dominiak Dzik, G" sort="Dominiak Dzik, G" uniqKey="Dominiak Dzik G" first="G." last="Dominiak-Dzik">G. Dominiak-Dzik</name>
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<s2>50-395 Wroclaw</s2>
<s3>POL</s3>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>5 aut.</sZ>
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</author>
<author><name sortKey="Solarz, P" sort="Solarz, P" uniqKey="Solarz P" first="P." last="Solarz">P. Solarz</name>
<affiliation><inist:fA14 i1="02"><s1>Institute of Low Temperature and Structure Research, Polish Academy of Sciences, ul. Okólna 2</s1>
<s2>50-395 Wroclaw</s2>
<s3>POL</s3>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>5 aut.</sZ>
</inist:fA14>
</affiliation>
</author>
<author><name sortKey="Zelechower, M" sort="Zelechower, M" uniqKey="Zelechower M" first="M." last="Zelechower">M. Zelechower</name>
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<s2>Katowice 40-019</s2>
<s3>POL</s3>
<sZ>4 aut.</sZ>
</inist:fA14>
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</author>
<author><name sortKey="Ryba Romanowski, W" sort="Ryba Romanowski, W" uniqKey="Ryba Romanowski W" first="W." last="Ryba-Romanowski">W. Ryba-Romanowski</name>
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<s3>POL</s3>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>5 aut.</sZ>
</inist:fA14>
</affiliation>
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<series><title level="j" type="main">Journal of alloys and compounds</title>
<title level="j" type="abbreviated">J. alloys compd.</title>
<idno type="ISSN">0925-8388</idno>
<imprint><date when="2004">2004</date>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Absorption spectra</term>
<term>Acoustic emission testing</term>
<term>Acoustic measurement</term>
<term>Chemical composition</term>
<term>Crystallization</term>
<term>Differential thermal analysis</term>
<term>Fluorescence</term>
<term>Glass</term>
<term>Glass ceramics</term>
<term>Glass formation</term>
<term>Glass transition</term>
<term>Heat treatments</term>
<term>Optical properties</term>
<term>Oxyfluorides</term>
<term>Precipitation</term>
<term>Transparent material</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Analyse thermique différentielle</term>
<term>Transition vitreuse</term>
<term>Cristallisation</term>
<term>Traitement thermique</term>
<term>Précipitation</term>
<term>Formation verre</term>
<term>Mesure acoustique</term>
<term>Essai émission acoustique</term>
<term>Fluorescence</term>
<term>Spectre absorption</term>
<term>Propriété optique</term>
<term>Composition chimique</term>
<term>Matériau transparent</term>
<term>Vitrocéramique</term>
<term>Oxyfluorure</term>
<term>Verre</term>
<term>Pr</term>
<term>Tm</term>
<term>6470P</term>
<term>7855Q</term>
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<front><div type="abstract" xml:lang="en">Oxyfluoride glasses with composition 50GeO<sub>2</sub>
-(50-x)PbO-xPbF<sub>2</sub>
 (x ≤ 15 mol%) containing praseodymium or thulium were melted from commercial raw materials in normal atmosphere. Based on the results of differential thermal analysis (DTA), glass transition temperatures and oxide glass crystallisation temperatures have been derived. Then the glass samples were thermally treated in order to achieve controlled precipitation of PbF<sub>2</sub>
