Photoluminescence properties of rare earths (Eu3+, Tb3+, Dy3+ and Tm3+) activated NaInW2O8 wolframite host lattice
Identifieur interne : 001692 ( Main/Repository ); précédent : 001691; suivant : 001693Photoluminescence properties of rare earths (Eu3+, Tb3+, Dy3+ and Tm3+) activated NaInW2O8 wolframite host lattice
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Abstract
The photoluminescence (PL) studies on Naln1-xRExW2O8, with RE=Eu3+, Tb3+, Dy3+ and Tm3+ phases have shown that the relative contribution of the host lattice and of the intra-f-f emission of the activators to the PL varies with the nature of the rare earth cation. In the case of Dy3+ and Tm3+ activators, with yellow and blue emission, respectively, the energy transfer from host to the activator plays a major role. In contrast for Eu3+, with intense red emission, the host absorption is less pronounced and the intra-f-f transitions of the Eu3+ ions play a major role, whereas for Tb3+ intra-f-f transitions are only observed, giving rise to green emission.
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Photoluminescence properties of rare earths (Eu<sup>3+</sup>, Tb<sup>3+</sup>, Dy<sup>3+</sup> and Tm<sup>3+</sup>) activated NaInW<sub>2</sub>O<sub>8</sub> wolframite host lattice</title><author><name sortKey="Asiri Naidu, S" uniqKey="Asiri Naidu S">S. Asiri Naidu</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Laboratoire de Cristallographie et Sciences des Matériaux, ENSICAEN, Université de Caen, CNRS, 6 Bd Maréchal Juin</s1><s2>14050 Caen</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Basse-Normandie</region><settlement type="city">Caen</settlement></placeName></affiliation></author><author><name sortKey="Boudin, S" uniqKey="Boudin S">S. Boudin</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Laboratoire de Cristallographie et Sciences des Matériaux, ENSICAEN, Université de Caen, CNRS, 6 Bd Maréchal Juin</s1><s2>14050 Caen</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Basse-Normandie</region><settlement type="city">Caen</settlement></placeName></affiliation></author><author><name sortKey="Varadaraju, U V" uniqKey="Varadaraju U">U. V. Varadaraju</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Department of Chemistry, Indian Institute of Technology Madras</s1><s2>Chennai 600036</s2><s3>IND</s3><sZ>3 aut.</sZ></inist:fA14><country>Inde</country><wicri:noRegion>Chennai 600036</wicri:noRegion></affiliation></author><author><name sortKey="Raveau, B" uniqKey="Raveau B">B. Raveau</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Laboratoire de Cristallographie et Sciences des Matériaux, ENSICAEN, Université de Caen, CNRS, 6 Bd Maréchal Juin</s1><s2>14050 Caen</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Basse-Normandie</region><settlement type="city">Caen</settlement></placeName></affiliation></author></titleStmt><publicationStmt><idno type="inist">12-0105465</idno><date when="2012">2012</date><idno type="stanalyst">PASCAL 12-0105465 INIST</idno><idno type="RBID">Pascal:12-0105465</idno><idno type="wicri:Area/Main/Corpus">002136</idno><idno type="wicri:Area/Main/Repository">001692</idno></publicationStmt><seriesStmt><idno type="ISSN">0022-4596</idno><title level="j" type="abbreviated">J. solid state chem. : (Print)</title><title level="j" type="main">Journal of solid state chemistry : (Print)</title></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Calcium selenides</term><term>Energy transfer</term><term>Indium tungstates</term><term>Optical transition</term><term>Photoluminescence</term><term>Rare earth compounds</term><term>Sodium tungstates</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Photoluminescence</term><term>Transfert énergie</term><term>Transition optique</term><term>Tungstate d'indium</term><term>Composé de lanthanide</term><term>Séléniure de calcium</term><term>Tungstate de sodium</term><term>CaSe</term><term>7855</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The photoluminescence (PL) studies on Naln<sub>1-x</sub>RE<sub>x</sub>W<sub>2</sub>O<sub>8</sub>, with RE=Eu<sup>3+</sup>, Tb<sup>3+</sup>, Dy<sup>3+</sup> and Tm<sup>3+</sup> phases have shown that the relative contribution of the host lattice and of the intra-f-f emission of the activators to the PL varies with the nature of the rare earth cation. In the case of Dy<sup>3+</sup> and Tm<sup>3+</sup> activators, with yellow and blue emission, respectively, the energy transfer from host to the activator plays a major role. In contrast for Eu<sup>3+</sup>, with intense red emission, the host absorption is less pronounced and the intra-f-f transitions of the Eu<sup>3+</sup> ions play a major role, whereas for Tb<sup>3+</sup> intra-f-f transitions are only observed, giving rise to green emission.