Optical spectroscopy of Ho3+ and Tm3+ in Ca3Sc2Ge3O12 crystals
Identifieur interne : 000A54 ( Pascal/Corpus ); précédent : 000A53; suivant : 000A55Optical spectroscopy of Ho3+ and Tm3+ in Ca3Sc2Ge3O12 crystals
Auteurs : Enrico Cavalli ; Alessandro Belletti ; Stefano Bigotta ; Alessandra Toncelli ; Mauro TonelliSource :
- Journal of alloys and compounds [ 0925-8388 ] ; 2004.
Descripteurs français
- Pascal (Inist)
- Photoluminescence, Spectre absorption, Déclin luminescence, Etat excité, Effet Judd Ofelt, Rapport branchement, Durée vie radiative, Impureté, Emission spontanée, Addition holmium, Addition thulium, Monocristal, Grenats, Calcium Germanate, Scandium Germanate, Composé quaternaire, Etude expérimentale, Ca3Sc2Ge3O12:Ho Tm, Ca Ge O Sc, 7855H.
English descriptors
- KwdEn :
- Absorption spectra, Branching ratio, Calcium Germanates, Excited states, Experimental study, Garnets, Holmium additions, Impurities, Judd Ofelt effect, Luminescence decay, Monocrystals, Photoluminescence, Quaternary compounds, Radiative lifetimes, Scandium Germanates, Spontaneous emission, Thulium additions.
Abstract
Single crystals of the Ca3Sc2Ge3O12 (CaSGG) garnet activated with Ho3+ and Tm3+ have been grown by the 'flux growth' technique. The absorption spectra, the visible emission properties and the decay curves of the excited states have been measured at 10 and 298 K. The room temperature absorption spectra have been analyzed in the framework of the Judd-Ofelt theory and the intensity parameters have been evaluated. The spontaneous transition probabilities, the branching ratios and the radiative lifetimes have been determined for the most important emitting states using the calculated intensity parameters, and the results have been compared with the experimental data in order to estimate the efficiency of the non-radiative processes.
Notice en format standard (ISO 2709)
Pour connaître la documentation sur le format Inist Standard.
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Format Inist (serveur)
NO : | PASCAL 04-0236865 INIST |
---|---|
ET : | Optical spectroscopy of Ho3+ and Tm3+ in Ca3Sc2Ge3O12 crystals |
AU : | CAVALLI (Enrico); BELLETTI (Alessandro); BIGOTTA (Stefano); TONCELLI (Alessandra); TONELLI (Mauro) |
AF : | INFM and Dipartimento di Chimica Generale ed Inorganica, Chimica Analitica e Chimica Fisica, Università di Parma, Viale delle Scienze 17/a/43100 Parma/Italie (1 aut., 2 aut.); INFM-NEST and Dipartimento di Fisica, University di Pisa, Via Buonarroti 2/56127 Pisa/Italie (3 aut., 4 aut., 5 aut.) |
DT : | Publication en série; Niveau analytique |
SO : | Journal of alloys and compounds; ISSN 0925-8388; Suisse; Da. 2004; Vol. 365; Pp. 1-7; Bibl. 16 ref. |
LA : | Anglais |
EA : | Single crystals of the Ca3Sc2Ge3O 12 (CaSGG) garnet activated with Ho3+ and Tm3+ have been grown by the 'flux growth' technique. The absorption spectra, the visible emission properties and the decay curves of the excited states have been measured at 10 and 298 K. The room temperature absorption spectra have been analyzed in the framework of the Judd-Ofelt theory and the intensity parameters have been evaluated. The spontaneous transition probabilities, the branching ratios and the radiative lifetimes have been determined for the most important emitting states using the calculated intensity parameters, and the results have been compared with the experimental data in order to estimate the efficiency of the non-radiative processes. |
CC : | 001B70H55H |
