ThuliumV1, Pascal, Curation, bibRecord, 000A53

Effect of cross relaxation on the 1470 and 1800 nm emissions in Tm3+ :TeO2-CdCl2 glass

Identifieur interne : 000A53 ( Pascal/Curation ); précédent : 000A52; suivant : 000A54

Effect of cross relaxation on the 1470 and 1800 nm emissions in Tm3+ :TeO2-CdCl2 glass

Auteurs : Alphan Sennaroglu [Turquie] ; Adnan Kurt [Turquie] ; Gönül Özen [Turquie]

Source :

Journal of physics. Condensed matter : (Print) [ 0953-8984 ] ; 2004.

RBID : Pascal:04-0238973

Descripteurs français

Pascal (Inist)
- Relaxation croisée, Luminescence, Transfert énergie, Dipôle électrique, Diffusion(transport), Verre, Thulium, Actinide, Tm, 78, 66.
Wicri :
- topic : Verre.

English descriptors

KwdEn :
- Actinides, Cross relaxation, Diffusion, Electric dipoles, Energy transfer, Glass, Luminescence, Thulium.

Abstract

We have used spectroscopic methods to investigate the effect of cross relaxation on the 1470 and 1800 nm emissions in Tm³⁺:TeO₂-CdCl₂ glass for Tm³⁺ ion concentrations of 0.05, 0.1, 0.25, 0.5 and 1.0 mol%. The emission spectra obtained under 800 nm excitation reveal the existence of energy transfer via cross relaxation among the Tm³⁺ ions. As a result, as the thulium concentration is increased, the strength of the 1470 nm emission is found to decrease in relation to that of the 1800 nm emission. The analysis of the time evolution of the ³F₄ emission due to the ³F₄ → ³H₆ transition further shows that the electronic mechanism responsible for the ion-ion interaction can be identified as an electric dipole-dipole energy transfer process and occurs in the diffusion-limited relaxation regime. The average critical distance parameter which provides a measure for the strength of cross relaxation was further determined to be 17.9 Å.

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A02	`01`			`@0 JCOMEL`
A03		`1`		`@0 J. phys., Condens. matter : (Print)`
A05				`@2 16`
A06				`@2 15`
A08	`01`	`1`	`ENG`	`@1 Effect of cross relaxation on the 1470 and 1800 nm emissions in Tm³⁺ :TeO₂-CdCl₂ glass`
A11	`01`	`1`		`@1 SENNAROGLU (Alphan)`
A11	`02`	`1`		`@1 KURT (Adnan)`
A11	`03`	`1`		`@1 ÖZEN (Gönül)`
A14	`01`			`@1 Laser Research Laboratory, Departments of Physics and Electrical-Electronics Engineering, Koç University, Rumelifeneri Yolu @2 Sariyer, 34450, Istanbul @3 TUR @Z 1 aut. @Z 2 aut.`
A14	`02`			`@1 Department of Physics, Istanbul Technical University @2 34469, Istanbul @3 TUR @Z 3 aut.`
A20				`@1 2471-2478`
A21				`@1 2004`
A23	`01`			`@0 ENG`
A43	`01`			`@1 INIST @2 577E2 @5 354000116864590080`
A44				`@0 0000 @1 © 2004 INIST-CNRS. All rights reserved.`
A45				`@0 9 ref.`
A47	`01`	`1`		`@0 04-0238973`
A60				`@1 P`
A61				`@0 A`
A64	`01`	`1`		`@0 Journal of physics. Condensed matter : (Print)`
A66	`01`			`@0 GBR`
C01	`01`		`ENG`	@0 We have used spectroscopic methods to investigate the effect of cross relaxation on the 1470 and 1800 nm emissions in Tm³⁺:TeO₂-CdCl₂ glass for Tm³⁺ ion concentrations of 0.05, 0.1, 0.25, 0.5 and 1.0 mol%. The emission spectra obtained under 800 nm excitation reveal the existence of energy transfer via cross relaxation among the Tm³⁺ ions. As a result, as the thulium concentration is increased, the strength of the 1470 nm emission is found to decrease in relation to that of the 1800 nm emission. The analysis of the time evolution of the ³F₄ emission due to the ³F₄ → ³H₆ transition further shows that the electronic mechanism responsible for the ion-ion interaction can be identified as an electric dipole-dipole energy transfer process and occurs in the diffusion-limited relaxation regime. The average critical distance parameter which provides a measure for the strength of cross relaxation was further determined to be 17.9 Å.
C02	`01`	`3`		`@0 001B70H`
C02	`02`	`3`		`@0 001B60F`
C03	`01`	`X`	`FRE`	`@0 Relaxation croisée @5 02`
C03	`01`	`X`	`ENG`	`@0 Cross relaxation @5 02`
C03	`01`	`X`	`SPA`	`@0 Relajación cruzada @5 02`
C03	`02`	`3`	`FRE`	`@0 Luminescence @5 03`
C03	`02`	`3`	`ENG`	`@0 Luminescence @5 03`
C03	`03`	`3`	`FRE`	`@0 Transfert énergie @5 04`
C03	`03`	`3`	`ENG`	`@0 Energy transfer @5 04`
C03	`04`	`3`	`FRE`	`@0 Dipôle électrique @5 05`
C03	`04`	`3`	`ENG`	`@0 Electric dipoles @5 05`
C03	`05`	`3`	`FRE`	`@0 Diffusion(transport) @5 06`
C03	`05`	`3`	`ENG`	`@0 Diffusion @5 06`
C03	`06`	`3`	`FRE`	`@0 Verre @5 15`
C03	`06`	`3`	`ENG`	`@0 Glass @5 15`
C03	`07`	`3`	`FRE`	`@0 Thulium @2 NC @5 16`
C03	`07`	`3`	`ENG`	`@0 Thulium @2 NC @5 16`
C03	`08`	`3`	`FRE`	`@0 Actinide @2 NC @5 48`
C03	`08`	`3`	`ENG`	`@0 Actinides @2 NC @5 48`
C03	`09`	`3`	`FRE`	`@0 Tm @4 INC @5 52`
C03	`10`	`3`	`FRE`	`@0 78 @4 INC @5 56`
C03	`11`	`3`	`FRE`	`@0 66 @4 INC @5 57`
N21				`@1 152`
N82				`@1 OTO`

