Blue, green, yellow and red upconversion fluorescence in Tm3+/Ho3+:Cs2NaGdCl6 crystals under 785 nm laser excitation
Identifieur interne :
000670 ( Pascal/Corpus );
précédent :
000669;
suivant :
000671
Blue, green, yellow and red upconversion fluorescence in Tm3+/Ho3+:Cs2NaGdCl6 crystals under 785 nm laser excitation
Auteurs : DIANYUAN WANG ;
YANYAN GUO ;
GUANGHOU SUN ;
JIE LI ;
LEI ZHAO ;
GAOPING XUSource :
-
Journal of alloys and compounds [ 0925-8388 ] ; 2008.
RBID : Pascal:08-0239077
Descripteurs français
- Pascal (Inist)
- Conversion fréquence,
Fluorescence,
Dopage,
Codopage,
Addition holmium,
Photoluminescence,
Transfert énergie,
Addition thulium,
Transition niveau énergie,
Pompage par laser,
Césium Gadolinium Sodium Chlorure Mixte.
English descriptors
- KwdEn :
- Cesium Gadolinium Sodium Chlorides Mixed,
Codoping,
Doping,
Energy transfer,
Energy-level transitions,
Fluorescence,
Frequency conversion,
Holmium additions,
Laser pumping,
Photoluminescence,
Thulium additions.
Abstract
1% Tm3+, 10% Ho3+ single-doped and 10% Tm3+, 10% Ho3+ co-doped Cs2NaGdCl6 samples were synthesized by Morss method E. Under 785 nm semiconductor laser pumping, the upconversion fluorescence in Tm3+ single-doped and Tm3+, Ho3+ co-doped Cs2NaGdCl6 was investigated at room temperature. For 1% Tm3+-doped sample, three upconversion emission bands near 483 nm, 658 nm and 701 nm were obtained and assigned to be 1 G4 → 3H6, 1G4 → 3F4 and 3F3 → 3H6, respectively. For 10% Tm3+, 10% Ho3+ co-doped sample, four strong upconverted emissions near 492 nm (blue), 543 nm (green), 588 nm (yellow) and 657 nm (red) were measured and assigned to be 5F3 → 5I8, 5S2 → 5I8, 5G4 → 5I6 and 5F5 → 5I8 transitions of Ho3+ ions. With the help of the measuring power dependence of all these upconversion emissions, a reasonable upconversion mechanism model responsible for them was presented. The analysis of these upconversion emissions confirmed the efficient energy transfer from Tm3+(3F4) to Ho3+(5I7) ions.
Notice en format standard (ISO 2709)
Pour connaître la documentation sur le format Inist Standard.
| pA |
| A01 | 01 | 1 | | @0 0925-8388 |
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| A03 | | 1 | | @0 J. alloys compd. |
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| A05 | | | | @2 451 |
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| A06 | | | | @2 1-2 |
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| A08 | 01 | 1 | ENG | @1 Blue, green, yellow and red upconversion fluorescence in Tm3+/Ho3+:Cs2NaGdCl6 crystals under 785 nm laser excitation |
|---|
| A09 | 01 | 1 | ENG | @1 The 6th International Conference on f-Elements (ICFE-6), September 4-9, 2006, Wrocław, Poland |
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| A11 | 01 | 1 | | @1 DIANYUAN WANG |
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| A11 | 02 | 1 | | @1 YANYAN GUO |
|---|
| A11 | 03 | 1 | | @1 GUANGHOU SUN |
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| A11 | 04 | 1 | | @1 JIE LI |
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| A11 | 05 | 1 | | @1 LEI ZHAO |
|---|
| A11 | 06 | 1 | | @1 GAOPING XU |