FD : | Photoluminescence; Spectre absorption; Déclin luminescence; Etat excité; Effet Judd Ofelt; Rapport branchement; Durée vie radiative; Impureté; Emission spontanée; Addition holmium; Addition thulium; Monocristal; Grenats; Calcium Germanate; Scandium Germanate; Composé quaternaire; Etude expérimentale; Ca3Sc2Ge3O12:Ho Tm; Ca Ge O Sc; 7855H |
FG : | Composé minéral |
ED : | Photoluminescence; Absorption spectra; Luminescence decay; Excited states; Judd Ofelt effect; Branching ratio; Radiative lifetimes; Impurities; Spontaneous emission; Holmium additions; Thulium additions; Monocrystals; Garnets; Calcium Germanates; Scandium Germanates; Quaternary compounds; Experimental study |
EG : | Inorganic compounds |
SD : | Decadencia luminiscencia; Efecto Judd Ofelt |
LO : | INIST-1151.354000119288850030 |
ID : | 04-0236865 |
Links to Exploration step
Pascal:04-0236865Le document en format XML
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in Ca<sub>3</sub>
Sc<sub>2</sub>
Ge<sub>3</sub>
O<sub>12</sub>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Optical spectroscopy of Ho<sup>3+</sup>
and Tm<sup>3+</sup>
in Ca<sub>3</sub>
Sc<sub>2</sub>
Ge<sub>3</sub>
O<sub>12</sub>
crystals</title>
<author><name sortKey="Cavalli, Enrico" sort="Cavalli, Enrico" uniqKey="Cavalli E" first="Enrico" last="Cavalli">Enrico Cavalli</name>
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<sZ>3 aut.</sZ>
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<series><title level="j" type="main">Journal of alloys and compounds</title>
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<imprint><date when="2004">2004</date>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Absorption spectra</term>
<term>Branching ratio</term>
<term>Calcium Germanates</term>
<term>Excited states</term>
<term>Experimental study</term>
<term>Garnets</term>
<term>Holmium additions</term>
<term>Impurities</term>
<term>Judd Ofelt effect</term>
<term>Luminescence decay</term>
<term>Monocrystals</term>
<term>Photoluminescence</term>
<term>Quaternary compounds</term>
<term>Radiative lifetimes</term>
<term>Scandium Germanates</term>
<term>Spontaneous emission</term>
<term>Thulium additions</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Photoluminescence</term>
<term>Spectre absorption</term>
<term>Déclin luminescence</term>
<term>Etat excité</term>
<term>Effet Judd Ofelt</term>
<term>Rapport branchement</term>
<term>Durée vie radiative</term>
<term>Impureté</term>
<term>Emission spontanée</term>
<term>Addition holmium</term>
<term>Addition thulium</term>
<term>Monocristal</term>
<term>Grenats</term>
<term>Calcium Germanate</term>
<term>Scandium Germanate</term>
<term>Composé quaternaire</term>
<term>Etude expérimentale</term>
<term>Ca3Sc2Ge3O12:Ho Tm</term>
<term>Ca Ge O Sc</term>
<term>7855H</term>
</keywords>
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<front><div type="abstract" xml:lang="en">Single crystals of the Ca<sub>3</sub>
Sc<sub>2</sub>
Ge<sub>3</sub>
O<sub>12</sub>
(CaSGG) garnet activated with Ho<sup>3+</sup>
and Tm<sup>3+</sup>
have been grown by the 'flux growth' technique. The absorption spectra, the visible emission properties and the decay curves of the excited states have been measured at 10 and 298 K. The room temperature absorption spectra have been analyzed in the framework of the Judd-Ofelt theory and the intensity parameters have been evaluated. The spontaneous transition probabilities, the branching ratios and the radiative lifetimes have been determined for the most important emitting states using the calculated intensity parameters, and the results have been compared with the experimental data in order to estimate the efficiency of the non-radiative processes.</div>