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Le document en format XML

<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Effect of cross relaxation on the 1470 and 1800 nm emissions in Tm<sup>3+</sup>
 :TeO<sub>2</sub>
-CdCl<sub>2</sub>
 glass</title>
<author><name sortKey="Sennaroglu, Alphan" sort="Sennaroglu, Alphan" uniqKey="Sennaroglu A" first="Alphan" last="Sennaroglu">Alphan Sennaroglu</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Laser Research Laboratory, Departments of Physics and Electrical-Electronics Engineering, Koç University, Rumelifeneri Yolu</s1>
<s2>Sariyer, 34450, Istanbul</s2>
<s3>TUR</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
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<country>Turquie</country>
</affiliation>
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<author><name sortKey="Kurt, Adnan" sort="Kurt, Adnan" uniqKey="Kurt A" first="Adnan" last="Kurt">Adnan Kurt</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Laser Research Laboratory, Departments of Physics and Electrical-Electronics Engineering, Koç University, Rumelifeneri Yolu</s1>
<s2>Sariyer, 34450, Istanbul</s2>
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<sZ>1 aut.</sZ>
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<author><name sortKey="Ozen, Gonul" sort="Ozen, Gonul" uniqKey="Ozen G" first="Gönül" last="Özen">Gönül Özen</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Department of Physics, Istanbul Technical University</s1>
<s2>34469, Istanbul</s2>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Effect of cross relaxation on the 1470 and 1800 nm emissions in Tm<sup>3+</sup>
 :TeO<sub>2</sub>
-CdCl<sub>2</sub>
 glass</title>
<author><name sortKey="Sennaroglu, Alphan" sort="Sennaroglu, Alphan" uniqKey="Sennaroglu A" first="Alphan" last="Sennaroglu">Alphan Sennaroglu</name>
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<author><name sortKey="Kurt, Adnan" sort="Kurt, Adnan" uniqKey="Kurt A" first="Adnan" last="Kurt">Adnan Kurt</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Laser Research Laboratory, Departments of Physics and Electrical-Electronics Engineering, Koç University, Rumelifeneri Yolu</s1>
<s2>Sariyer, 34450, Istanbul</s2>
<s3>TUR</s3>
<sZ>1 aut.</sZ>
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<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Department of Physics, Istanbul Technical University</s1>
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<series><title level="j" type="main">Journal of physics. Condensed matter : (Print)</title>
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<seriesStmt><title level="j" type="main">Journal of physics. Condensed matter : (Print)</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Actinides</term>
<term>Cross relaxation</term>
<term>Diffusion</term>
<term>Electric dipoles</term>
<term>Energy transfer</term>
<term>Glass</term>
<term>Luminescence</term>
<term>Thulium</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Relaxation croisée</term>
<term>Luminescence</term>
<term>Transfert énergie</term>
<term>Dipôle électrique</term>
<term>Diffusion(transport)</term>
<term>Verre</term>
<term>Thulium</term>
<term>Actinide</term>
<term>Tm</term>
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<term>66</term>
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<front><div type="abstract" xml:lang="en">We have used spectroscopic methods to investigate the effect of cross relaxation on the 1470 and 1800 nm emissions in Tm<sup>3+</sup>
:TeO<sub>2</sub>
-CdCl<sub>2</sub>
 glass for Tm<sup>3+</sup>
 ion concentrations of 0.05, 0.1, 0.25, 0.5 and 1.0 mol%. The emission spectra obtained under 800 nm excitation reveal the existence of energy transfer via cross relaxation among the Tm<sup>3+</sup>