|---|
| A12 | 01 | 1 | | @1 LEGENDZIEWICZ (J.) @9 ed. |
|---|
| A12 | 02 | 1 | | @1 HANUZA (J.) @9 ed. |
|---|
| A12 | 03 | 1 | | @1 MALTA (O.) @9 ed. |
|---|
| A12 | 04 | 1 | | @1 STREK (W.) @9 ed. |
|---|
| A14 | 01 | | | @1 Department of Physics, College of Science, Jiujiang University @2 Jiujiang 332005 @3 CHN @Z 1 aut. @Z 3 aut. @Z 4 aut. @Z 5 aut. @Z 6 aut. |
|---|
| A14 | 02 | | | @1 College of Mechanical Engineering, Jiujiang University @2 Jiujiang 332005 @3 CHN @Z 2 aut. |
|---|
| A20 | | | | @1 122-124 |
|---|
| A21 | | | | @1 2008 |
|---|
| A23 | 01 | | | @0 ENG |
|---|
| A43 | 01 | | | @1 INIST @2 1151 @5 354000175013970240 |
|---|
| A44 | | | | @0 0000 @1 © 2008 INIST-CNRS. All rights reserved. |
|---|
| A45 | | | | @0 16 ref. |
|---|
| A47 | 01 | 1 | | @0 08-0239077 |
|---|
| 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 1% Tm3+, 10% Ho3+ single-doped and 10% Tm3+, 10% Ho3+ co-doped Cs2NaGdCl6 samples were synthesized by Morss method E. Under 785 nm semiconductor laser pumping, the upconversion fluorescence in Tm3+ single-doped and Tm3+, Ho3+ co-doped Cs2NaGdCl6 was investigated at room temperature. For 1% Tm3+-doped sample, three upconversion emission bands near 483 nm, 658 nm and 701 nm were obtained and assigned to be 1 G4 → 3H6, 1G4 → 3F4 and 3F3 → 3H6, respectively. For 10% Tm3+, 10% Ho3+ co-doped sample, four strong upconverted emissions near 492 nm (blue), 543 nm (green), 588 nm (yellow) and 657 nm (red) were measured and assigned to be 5F3 → 5I8, 5S2 → 5I8, 5G4 → 5I6 and 5F5 → 5I8 transitions of Ho3+ ions. With the help of the measuring power dependence of all these upconversion emissions, a reasonable upconversion mechanism model responsible for them was presented. The analysis of these upconversion emissions confirmed the efficient energy transfer from Tm3+(3F4) to Ho3+(5I7) ions. |
|---|
| C02 | 01 | 3 | | @0 001B70H55H |
|---|
| C03 | 01 | X | FRE | @0 Conversion fréquence @5 02 |
|---|
| C03 | 01 | X | ENG | @0 Frequency conversion @5 02 |
|---|
| C03 | 01 | X | SPA | @0 Conversión frecuencia @5 02 |
|---|
| C03 | 02 | 3 | FRE | @0 Fluorescence @5 03 |
|---|
| C03 | 02 | 3 | ENG | @0 Fluorescence @5 03 |
|---|
| C03 | 03 | X | FRE | @0 Dopage @5 04 |
|---|
| C03 | 03 | X | ENG | @0 Doping @5 04 |
|---|
| C03 | 03 | X | SPA | @0 Doping @5 04 |
|---|
| C03 | 04 | X | FRE | @0 Codopage @5 05 |
|---|
| C03 | 04 | X | ENG | @0 Codoping @5 05 |
|---|
| C03 | 04 | X | SPA | @0 Codrogado @5 05 |
|---|
| C03 | 05 | 3 | FRE | @0 Addition holmium @5 06 |
|---|
| C03 | 05 | 3 | ENG | @0 Holmium additions @5 06 |
|---|
| C03 | 06 | 3 | FRE | @0 Photoluminescence @5 07 |
|---|
| C03 | 06 | 3 | ENG | @0 Photoluminescence @5 07 |
|---|
| C03 | 07 | 3 | FRE | @0 Transfert énergie @5 08 |
|---|
| C03 | 07 | 3 | ENG | @0 Energy transfer @5 08 |
|---|
| C03 | 08 | 3 | FRE | @0 Addition thulium @5 09 |
|---|
| C03 | 08 | 3 | ENG | @0 Thulium additions @5 09 |
|---|
| C03 | 09 | 3 | FRE | @0 Transition niveau énergie @5 10 |
|---|
| C03 | 09 | 3 | ENG | @0 Energy-level transitions @5 10 |
|---|
| C03 | 10 | 3 | FRE | @0 Pompage par laser @5 11 |