. Process of formation of glass ceramics has been monitored with the aid of the DTA and X-ray measurements. The control acoustic emission (AE) measurements confirm the DTA results. It has been found that after heat treatment the crystallisation temperatures of investigated materials have been changed due to the PbF<sub>2</sub>
 content and kind of doped ions. The influence of the kind of doped ions on the glass stability was observed. The effect of thermal treatment on the absorption spectra and kinetics of the fluorescent levels of Pr<sup>3+</sup>
 and Tm<sup>3+</sup>
 was studied. In the case of Tm<sup>3+</sup>
 doped systems it was found that this effect on the relaxation of the <sup>1</sup>
G<sub>4</sub>
 level was weak, whereas the decay of the <sup>3</sup>
H<sub>4</sub>
 level was slower by a factor of 3 roughly with respect to that recorded with as-melted glass. Relaxation rates of the <sup>3</sup>
P<sub>0</sub>
 and <sup>1</sup>
D<sub>2</sub>
 levels of Pr<sup>3+</sup>
 showed marked dependence on both the PbF<sub>2</sub>
 and Pr<sup>3-</sup>
 content in as-melted glass and in glass ceramics.</div>
</front>
</TEI>
<inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0925-8388</s0>
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<fA03 i2="1"><s0>J. alloys compd.</s0>
</fA03>
<fA05><s2>382</s2>
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<fA08 i1="01" i2="1" l="ENG"><s1>Pr<sup>3+</sup>
 and Tm<sup>3+</sup>
 containing transparent glass ceramics in the GeO<sub>2</sub>
-PbO-PbF<sub>2</sub>
-LnF<sub>3</sub>
 system</s1>
</fA08>
<fA09 i1="01" i2="1" l="ENG"><s1>Proceedings of the European Materials Research Society Fall Meeting, Symposium B, September 15-19, 2003, Warsaw, Poland</s1>
</fA09>
<fA11 i1="01" i2="1"><s1>KLIMESZ (B.)</s1>
</fA11>
<fA11 i1="02" i2="1"><s1>DOMINIAK-DZIK (G.)</s1>
</fA11>
<fA11 i1="03" i2="1"><s1>SOLARZ (P.)</s1>
</fA11>
<fA11 i1="04" i2="1"><s1>ZELECHOWER (M.)</s1>
</fA11>
<fA11 i1="05" i2="1"><s1>RYBA-ROMANOWSKI (W.)</s1>
</fA11>
<fA12 i1="01" i2="1"><s1>PASZKOWICZ (W.)</s1>
<s9>ed.</s9>
</fA12>
<fA12 i1="02" i2="1"><s1>PELKA (J. B.)</s1>
<s9>ed.</s9>
</fA12>
<fA14 i1="01"><s1>Physical Laboratory, Opole Technical University, ul. Ozimska 75</s1>
<s2>Opole 45-370</s2>
<s3>POL</s3>
<sZ>1 aut.</sZ>
</fA14>
<fA14 i1="02"><s1>Institute of Low Temperature and Structure Research, Polish Academy of Sciences, ul. Okólna 2</s1>
<s2>50-395 Wroclaw</s2>
<s3>POL</s3>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>5 aut.</sZ>
</fA14>
<fA14 i1="03"><s1>Department of Material Science, Silesian University of Technology, ul. Krasiñskiego 8</s1>
<s2>Katowice 40-019</s2>
<s3>POL</s3>
<sZ>4 aut.</sZ>
</fA14>
<fA15 i1="01"><s1>Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46</s1>
<s2>02-668 Warsaw</s2>
<s3>POL</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
</fA15>
<fA18 i1="01" i2="1"><s1>European Materials Research Society (E-MRS)</s1>
<s2>67037 Strasbourg</s2>
<s3>FRA</s3>