 ions. As a result, as the thulium concentration is increased, the strength of the 1470 nm emission is found to decrease in relation to that of the 1800 nm emission. The analysis of the time evolution of the <sup>3</sup>
F<sub>4</sub>
 emission due to the <sup>3</sup>
F<sub>4</sub>
 → <sup>3</sup>
H<sub>6</sub>
 transition further shows that the electronic mechanism responsible for the ion-ion interaction can be identified as an electric dipole-dipole energy transfer process and occurs in the diffusion-limited relaxation regime. The average critical distance parameter which provides a measure for the strength of cross relaxation was further determined to be 17.9 Å.</div>
</front>
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<fA08 i1="01" i2="1" l="ENG"><s1>Effect of cross relaxation on the 1470 and 1800 nm emissions in Tm<sup>3+</sup>
 :TeO<sub>2</sub>
-CdCl<sub>2</sub>
 glass</s1>
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<fA11 i1="01" i2="1"><s1>SENNAROGLU (Alphan)</s1>
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<fA14 i1="01"><s1>Laser Research Laboratory, Departments of Physics and Electrical-Electronics Engineering, Koç University, Rumelifeneri Yolu</s1>
<s2>Sariyer, 34450, Istanbul</s2>
<s3>TUR</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
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<fA14 i1="02"><s1>Department of Physics, Istanbul Technical University</s1>
<s2>34469, Istanbul</s2>
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<fC01 i1="01" l="ENG"><s0>We have used spectroscopic methods to investigate the effect of cross relaxation on the 1470 and 1800 nm emissions in Tm<sup>3+</sup>
:TeO<sub>2</sub>
-CdCl<sub>2</sub>
 glass for Tm<sup>3+</sup>
 ion concentrations of 0.05, 0.1, 0.25, 0.5 and 1.0 mol%. The emission spectra obtained under 800 nm excitation reveal the existence of energy transfer via cross relaxation among the Tm<sup>3+</sup>
 ions. As a result, as the thulium concentration is increased, the strength of the 1470 nm emission is found to decrease in relation to that of the 1800 nm emission. The analysis of the time evolution of the <sup>3</sup>
F<sub>4</sub>
 emission due to the <sup>3</sup>
F<sub>4</sub>
 → <sup>3</sup>
H<sub>6</sub>
 transition further shows that the electronic mechanism responsible for the ion-ion interaction can be identified as an electric dipole-dipole energy transfer process and occurs in the diffusion-limited relaxation regime. The average critical distance parameter which provides a measure for the strength of cross relaxation was further determined to be 17.9 Å.</s0>
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<s5>02</s5>
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<s5>04</s5>
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<s5>06</s5>
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<s5>06</s5>
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<s5>15</s5>
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<s5>15</s5>
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<s2>NC</s2>
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<s2>NC</s2>
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<s5>52</s5>
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<s4>INC</s4>
<s5>56</s5>
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<s4>INC</s4>
<s5>57</s5>
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</fN21>
<fN82><s1>OTO</s1>
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</standard>
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</record>

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Effect of cross relaxation on the 1470 and 1800 nm emissions in Tm3+ :TeO2-CdCl2 glass

Effect of cross relaxation on the 1470 and 1800 nm emissions in Tm3+ :TeO2-CdCl2 glass

Source :

Descripteurs français

English descriptors

Abstract

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