|---|
| C03 | 10 | 3 | ENG | @0 Laser pumping @5 11 |
|---|
| C03 | 11 | X | FRE | @0 Césium Gadolinium Sodium Chlorure Mixte @2 NC @2 NA @5 12 |
|---|
| C03 | 11 | X | ENG | @0 Cesium Gadolinium Sodium Chlorides Mixed @2 NC @2 NA @5 12 |
|---|
| C03 | 11 | X | SPA | @0 Mixto @2 NC @2 NA @5 12 |
|---|
| N21 | | | | @1 154 |
|---|
|
|---|
| pR |
| A30 | 01 | 1 | ENG | @1 International Conference on f-Elements (ICFE-6) @2 6 @3 Wrocław POL @4 2009-09-04 |
|---|
|
|---|
Format Inist (serveur)
| NO : | PASCAL 08-0239077 INIST |
|---|
| ET : | Blue, green, yellow and red upconversion fluorescence in Tm3+/Ho3+:Cs2NaGdCl6 crystals under 785 nm laser excitation |
|---|
| AU : | DIANYUAN WANG; YANYAN GUO; GUANGHOU SUN; JIE LI; LEI ZHAO; GAOPING XU; LEGENDZIEWICZ (J.); HANUZA (J.); MALTA (O.); STREK (W.) |
|---|
| AF : | Department of Physics, College of Science, Jiujiang University/Jiujiang 332005/Chine (1 aut., 3 aut., 4 aut., 5 aut., 6 aut.); College of Mechanical Engineering, Jiujiang University/Jiujiang 332005/Chine (2 aut.) |
|---|
| DT : | Publication en série; Congrès; Niveau analytique |
|---|
| SO : | Journal of alloys and compounds; ISSN 0925-8388; Suisse; Da. 2008; Vol. 451; No. 1-2; Pp. 122-124; Bibl. 16 ref. |
|---|
| LA : | Anglais |
|---|
| EA : | 1% Tm3+, 10% Ho3+ single-doped and 10% Tm3+, 10% Ho3+ co-doped Cs2NaGdCl6 samples were synthesized by Morss method E. Under 785 nm semiconductor laser pumping, the upconversion fluorescence in Tm3+ single-doped and Tm3+, Ho3+ co-doped Cs2NaGdCl6 was investigated at room temperature. For 1% Tm3+-doped sample, three upconversion emission bands near 483 nm, 658 nm and 701 nm were obtained and assigned to be 1 G4 → 3H6, 1G4 → 3F4 and 3F3 → 3H6, respectively. For 10% Tm3+, 10% Ho3+ co-doped sample, four strong upconverted emissions near 492 nm (blue), 543 nm (green), 588 nm (yellow) and 657 nm (red) were measured and assigned to be 5F3 → 5I8, 5S2 → 5I8, 5G4 → 5I6 and 5F5 → 5I8 transitions of Ho3+ ions. With the help of the measuring power dependence of all these upconversion emissions, a reasonable upconversion mechanism model responsible for them was presented. The analysis of these upconversion emissions confirmed the efficient energy transfer from Tm3+(3F4) to Ho3+(5I7) ions. |
|---|
| CC : | 001B70H55H |
|---|
| FD : | Conversion fréquence; Fluorescence; Dopage; Codopage; Addition holmium; Photoluminescence; Transfert énergie; Addition thulium; Transition niveau énergie; Pompage par laser; Césium Gadolinium Sodium Chlorure Mixte |
|---|
| ED : | Frequency conversion; Fluorescence; Doping; Codoping; Holmium additions; Photoluminescence; Energy transfer; Thulium additions; Energy-level transitions; Laser pumping; Cesium Gadolinium Sodium Chlorides Mixed |
|---|
| SD : | Conversión frecuencia; Doping; Codrogado; Mixto |
|---|
| LO : | INIST-1151.354000175013970240 |
|---|
| ID : | 08-0239077 |
|---|
Links to Exploration step
Pascal:08-0239077
Le document en format XML
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/Ho<sup>3+</sup>
:Cs<sub>2</sub>
NaGdCl<sub>6</sub>