<s9>patr.</s9>
</fA18>
<fA20><s1>292-299</s1>
</fA20>
<fA21><s1>2004</s1>
</fA21>
<fA23 i1="01"><s0>ENG</s0>
</fA23>
<fA43 i1="01"><s1>INIST</s1>
<s2>1151</s2>
<s5>354000122631830470</s5>
</fA43>
<fA44><s0>0000</s0>
<s1>© 2004 INIST-CNRS. All rights reserved.</s1>
</fA44>
<fA45><s0>8 ref.</s0>
</fA45>
<fA47 i1="01" i2="1"><s0>04-0601458</s0>
</fA47>
<fA60><s1>P</s1>
<s2>C</s2>
</fA60>
<fA61><s0>A</s0>
</fA61>
<fA64 i1="01" i2="1"><s0>Journal of alloys and compounds</s0>
</fA64>
<fA66 i1="01"><s0>CHE</s0>
</fA66>
<fC01 i1="01" l="ENG"><s0>Oxyfluoride glasses with composition 50GeO<sub>2</sub>
-(50-x)PbO-xPbF<sub>2</sub>
 (x ≤ 15 mol%) containing praseodymium or thulium were melted from commercial raw materials in normal atmosphere. Based on the results of differential thermal analysis (DTA), glass transition temperatures and oxide glass crystallisation temperatures have been derived. Then the glass samples were thermally treated in order to achieve controlled precipitation of PbF<sub>2</sub>
. Process of formation of glass ceramics has been monitored with the aid of the DTA and X-ray measurements. The control acoustic emission (AE) measurements confirm the DTA results. It has been found that after heat treatment the crystallisation temperatures of investigated materials have been changed due to the PbF<sub>2</sub>
 content and kind of doped ions. The influence of the kind of doped ions on the glass stability was observed. The effect of thermal treatment on the absorption spectra and kinetics of the fluorescent levels of Pr<sup>3+</sup>
 and Tm<sup>3+</sup>
 was studied. In the case of Tm<sup>3+</sup>
 doped systems it was found that this effect on the relaxation of the <sup>1</sup>
G<sub>4</sub>
 level was weak, whereas the decay of the <sup>3</sup>
H<sub>4</sub>
 level was slower by a factor of 3 roughly with respect to that recorded with as-melted glass. Relaxation rates of the <sup>3</sup>
P<sub>0</sub>
 and <sup>1</sup>
D<sub>2</sub>
 levels of Pr<sup>3+</sup>
 showed marked dependence on both the PbF<sub>2</sub>
 and Pr<sup>3-</sup>
 content in as-melted glass and in glass ceramics.</s0>
</fC01>
<fC02 i1="01" i2="3"><s0>001B60D70P</s0>
</fC02>
<fC02 i1="02" i2="3"><s0>001B70H55Q</s0>
</fC02>
<fC03 i1="01" i2="3" l="FRE"><s0>Analyse thermique différentielle</s0>
<s5>02</s5>
</fC03>
<fC03 i1="01" i2="3" l="ENG"><s0>Differential thermal analysis</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="3" l="FRE"><s0>Transition vitreuse</s0>
<s5>03</s5>
</fC03>
<fC03 i1="02" i2="3" l="ENG"><s0>Glass transition</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="3" l="FRE"><s0>Cristallisation</s0>
<s5>04</s5>
</fC03>
<fC03 i1="03" i2="3" l="ENG"><s0>Crystallization</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="3" l="FRE"><s0>Traitement thermique</s0>
<s5>05</s5>
</fC03>
<fC03 i1="04" i2="3" l="ENG"><s0>Heat treatments</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="3" l="FRE"><s0>Précipitation</s0>
<s5>06</s5>
</fC03>
<fC03 i1="05" i2="3" l="ENG"><s0>Precipitation</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="3" l="FRE"><s0>Formation verre</s0>
<s5>07</s5>
</fC03>