</front>
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<fA08 i1="01" i2="1" l="ENG"><s1>Optical spectroscopy of Ho<sup>3+</sup>
and Tm<sup>3+</sup>
in Ca<sub>3</sub>
Sc<sub>2</sub>
Ge<sub>3</sub>
O<sub>12</sub>
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<s3>ITA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
</fA14>
<fA14 i1="02"><s1>INFM-NEST and Dipartimento di Fisica, University di Pisa, Via Buonarroti 2</s1>
<s2>56127 Pisa</s2>
<s3>ITA</s3>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
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<fC01 i1="01" l="ENG"><s0>Single crystals of the Ca<sub>3</sub>
Sc<sub>2</sub>
Ge<sub>3</sub>
O<sub>12</sub>
(CaSGG) garnet activated with Ho<sup>3+</sup>
and Tm<sup>3+</sup>
have been grown by the 'flux growth' technique. The absorption spectra, the visible emission properties and the decay curves of the excited states have been measured at 10 and 298 K. The room temperature absorption spectra have been analyzed in the framework of the Judd-Ofelt theory and the intensity parameters have been evaluated. The spontaneous transition probabilities, the branching ratios and the radiative lifetimes have been determined for the most important emitting states using the calculated intensity parameters, and the results have been compared with the experimental data in order to estimate the efficiency of the non-radiative processes.</s0>
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<s5>02</s5>
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<s5>02</s5>
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<fC03 i1="02" i2="3" l="FRE"><s0>Spectre absorption</s0>
<s5>03</s5>
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<s5>03</s5>
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<s5>05</s5>
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<s5>05</s5>
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<fC03 i1="04" i2="3" l="FRE"><s0>Etat excité</s0>
<s5>06</s5>
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<fC03 i1="04" i2="3" l="ENG"><s0>Excited states</s0>
<s5>06</s5>
</fC03>
<fC03 i1="05" i2="X" l="FRE"><s0>Effet Judd Ofelt</s0>
<s5>07</s5>
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<s5>07</s5>
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<fC03 i1="05" i2="X" l="SPA"><s0>Efecto Judd Ofelt</s0>
<s5>07</s5>
</fC03>
<fC03 i1="06" i2="3" l="FRE"><s0>Rapport branchement</s0>
<s5>08</s5>
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<s5>08</s5>
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<fC03 i1="07" i2="3" l="FRE"><s0>Durée vie radiative</s0>
<s5>09</s5>
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<s5>11</s5>
</fC03>
<fC03 i1="09" i2="3" l="ENG"><s0>Spontaneous emission</s0>
<s5>11</s5>
</fC03>
<fC03 i1="10" i2="3" l="FRE"><s0>Addition holmium</s0>
<s5>12</s5>
</fC03>
<fC03 i1="10" i2="3" l="ENG"><s0>Holmium additions</s0>
<s5>12</s5>
</fC03>
<fC03 i1="11" i2="3" l="FRE"><s0>Addition thulium</s0>
<s5>13</s5>
</fC03>
<fC03 i1="11" i2="3" l="ENG"><s0>Thulium additions</s0>
<s5>13</s5>
</fC03>
<fC03 i1="12" i2="3" l="FRE"><s0>Monocristal</s0>
<s5>15</s5>
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<s5>15</s5>
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<s5>16</s5>
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<s5>16</s5>
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<s2>NC</s2>
<s2>NA</s2>
<s5>17</s5>
</fC03>