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0022-4596</s0></fA01><fA02 i1="01"><s0>JSSCBI</s0></fA02><fA03 i2="1"><s0>J. solid state chem. : (Print)</s0></fA03><fA05><s2>185</s2></fA05><fA08 i1="01" i2="1" l="ENG"><s1>Photoluminescence properties of rare earths (Eu<sup>3+</sup>, Tb<sup>3+</sup>, Dy<sup>3+</sup> and Tm<sup>3+</sup>) activated NaInW<sub>2</sub>O<sub>8</sub> wolframite host lattice</s1></fA08><fA11 i1="01" i2="1"><s1>ASIRI NAIDU (S.)</s1></fA11><fA11 i1="02" i2="1"><s1>BOUDIN (S.)</s1></fA11><fA11 i1="03" i2="1"><s1>VARADARAJU (U. V.)</s1></fA11><fA11 i1="04" i2="1"><s1>RAVEAU (B.)</s1></fA11><fA14 i1="01"><s1>Laboratoire de Cristallographie et Sciences des Matériaux, ENSICAEN, Université de Caen, CNRS, 6 Bd Maréchal Juin</s1><s2>14050 Caen</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>4 aut.</sZ></fA14><fA14 i1="02"><s1>Department of Chemistry, Indian Institute of Technology Madras</s1><s2>Chennai 600036</s2><s3>IND</s3><sZ>3 aut.</sZ></fA14><fA20><s1>187-190</s1></fA20><fA21><s1>2012</s1></fA21><fA23 i1="01"><s0>ENG</s0></fA23><fA43 i1="01"><s1>INIST</s1><s2>14677</s2><s5>354000502802710290</s5></fA43><fA44><s0>0000</s0><s1>© 2012 INIST-CNRS. All rights reserved.</s1></fA44><fA45><s0>25 ref.</s0></fA45><fA47 i1="01" i2="1"><s0>12-0105465</s0></fA47><fA60><s1>P</s1></fA60><fA61><s0>A</s0></fA61><fA64 i1="01" i2="1"><s0>Journal of solid state chemistry : (Print)</s0></fA64><fA66 i1="01"><s0>USA</s0></fA66><fC01 i1="01" l="ENG"><s0>The photoluminescence (PL) studies on Naln<sub>1-x</sub>RE<sub>x</sub>W<sub>2</sub>O<sub>8</sub>, with RE=Eu<sup>3+</sup>, Tb<sup>3+</sup>, Dy<sup>3+</sup> and Tm<sup>3+</sup> phases have shown that the relative contribution of the host lattice and of the intra-f-f emission of the activators to the PL varies with the nature of the rare earth cation. In the case of Dy<sup>3+</sup> and Tm<sup>3+</sup> activators, with yellow and blue emission, respectively, the energy transfer from host to the activator plays a major role. In contrast for Eu<sup>3+</sup>, with intense red emission, the host absorption is less pronounced and the intra-f-f transitions of the Eu<sup>3+</sup> ions play a major role, whereas for Tb<sup>3+</sup> intra-f-f transitions are only observed, giving rise to green emission.</s0></fC01><fC02 i1="01" i2="3"><s0>001B70H55</s0></fC02><fC03 i1="01" i2="3" l="FRE"><s0>Photoluminescence</s0><s5>01</s5></fC03><fC03 i1="01" i2="3" l="ENG"><s0>Photoluminescence</s0><s5>01</s5></fC03><fC03 i1="02" i2="3" l="FRE"><s0>Transfert énergie</s0><s5>02</s5></fC03><fC03 i1="02" i2="3" l="ENG"><s0>Energy transfer</s0><s5>02</s5></fC03><fC03 i1="03" i2="X" l="FRE"><s0>Transition optique</s0><s5>03</s5></fC03><fC03 i1="03" i2="X" l="ENG"><s0>Optical transition</s0><s5>03</s5></fC03><fC03 i1="03" i2="X" l="SPA"><s0>Transición óptica</s0><s5>03</s5></fC03><fC03 i1="04" i2="3" l="FRE"><s0>Tungstate d'indium</s0><s2>NK</s2><s5>04</s5></fC03><fC03 i1="04" i2="3" l="ENG"><s0>Indium tungstates</s0><s2>NK</s2><s5>04</s5></fC03><fC03 i1="05" i2="3" l="FRE"><s0>Composé de lanthanide</s0><s5>05</s5></fC03><fC03 i1="05" i2="3" l="ENG"><s0>Rare earth compounds</s0><s5>05</s5></fC03><fC03 i1="06" i2="3" l="FRE"><s0>Séléniure de calcium</s0><s2>NK</s2><s5>15</s5></fC03><fC03 i1="06" i2="3" l="ENG"><s0>Calcium selenides</s0><s2>NK</s2><s5>15</s5></fC03><fC03 i1="07" i2="3" l="FRE"><s0>Tungstate de sodium</s0><s2>NK</s2><s5>16</s5></fC03><fC03 i1="07" i2="3" l="ENG"><s0>Sodium tungstates</s0><s2>NK</s2><s5>16</s5></fC03><fC03 i1="08" i2="3" l="FRE"><s0>CaSe</s0><s4>INC</s4><s5>46</s5></fC03><fC03 i1="09" i2="3" l="FRE"><s0>7855</s0><s4>INC</s4><s5>71</s5></fC03><fN21><s1>079</s1></fN21></pA></standard></inist></record>Pour manipuler ce document sous Unix (Dilib)
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