Up-conversion luminescence from simultaneously excited pairs of Tm3+ ions in CsMgCl3 crystals
Identifieur interne : 001934 ( Pascal/Checkpoint ); précédent : 001933; suivant : 001935Up-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.
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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
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<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></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">93-0144871</idno><date when="1992">1992</date><idno type="stanalyst">PASCAL 93-0144871 INIST</idno><idno type="RBID">Pascal:93-0144871</idno><idno type="wicri:Area/Pascal/Corpus">001952</idno><idno type="wicri:Area/Pascal/Curation">001952</idno><idno type="wicri:Area/Pascal/Checkpoint">001934</idno><idno type="wicri:explorRef" wicri:stream="Pascal" wicri:step="Checkpoint">001934</idno></publicationStmt><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></affiliation></author><author><name sortKey="Mcpherson, G L" sort="Mcpherson, G L" uniqKey="Mcpherson G" first="G. L." last="Mcpherson">G. L. Mcpherson</name></author></analytic><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></imprint></series></biblStruct></sourceDesc><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></textClass></profileDesc></teiHeader><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><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0009-2614</s0></fA01><fA02 i1="01"><s0>CHPLBC</s0></fA02><fA03 i2="1"><s0>Chem. phys. lett.</s0></fA03><fA05><s2>200</s2></fA05><fA06><s2>3</s2></fA06><fA08 i1="01" i2="1" l="ENG"><s1>Up-conversion luminescence from simultaneously excited pairs of Tm<sup>3+</sup> ions in CsMgCl<sub>3</sub> crystals</s1></fA08><fA11 i1="01" i2="1"><s1>GHARAVI (A.)</s1></fA11><fA11 i1="02" i2="1"><s1>MCPHERSON (G. 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L." last="Mcpherson">G. L. Mcpherson</name></noCountry><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>Pour manipuler ce document sous Unix (Dilib)
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