<fC03 i1="14" i2="3" l="ENG"><s0>Calcium Germanates</s0>
<s2>NC</s2>
<s2>NA</s2>
<s5>17</s5>
</fC03>
<fC03 i1="15" i2="3" l="FRE"><s0>Scandium Germanate</s0>
<s2>NC</s2>
<s2>NA</s2>
<s5>18</s5>
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<fC03 i1="15" i2="3" l="ENG"><s0>Scandium Germanates</s0>
<s2>NC</s2>
<s2>NA</s2>
<s5>18</s5>
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<s5>19</s5>
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<s5>19</s5>
</fC03>
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<s5>20</s5>
</fC03>
<fC03 i1="17" i2="3" l="ENG"><s0>Experimental study</s0>
<s5>20</s5>
</fC03>
<fC03 i1="18" i2="3" l="FRE"><s0>Ca3Sc2Ge3O12:Ho Tm</s0>
<s4>INC</s4>
<s5>53</s5>
</fC03>
<fC03 i1="19" i2="3" l="FRE"><s0>Ca Ge O Sc</s0>
<s4>INC</s4>
<s5>54</s5>
</fC03>
<fC03 i1="20" i2="3" l="FRE"><s0>7855H</s0>
<s4>INC</s4>
<s5>56</s5>
</fC03>
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<s5>48</s5>
</fC07>
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<s5>48</s5>
</fC07>
<fN21><s1>152</s1>
</fN21>
<fN82><s1>PSI</s1>
</fN82>
</pA>
</standard>
<server><NO>PASCAL 04-0236865 INIST</NO>
<ET>Optical spectroscopy of Ho<sup>3+</sup>
and Tm<sup>3+</sup>
in Ca<sub>3</sub>
Sc<sub>2</sub>
Ge<sub>3</sub>
O<sub>12</sub>
crystals</ET>
<AU>CAVALLI (Enrico); BELLETTI (Alessandro); BIGOTTA (Stefano); TONCELLI (Alessandra); TONELLI (Mauro)</AU>
<AF>INFM and Dipartimento di Chimica Generale ed Inorganica, Chimica Analitica e Chimica Fisica, Università di Parma, Viale delle Scienze 17/a/43100 Parma/Italie (1 aut., 2 aut.); INFM-NEST and Dipartimento di Fisica, University di Pisa, Via Buonarroti 2/56127 Pisa/Italie (3 aut., 4 aut., 5 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Journal of alloys and compounds; ISSN 0925-8388; Suisse; Da. 2004; Vol. 365; Pp. 1-7; Bibl. 16 ref.</SO>
<LA>Anglais</LA>
<EA>Single crystals of the Ca<sub>3</sub>
Sc<sub>2</sub>
Ge<sub>3</sub>
O<sub> 12</sub>
(CaSGG) garnet activated with Ho<sup>3+</sup>
and Tm<sup>3+</sup>
have been grown by the 'flux growth' technique. The absorption spectra, the visible emission properties and the decay curves of the excited states have been measured at 10 and 298 K. The room temperature absorption spectra have been analyzed in the framework of the Judd-Ofelt theory and the intensity parameters have been evaluated. The spontaneous transition probabilities, the branching ratios and the radiative lifetimes have been determined for the most important emitting states using the calculated intensity parameters, and the results have been compared with the experimental data in order to estimate the efficiency of the non-radiative processes.</EA>
<CC>001B70H55H</CC>
<FD>Photoluminescence; Spectre absorption; Déclin luminescence; Etat excité; Effet Judd Ofelt; Rapport branchement; Durée vie radiative; Impureté; Emission spontanée; Addition holmium; Addition thulium; Monocristal; Grenats; Calcium Germanate; Scandium Germanate; Composé quaternaire; Etude expérimentale; Ca3Sc2Ge3O12:Ho Tm; Ca Ge O Sc; 7855H</FD>
<FG>Composé minéral</FG>
<ED>Photoluminescence; Absorption spectra; Luminescence decay; Excited states; Judd Ofelt effect; Branching ratio; Radiative lifetimes; Impurities; Spontaneous emission; Holmium additions; Thulium additions; Monocrystals; Garnets; Calcium Germanates; Scandium Germanates; Quaternary compounds; Experimental study</ED>
<EG>Inorganic compounds</EG>
<SD>Decadencia luminiscencia; Efecto Judd Ofelt</SD>
<LO>INIST-1151.354000119288850030</LO>
<ID>04-0236865</ID>
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