crystals under 785 nm laser excitation</title><author><name sortKey="Dianyuan Wang" sort="Dianyuan Wang" uniqKey="Dianyuan Wang" last="Dianyuan Wang">DIANYUAN WANG</name>
<affiliation><inist:fA14 i1="01"><s1>Department of Physics, College of Science, Jiujiang University</s1>
<s2>Jiujiang 332005</s2>
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<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
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</inist:fA14><author><name sortKey="Yanyan Guo" sort="Yanyan Guo" uniqKey="Yanyan Guo" last="Yanyan Guo">YANYAN GUO</name>
<affiliation><inist:fA14 i1="02"><s1>College of Mechanical Engineering, Jiujiang University</s1>
<s2>Jiujiang 332005</s2>
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<sZ>2 aut.</sZ>
</inist:fA14><author><name sortKey="Guanghou Sun" sort="Guanghou Sun" uniqKey="Guanghou Sun" last="Guanghou Sun">GUANGHOU SUN</name>
<affiliation><inist:fA14 i1="01"><s1>Department of Physics, College of Science, Jiujiang University</s1>
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<s3>CHN</s3>
<sZ>1 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
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</inist:fA14><author><name sortKey="Jie Li" sort="Jie Li" uniqKey="Jie Li" last="Jie Li">JIE LI</name>
<affiliation><inist:fA14 i1="01"><s1>Department of Physics, College of Science, Jiujiang University</s1>
<s2>Jiujiang 332005</s2>
<s3>CHN</s3>
<sZ>1 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
</inist:fA14><author><name sortKey="Lei Zhao" sort="Lei Zhao" uniqKey="Lei Zhao" last="Lei Zhao">LEI ZHAO</name>
<affiliation><inist:fA14 i1="01"><s1>Department of Physics, College of Science, Jiujiang University</s1>
<s2>Jiujiang 332005</s2>
<s3>CHN</s3>
<sZ>1 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
</inist:fA14><author><name sortKey="Gaoping Xu" sort="Gaoping Xu" uniqKey="Gaoping Xu" last="Gaoping Xu">GAOPING XU</name>
<affiliation><inist:fA14 i1="01"><s1>Department of Physics, College of Science, Jiujiang University</s1>
<s2>Jiujiang 332005</s2>
<s3>CHN</s3>
<sZ>1 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
</inist:fA14><publicationStmt><idno type="wicri:source">INIST</idno>
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<date when="2008">2008</date>
<idno type="stanalyst">PASCAL 08-0239077 INIST</idno>
<idno type="RBID">Pascal:08-0239077</idno>
<idno type="wicri:Area/Pascal/Corpus">000670</idno>
</publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Blue, green, yellow and red upconversion fluorescence in Tm<sup>3+</sup>
/Ho<sup>3+</sup>
:Cs<sub>2</sub>
NaGdCl<sub>6</sub>
crystals under 785 nm laser excitation</title><author><name sortKey="Dianyuan Wang" sort="Dianyuan Wang" uniqKey="Dianyuan Wang" last="Dianyuan Wang">DIANYUAN WANG</name>
<affiliation><inist:fA14 i1="01"><s1>Department of Physics, College of Science, Jiujiang University</s1>
<s2>Jiujiang 332005</s2>
<s3>CHN</s3>
<sZ>1 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
</inist:fA14><author><name sortKey="Yanyan Guo" sort="Yanyan Guo" uniqKey="Yanyan Guo" last="Yanyan Guo">YANYAN GUO</name>
<affiliation><inist:fA14 i1="02"><s1>College of Mechanical Engineering, Jiujiang University</s1>
