Up-conversion luminescence from simultaneously excited pairs of Tm3+ ions in CsMgCl3 crystals
Identifieur interne : 003739 ( Main/Exploration ); précédent : 003738; suivant : 003740Up-conversion luminescence from simultaneously excited pairs of Tm3+ ions in CsMgCl3 crystals
Auteurs : A. Gharavi [États-Unis] ; G. L. McphersonSource :
- Chemical physics letters [ 0009-2614 ] ; 1992.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Composé minéral.
English descriptors
- KwdEn :
Abstract
Crystals of CsMgCl3 doped with Tm3+ exhibit a strikingly strong up-conversion luminescence when the 1G4(D) state is pumped under pulser excitation at 465 nm. The most intense up-conversion emissions, which appear in the near-UV, originate from the 1I6(F) state at 34100 cm-1. Weaker features from the 1D2(E) state at 27700 cm-1 are also observed. At 11 K the 1I6(F) and 1D2(E) emissions exhibit the rise and fall kinetics consistent with cross-relaxation from photoexcited pairs
Affiliations:
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Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Up-conversion luminescence from simultaneously excited pairs of Tm<sup>3+</sup>
ions in CsMgCl<sub>3</sub>
crystals</title>
<author><name sortKey="Gharavi, A" sort="Gharavi, A" uniqKey="Gharavi A" first="A." last="Gharavi">A. Gharavi</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Tulane univ., dep. chemistry</s1>
<s2>New Orleans LA 70118</s2>
<s3>USA</s3>
</inist:fA14>
<country>États-Unis</country>
<wicri:noRegion>New Orleans LA 70118</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Mcpherson, G L" sort="Mcpherson, G L" uniqKey="Mcpherson G" first="G. L." last="Mcpherson">G. L. Mcpherson</name>
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<idno type="inist">93-0144871</idno>
<date when="1992">1992</date>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Up-conversion luminescence from simultaneously excited pairs of Tm<sup>3+</sup>
ions in CsMgCl<sub>3</sub>
crystals</title>
<author><name sortKey="Gharavi, A" sort="Gharavi, A" uniqKey="Gharavi A" first="A." last="Gharavi">A. Gharavi</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Tulane univ., dep. chemistry</s1>
<s2>New Orleans LA 70118</s2>
<s3>USA</s3>
</inist:fA14>
<country>États-Unis</country>
<wicri:noRegion>New Orleans LA 70118</wicri:noRegion>
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<author><name sortKey="Mcpherson, G L" sort="Mcpherson, G L" uniqKey="Mcpherson G" first="G. L." last="Mcpherson">G. L. Mcpherson</name>
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<series><title level="j" type="main">Chemical physics letters</title>
<title level="j" type="abbreviated">Chem. phys. lett.</title>
<idno type="ISSN">0009-2614</idno>
<imprint><date when="1992">1992</date>
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<seriesStmt><title level="j" type="main">Chemical physics letters</title>
<title level="j" type="abbreviated">Chem. phys. lett.</title>
<idno type="ISSN">0009-2614</idno>
</seriesStmt>
</fileDesc>
<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Activation energy</term>
<term>Cesium Magnesium Chlorides Mixed</term>
<term>Cross relaxation</term>
<term>Excitation spectrum</term>
<term>Excited state</term>
<term>Experimental study</term>
<term>Impurity level</term>
<term>Inorganic compound</term>
<term>Lifetime</term>
<term>Optical transition</term>
<term>Photoluminescence</term>
<term>Thulium</term>
<term>Time resolution</term>
<term>Up conversion</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Photoluminescence</term>
<term>Résolution temporelle</term>
<term>Niveau impureté</term>
<term>Spectre excitation</term>
<term>Transition optique</term>
<term>Relaxation croisée</term>
<term>Durée vie</term>
<term>Etat excité</term>
<term>Etude expérimentale</term>
<term>Energie activation</term>
<term>Composé minéral</term>
<term>Thulium</term>
<term>Césium Magnésium Chlorure Mixte</term>
<term>Conversion vers fréquence supérieure</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Composé minéral</term>
</keywords>
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<front><div type="abstract" xml:lang="en">Crystals of CsMgCl<sub>3</sub>
doped with Tm<sup>3+</sup>
exhibit a strikingly strong up-conversion luminescence when the <sup>1</sup>
G<sub>4</sub>
(D) state is pumped under pulser excitation at 465 nm. The most intense up-conversion emissions, which appear in the near-UV, originate from the <sup>1</sup>
I<sub>6</sub>
(F) state at 34100 cm<sup>-1</sup>
. Weaker features from the <sup>1</sup>
D<sub>2</sub>
(E) state at 27700 cm<sup>-1</sup>
are also observed. At 11 K the <sup>1</sup>
I<sub>6</sub>
(F) and <sup>1</sup>
D<sub>2</sub>
(E) emissions exhibit the rise and fall kinetics consistent with cross-relaxation from photoexcited pairs</div>
</front>
</TEI>
<affiliations><list><country><li>États-Unis</li>
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<tree><noCountry><name sortKey="Mcpherson, G L" sort="Mcpherson, G L" uniqKey="Mcpherson G" first="G. L." last="Mcpherson">G. L. Mcpherson</name>
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<country name="États-Unis"><noRegion><name sortKey="Gharavi, A" sort="Gharavi, A" uniqKey="Gharavi A" first="A." last="Gharavi">A. Gharavi</name>
</noRegion>
</country>
</tree>
</affiliations>
</record>
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