<fC03 i1="06" i2="3" l="ENG"><s0>Glass formation</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="3" l="FRE"><s0>Mesure acoustique</s0>
<s5>08</s5>
</fC03>
<fC03 i1="07" i2="3" l="ENG"><s0>Acoustic measurement</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="3" l="FRE"><s0>Essai émission acoustique</s0>
<s5>09</s5>
</fC03>
<fC03 i1="08" i2="3" l="ENG"><s0>Acoustic emission testing</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="3" l="FRE"><s0>Fluorescence</s0>
<s5>10</s5>
</fC03>
<fC03 i1="09" i2="3" l="ENG"><s0>Fluorescence</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="3" l="FRE"><s0>Spectre absorption</s0>
<s5>11</s5>
</fC03>
<fC03 i1="10" i2="3" l="ENG"><s0>Absorption spectra</s0>
<s5>11</s5>
</fC03>
<fC03 i1="11" i2="3" l="FRE"><s0>Propriété optique</s0>
<s5>12</s5>
</fC03>
<fC03 i1="11" i2="3" l="ENG"><s0>Optical properties</s0>
<s5>12</s5>
</fC03>
<fC03 i1="12" i2="3" l="FRE"><s0>Composition chimique</s0>
<s5>13</s5>
</fC03>
<fC03 i1="12" i2="3" l="ENG"><s0>Chemical composition</s0>
<s5>13</s5>
</fC03>
<fC03 i1="13" i2="X" l="FRE"><s0>Matériau transparent</s0>
<s5>15</s5>
</fC03>
<fC03 i1="13" i2="X" l="ENG"><s0>Transparent material</s0>
<s5>15</s5>
</fC03>
<fC03 i1="13" i2="X" l="SPA"><s0>Material transparente</s0>
<s5>15</s5>
</fC03>
<fC03 i1="14" i2="3" l="FRE"><s0>Vitrocéramique</s0>
<s5>16</s5>
</fC03>
<fC03 i1="14" i2="3" l="ENG"><s0>Glass ceramics</s0>
<s5>16</s5>
</fC03>
<fC03 i1="15" i2="3" l="FRE"><s0>Oxyfluorure</s0>
<s2>NA</s2>
<s5>17</s5>
</fC03>
<fC03 i1="15" i2="3" l="ENG"><s0>Oxyfluorides</s0>
<s2>NA</s2>
<s5>17</s5>
</fC03>
<fC03 i1="16" i2="3" l="FRE"><s0>Verre</s0>
<s5>18</s5>
</fC03>
<fC03 i1="16" i2="3" l="ENG"><s0>Glass</s0>
<s5>18</s5>
</fC03>
<fC03 i1="17" i2="3" l="FRE"><s0>Pr</s0>
<s4>INC</s4>
<s5>52</s5>
</fC03>
<fC03 i1="18" i2="3" l="FRE"><s0>Tm</s0>
<s4>INC</s4>
<s5>53</s5>
</fC03>
<fC03 i1="19" i2="3" l="FRE"><s0>6470P</s0>
<s4>INC</s4>
<s5>56</s5>
</fC03>
<fC03 i1="20" i2="3" l="FRE"><s0>7855Q</s0>
<s4>INC</s4>
<s5>57</s5>
</fC03>
<fC07 i1="01" i2="3" l="FRE"><s0>Lanthanide</s0>
<s2>NC</s2>
<s5>48</s5>
</fC07>
<fC07 i1="01" i2="3" l="ENG"><s0>Rare earths</s0>
<s2>NC</s2>
<s5>48</s5>
</fC07>
<fC07 i1="02" i2="3" l="FRE"><s0>Actinide</s0>
<s2>NC</s2>
<s5>49</s5>
</fC07>
<fC07 i1="02" i2="3" l="ENG"><s0>Actinides</s0>
<s2>NC</s2>
<s5>49</s5>
</fC07>
<fN21><s1>348</s1>
</fN21>
<fN44 i1="01"><s1>PSI</s1>
</fN44>
<fN82><s1>PSI</s1>
</fN82>
</pA>
<pR><fA30 i1="01" i2="1" l="ENG"><s1>European Materials Research Society Fall Meeting. Symposium B</s1>
<s3>Warsaw POL</s3>
<s4>2003-09-15</s4>
</fA30>
</pR>
</standard>
<server><NO>PASCAL 04-0601458 INIST</NO>
<ET>Pr<sup>3+</sup>
 and Tm<sup>3+</sup>
 containing transparent glass ceramics in the GeO<sub>2</sub>
-PbO-PbF<sub>2</sub>
-LnF<sub>3</sub>
 system</ET>
<AU>KLIMESZ (B.); DOMINIAK-DZIK (G.); SOLARZ (P.); ZELECHOWER (M.); RYBA-ROMANOWSKI (W.); PASZKOWICZ (W.); PELKA (J. B.)</AU>