<s2>Jiujiang 332005</s2>
<s3>CHN</s3>
<sZ>2 aut.</sZ>
</inist:fA14><author><name sortKey="Guanghou Sun" sort="Guanghou Sun" uniqKey="Guanghou Sun" last="Guanghou Sun">GUANGHOU SUN</name>
<affiliation><inist:fA14 i1="01"><s1>Department of Physics, College of Science, Jiujiang University</s1>
<s2>Jiujiang 332005</s2>
<s3>CHN</s3>
<sZ>1 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
</inist:fA14><author><name sortKey="Jie Li" sort="Jie Li" uniqKey="Jie Li" last="Jie Li">JIE LI</name>
<affiliation><inist:fA14 i1="01"><s1>Department of Physics, College of Science, Jiujiang University</s1>
<s2>Jiujiang 332005</s2>
<s3>CHN</s3>
<sZ>1 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
</inist:fA14><author><name sortKey="Lei Zhao" sort="Lei Zhao" uniqKey="Lei Zhao" last="Lei Zhao">LEI ZHAO</name>
<affiliation><inist:fA14 i1="01"><s1>Department of Physics, College of Science, Jiujiang University</s1>
<s2>Jiujiang 332005</s2>
<s3>CHN</s3>
<sZ>1 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
</inist:fA14><author><name sortKey="Gaoping Xu" sort="Gaoping Xu" uniqKey="Gaoping Xu" last="Gaoping Xu">GAOPING XU</name>
<affiliation><inist:fA14 i1="01"><s1>Department of Physics, College of Science, Jiujiang University</s1>
<s2>Jiujiang 332005</s2>
<s3>CHN</s3>
<sZ>1 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
</inist:fA14><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="2008">2008</date>
</imprint><seriesStmt><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>
</seriesStmt><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Cesium Gadolinium Sodium Chlorides Mixed</term>
<term>Codoping</term>
<term>Doping</term>
<term>Energy transfer</term>
<term>Energy-level transitions</term>
<term>Fluorescence</term>
<term>Frequency conversion</term>
<term>Holmium additions</term>
<term>Laser pumping</term>
<term>Photoluminescence</term>
<term>Thulium additions</term>
</keywords><keywords scheme="Pascal" xml:lang="fr"><term>Conversion fréquence</term>
<term>Fluorescence</term>
<term>Dopage</term>
<term>Codopage</term>
<term>Addition holmium</term>
<term>Photoluminescence</term>
<term>Transfert énergie</term>
<term>Addition thulium</term>
<term>Transition niveau énergie</term>
<term>Pompage par laser</term>
<term>Césium Gadolinium Sodium Chlorure Mixte</term>
</keywords><front><div type="abstract" xml:lang="en">1% Tm<sup>3+</sup>
, 10% Ho<sup>3+</sup>
single-doped and 10% Tm<sup>3+</sup>
, 10% Ho<sup>3+</sup>
co-doped Cs<sub>2</sub>
NaGdCl<sub>6</sub>
samples were synthesized by Morss method E. Under 785 nm semiconductor laser pumping, the upconversion fluorescence in Tm<sup>3+</sup>
single-doped and Tm<sup>3+</sup>
, Ho<sup>3+</sup>
co-doped Cs<sub>2</sub>
NaGdCl<sub>6</sub>
was investigated at room temperature. For 1% Tm<sup>3+</sup>
-doped sample, three upconversion emission bands near 483 nm, 658 nm and 701 nm were obtained and assigned to be <sup>1</sup>
G<sub>4</sub>
→ <sup>3</sup>
H<sub>6</sub>
, <sup>1</sup>
G<sub>4</sub>
→ <sup>3</sup>
F<sub>4</sub>
and <sup>3</sup>
F<sub>3</sub>
→ 3H<sub>6</sub>
, respectively. For 10% Tm<sup>3+</sup>
, 10% Ho<sup>3+</sup>
co-doped sample, four strong upconverted emissions near 492 nm (blue), 543 nm (green), 588 nm (yellow) and 657 nm (red) were measured and assigned to be <sup>5</sup>
F<sub>3</sub>
→ <sup>5</sup>
I<sub>8</sub>
, <sup>5</sup>
S<sub>2</sub>
→ <sup>5</sup>
I<sub>8</sub>
, <sup>5</sup>
G<sub>4</sub>
→ <sup>5</sup>
I<sub>6</sub>
and <sup>5</sup>
F<sub>5</sub>
→ <sup>5</sup>
I<sub>8</sub>
transitions of Ho<sup>3+</sup>
ions. With the help of the measuring power dependence of all these upconversion emissions, a reasonable upconversion mechanism model responsible for them was presented. The analysis of these upconversion emissions confirmed the efficient energy transfer from Tm<sup>3+</sup>
(<sup>3</sup>
F<sub>4</sub>
) to Ho<sup>3+</sup>
(<sup>5</sup>
I<sub>7</sub>
) ions.</div><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0925-8388</s0>
</fA01><fA03 i2="1"><s0>J. alloys compd.</s0>
</fA03><fA05><s2>451</s2>
</fA05><fA06><s2>1-2</s2>
</fA06><fA08 i1="01" i2="1" l="ENG"><s1>Blue, green, yellow and red upconversion fluorescence in Tm<sup>3+</sup>
/Ho<sup>3+</sup>
:Cs<sub>2</sub>
NaGdCl<sub>6</sub>
crystals under 785 nm laser excitation</s1><fA09 i1="01" i2="1" l="ENG"><s1>The 6th International Conference on f-Elements (ICFE-6), September 4-9, 2006, Wrocław, Poland</s1>
</fA09><fA11 i1="01" i2="1"><s1>DIANYUAN WANG</s1>
</fA11><fA11 i1="02" i2="1"><s1>YANYAN GUO</s1>
</fA11><fA11 i1="03" i2="1"><s1>GUANGHOU SUN</s1>
</fA11><fA11 i1="04" i2="1"><s1>JIE LI</s1>
</fA11><fA11 i1="05" i2="1"><s1>LEI ZHAO</s1>
</fA11><fA11 i1="06" i2="1"><s1>GAOPING XU</s1>
</fA11><fA12 i1="01" i2="1"><s1>LEGENDZIEWICZ (J.)</s1>
<s9>ed.</s9>
</fA12><fA12 i1="02" i2="1"><s1>HANUZA (J.)</s1>
<s9>ed.</s9>
</fA12><fA12 i1="03" i2="1"><s1>MALTA (O.)</s1>
<s9>ed.</s9>
</fA12><fA12 i1="04" i2="1"><s1>STREK (W.)</s1>
<s9>ed.</s9>
</fA12><fA14 i1="01"><s1>Department of Physics, College of Science, Jiujiang University</s1>
<s2>Jiujiang 332005</s2>
<s3>CHN</s3>
<sZ>1 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
</fA14><fA14 i1="02"><s1>College of Mechanical Engineering, Jiujiang University</s1>
<s2>Jiujiang 332005</s2>
<s3>CHN</s3>
<sZ>2 aut.</sZ>
</fA14><fA20><s1>122-124</s1>
</fA20><fA21><s1>2008</s1>
</fA21><fA23 i1="01"><s0>ENG</s0>
</fA23><fA43 i1="01"><s1>INIST</s1>
<s2>1151</s2>
<s5>354000175013970240</s5>
</fA43><fA44><s0>0000</s0>
<s1>© 2008 INIST-CNRS. All rights reserved.</s1>
</fA44><fA45><s0>16 ref.</s0>
</fA45><fA47 i1="01" i2="1"><s0>08-0239077</s0>
</fA47><fA60><s1>P</s1>
<s2>C</s2>
</fA60><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>1% Tm<sup>3+</sup>
, 10% Ho<sup>3+</sup>
single-doped and 10% Tm<sup>3+</sup>
, 10% Ho<sup>3+</sup>
co-doped Cs<sub>2</sub>
NaGdCl<sub>6</sub>
samples were synthesized by Morss method E. Under 785 nm semiconductor laser pumping, the upconversion fluorescence in Tm<sup>3+</sup>
single-doped and Tm<sup>3+</sup>
, Ho<sup>3+</sup>
co-doped Cs<sub>2</sub>
NaGdCl<sub>6</sub>
was investigated at room temperature. For 1% Tm<sup>3+</sup>