<AF>Physical Laboratory, Opole Technical University, ul. Ozimska 75/Opole 45-370/Pologne (1 aut.); Institute of Low Temperature and Structure Research, Polish Academy of Sciences, ul. Okólna 2/50-395 Wroclaw/Pologne (2 aut., 3 aut., 5 aut.); Department of Material Science, Silesian University of Technology, ul. Krasiñskiego 8/Katowice 40-019/Pologne (4 aut.); Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46/02-668 Warsaw/Pologne (1 aut., 2 aut.)</AF>
<DT>Publication en série; Congrès; Niveau analytique</DT>
<SO>Journal of alloys and compounds; ISSN 0925-8388; Suisse; Da. 2004; Vol. 382; Pp. 292-299; Bibl. 8 ref.</SO>
<LA>Anglais</LA>
<EA>Oxyfluoride glasses with composition 50GeO<sub>2</sub>
-(50-x)PbO-xPbF<sub>2</sub>
 (x ≤ 15 mol%) containing praseodymium or thulium were melted from commercial raw materials in normal atmosphere. Based on the results of differential thermal analysis (DTA), glass transition temperatures and oxide glass crystallisation temperatures have been derived. Then the glass samples were thermally treated in order to achieve controlled precipitation of PbF<sub>2</sub>
. Process of formation of glass ceramics has been monitored with the aid of the DTA and X-ray measurements. The control acoustic emission (AE) measurements confirm the DTA results. It has been found that after heat treatment the crystallisation temperatures of investigated materials have been changed due to the PbF<sub>2</sub>
 content and kind of doped ions. The influence of the kind of doped ions on the glass stability was observed. The effect of thermal treatment on the absorption spectra and kinetics of the fluorescent levels of Pr<sup>3+</sup>
 and Tm<sup>3+</sup>
 was studied. In the case of Tm<sup>3+</sup>
 doped systems it was found that this effect on the relaxation of the <sup>1</sup>
G<sub>4</sub>
 level was weak, whereas the decay of the <sup>3</sup>
H<sub>4</sub>
 level was slower by a factor of 3 roughly with respect to that recorded with as-melted glass. Relaxation rates of the <sup>3</sup>
P<sub>0</sub>
 and <sup>1</sup>
D<sub>2</sub>
 levels of Pr<sup>3+</sup>
 showed marked dependence on both the PbF<sub>2</sub>
 and Pr<sup>3-</sup>
 content in as-melted glass and in glass ceramics.</EA>
<CC>001B60D70P; 001B70H55Q</CC>
<FD>Analyse thermique différentielle; Transition vitreuse; Cristallisation; Traitement thermique; Précipitation; Formation verre; Mesure acoustique; Essai émission acoustique; Fluorescence; Spectre absorption; Propriété optique; Composition chimique; Matériau transparent; Vitrocéramique; Oxyfluorure; Verre; Pr; Tm; 6470P; 7855Q</FD>
<FG>Lanthanide; Actinide</FG>
<ED>Differential thermal analysis; Glass transition; Crystallization; Heat treatments; Precipitation; Glass formation; Acoustic measurement; Acoustic emission testing; Fluorescence; Absorption spectra; Optical properties; Chemical composition; Transparent material; Glass ceramics; Oxyfluorides; Glass</ED>
<EG>Rare earths; Actinides</EG>
<SD>Material transparente</SD>
<LO>INIST-1151.354000122631830470</LO>
<ID>04-0601458</ID>
</server>
</inist>
</record>

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Pr3+ and Tm3+ containing transparent glass ceramics in the GeO2-PbO-PbF2-LnF3 system

Pr3+ and Tm3+ containing transparent glass ceramics in the GeO2-PbO-PbF2-LnF3 system

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