-doped sample, three upconversion emission bands near 483 nm, 658 nm and 701 nm were obtained and assigned to be <sup>1</sup>
G<sub>4</sub>
→ <sup>3</sup>
H<sub>6</sub>
, <sup>1</sup>
G<sub>4</sub>
→ <sup>3</sup>
F<sub>4</sub>
and <sup>3</sup>
F<sub>3</sub>
→ 3H<sub>6</sub>
, respectively. For 10% Tm<sup>3+</sup>
, 10% Ho<sup>3+</sup>
co-doped sample, four strong upconverted emissions near 492 nm (blue), 543 nm (green), 588 nm (yellow) and 657 nm (red) were measured and assigned to be <sup>5</sup>
F<sub>3</sub>
→ <sup>5</sup>
I<sub>8</sub>
, <sup>5</sup>
S<sub>2</sub>
→ <sup>5</sup>
I<sub>8</sub>
, <sup>5</sup>
G<sub>4</sub>
→ <sup>5</sup>
I<sub>6</sub>
and <sup>5</sup>
F<sub>5</sub>
→ <sup>5</sup>
I<sub>8</sub>
transitions of Ho<sup>3+</sup>
ions. With the help of the measuring power dependence of all these upconversion emissions, a reasonable upconversion mechanism model responsible for them was presented. The analysis of these upconversion emissions confirmed the efficient energy transfer from Tm<sup>3+</sup>
(<sup>3</sup>
F<sub>4</sub>
) to Ho<sup>3+</sup>
(<sup>5</sup>
I<sub>7</sub>
) ions.</s0><fC02 i1="01" i2="3"><s0>001B70H55H</s0>
</fC02><fC03 i1="01" i2="X" l="FRE"><s0>Conversion fréquence</s0>
<s5>02</s5>
</fC03><fC03 i1="01" i2="X" l="ENG"><s0>Frequency conversion</s0>
<s5>02</s5>
</fC03><fC03 i1="01" i2="X" l="SPA"><s0>Conversión frecuencia</s0>
<s5>02</s5>
</fC03><fC03 i1="02" i2="3" l="FRE"><s0>Fluorescence</s0>
<s5>03</s5>
</fC03><fC03 i1="02" i2="3" l="ENG"><s0>Fluorescence</s0>
<s5>03</s5>
</fC03><fC03 i1="03" i2="X" l="FRE"><s0>Dopage</s0>
<s5>04</s5>
</fC03><fC03 i1="03" i2="X" l="ENG"><s0>Doping</s0>
<s5>04</s5>
</fC03><fC03 i1="03" i2="X" l="SPA"><s0>Doping</s0>
<s5>04</s5>
</fC03><fC03 i1="04" i2="X" l="FRE"><s0>Codopage</s0>
<s5>05</s5>
</fC03><fC03 i1="04" i2="X" l="ENG"><s0>Codoping</s0>
<s5>05</s5>
</fC03><fC03 i1="04" i2="X" l="SPA"><s0>Codrogado</s0>
<s5>05</s5>
</fC03><fC03 i1="05" i2="3" l="FRE"><s0>Addition holmium</s0>
<s5>06</s5>
</fC03><fC03 i1="05" i2="3" l="ENG"><s0>Holmium additions</s0>
<s5>06</s5>
</fC03><fC03 i1="06" i2="3" l="FRE"><s0>Photoluminescence</s0>
<s5>07</s5>
</fC03><fC03 i1="06" i2="3" l="ENG"><s0>Photoluminescence</s0>
<s5>07</s5>
</fC03><fC03 i1="07" i2="3" l="FRE"><s0>Transfert énergie</s0>
<s5>08</s5>
</fC03><fC03 i1="07" i2="3" l="ENG"><s0>Energy transfer</s0>
<s5>08</s5>
</fC03><fC03 i1="08" i2="3" l="FRE"><s0>Addition thulium</s0>
<s5>09</s5>
</fC03><fC03 i1="08" i2="3" l="ENG"><s0>Thulium additions</s0>
<s5>09</s5>
</fC03><fC03 i1="09" i2="3" l="FRE"><s0>Transition niveau énergie</s0>
<s5>10</s5>
</fC03><fC03 i1="09" i2="3" l="ENG"><s0>Energy-level transitions</s0>
<s5>10</s5>
</fC03><fC03 i1="10" i2="3" l="FRE"><s0>Pompage par laser</s0>
<s5>11</s5>
</fC03><fC03 i1="10" i2="3" l="ENG"><s0>Laser pumping</s0>
<s5>11</s5>
</fC03><fC03 i1="11" i2="X" l="FRE"><s0>Césium Gadolinium Sodium Chlorure Mixte</s0>
<s2>NC</s2>
<s2>NA</s2>
<s5>12</s5>
</fC03><fC03 i1="11" i2="X" l="ENG"><s0>Cesium Gadolinium Sodium Chlorides Mixed</s0>
<s2>NC</s2>
<s2>NA</s2>
<s5>12</s5>
</fC03><fC03 i1="11" i2="X" l="SPA"><s0>Mixto</s0>
<s2>NC</s2>
<s2>NA</s2>
<s5>12</s5>
</fC03><fN21><s1>154</s1>
</fN21><pR><fA30 i1="01" i2="1" l="ENG"><s1>International Conference on f-Elements (ICFE-6)</s1>
<s2>6</s2>
<s3>Wrocław POL</s3>
<s4>2009-09-04</s4>
</fA30><server><NO>PASCAL 08-0239077 INIST</NO>
<ET>Blue, green, yellow and red upconversion fluorescence in Tm<sup>3+</sup>
/Ho<sup>3+</sup>
:Cs<sub>2</sub>
NaGdCl<sub>6</sub>
crystals under 785 nm laser excitation</ET><AU>DIANYUAN WANG; YANYAN GUO; GUANGHOU SUN; JIE LI; LEI ZHAO; GAOPING XU; LEGENDZIEWICZ (J.); HANUZA (J.); MALTA (O.); STREK (W.)</AU>
<AF>Department of Physics, College of Science, Jiujiang University/Jiujiang 332005/Chine (1 aut., 3 aut., 4 aut., 5 aut., 6 aut.); College of Mechanical Engineering, Jiujiang University/Jiujiang 332005/Chine (2 aut.)</AF>
<DT>Publication en série; Congrès; Niveau analytique</DT>
<SO>Journal of alloys and compounds; ISSN 0925-8388; Suisse; Da. 2008; Vol. 451; No. 1-2; Pp. 122-124; Bibl. 16 ref.</SO>
<LA>Anglais</LA>
<EA>1% Tm<sup>3+</sup>
, 10% Ho<sup>3+</sup>
single-doped and 10% Tm<sup>3+</sup>
, 10% Ho<sup>3+</sup>
co-doped Cs<sub>2</sub>
NaGdCl<sub>6</sub>
samples were synthesized by Morss method E. Under 785 nm semiconductor laser pumping, the upconversion fluorescence in Tm<sup>3+</sup>
single-doped and Tm<sup>3+</sup>
, Ho<sup>3+</sup>
co-doped Cs<sub>2</sub>
NaGdCl<sub>6</sub>
was investigated at room temperature. For 1% Tm<sup>3+</sup>
-doped sample, three upconversion emission bands near 483 nm, 658 nm and 701 nm were obtained and assigned to be <sup>1</sup>
G<sub>4</sub>
→ <sup>3</sup>
H<sub>6</sub>
, <sup>1</sup>
G<sub>4</sub>
→ <sup>3</sup>
F<sub>4</sub>
and <sup>3</sup>
F<sub>3</sub>
→ 3H<sub>6</sub>
, respectively. For 10% Tm<sup>3+</sup>
, 10% Ho<sup>3+</sup>
co-doped sample, four strong upconverted emissions near 492 nm (blue), 543 nm (green), 588 nm (yellow) and 657 nm (red) were measured and assigned to be <sup>5</sup>
F<sub>3</sub>
→ <sup>5</sup>
I<sub>8</sub>
, <sup>5</sup>
S<sub>2</sub>
→ <sup>5</sup>
I<sub>8</sub>
, <sup>5</sup>
G<sub>4</sub>
→ <sup>5</sup>
I<sub>6</sub>
and <sup>5</sup>
F<sub>5</sub>
→ <sup>5</sup>
I<sub>8</sub>
transitions of Ho<sup>3+</sup>
ions. With the help of the measuring power dependence of all these upconversion emissions, a reasonable upconversion mechanism model responsible for them was presented. The analysis of these upconversion emissions confirmed the efficient energy transfer from Tm<sup>3+</sup>
(<sup>3</sup>
F<sub>4</sub>
) to Ho<sup>3+</sup>
(<sup>5</sup>
I<sub>7</sub>
) ions.</EA><CC>001B70H55H</CC>
<FD>Conversion fréquence; Fluorescence; Dopage; Codopage; Addition holmium; Photoluminescence; Transfert énergie; Addition thulium; Transition niveau énergie; Pompage par laser; Césium Gadolinium Sodium Chlorure Mixte</FD>
<ED>Frequency conversion; Fluorescence; Doping; Codoping; Holmium additions; Photoluminescence; Energy transfer; Thulium additions; Energy-level transitions; Laser pumping; Cesium Gadolinium Sodium Chlorides Mixed</ED>
<SD>Conversión frecuencia; Doping; Codrogado; Mixto</SD>
<LO>INIST-1151.354000175013970240</LO>
<ID>08-0239077</ID>
</server>
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