ThuliumV1, Pascal, Curation, bibRecord, 001388

Crystal-field analysis of the spectroscopic characteristics and magnetic properties of Tm3+ in LiYF4 crystal

Identifieur interne : 001388 ( Pascal/Curation ); précédent : 001387; suivant : 001389

Crystal-field analysis of the spectroscopic characteristics and magnetic properties of Tm3+ in LiYF4 crystal

Auteurs : C. Xueyuan [République populaire de Chine] ; L. Zundu [République populaire de Chine]

Source :

Journal of physics. Condensed matter [ 0953-8984 ] ; 1997.

RBID : Pascal:97-0298657

Descripteurs français

Pascal (Inist)
- Etude théorique, Matériau dopé, Addition thulium, Champ cristallin, Transition niveau énergie, Chaleur massique, Susceptibilité magnétique, Effet Zeeman, Facteur Landé, Lithium fluorure, Yttrium fluorure, Composé ternaire, 7170C, LiYF4, F Li Y.

English descriptors

KwdEn :
- Crystal field, Doped materials, Energy-level transitions, Landé factor, Lithium fluorides, Magnetic susceptibility, Specific heat, Ternary compounds, Theoretical study, Thulium additions, Yttrium fluorides, Zeeman effect.

Abstract

On the basis of the analysis of a group-chain scheme and with the use of the constraint condition determined by the ratios of crystal-field parameters calculated using the point-charge model, a crystal-field-level fitting has been carried out for Tm³⁺:LiYF₄, in which the Tm³⁺ ions are assumed to occupy positions with point symmetry D_2d. The RMS value of the energy-level fitting is 11.4 cm^-1. The wavefunctions obtained were used in the study of the magnetic, thermal, and spectroscopic properties of the crystal. The calculated g-factors obey Karayianis's partial g-sum rule. The temperature dependences of the Schottky specific heat and magnetic susceptibility agree well with data published by others. The line shown by calculation to be the strongest is σ-polarized at 450.4 nm, which corresponds to blue upconversion lasing in the experiment. The method proposed turns out to be effective in the study of the spectroscopic and magnetic properties of localized centres in crystals.

A01	`01`	`1`		`@0 0953-8984`
A02	`01`			`@0 JCOMEL`
A03		`1`		`@0 J. phys., Condens. matter`
A05				`@2 9`
A06				`@2 20`
A08	`01`	`1`	`ENG`	`@1 Crystal-field analysis of the spectroscopic characteristics and magnetic properties of Tm³⁺ in LiYF₄ crystal`
A11	`01`	`1`		`@1 XUEYUAN (C.)`
A11	`02`	`1`		`@1 ZUNDU (L.)`
A14	`01`			`@1 Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences @2 Fuzhou, Fujian, 350002 @3 CHN @Z 1 aut. @Z 2 aut.`
A14	`02`			`@1 China Centre of Advanced Science and Technology (World Laboratory), PO Box 8730 @2 Beijing 100080 @3 CHN @Z 2 aut.`
A20				`@1 4197-4210`
A21				`@1 1997`
A23	`01`			`@0 ENG`
A43	`01`			`@1 INIST @2 577E2 @5 354000065684490180`
A44				`@0 0000 @1 © 1997 INIST-CNRS. All rights reserved.`
A45				`@0 20 ref.`
A47	`01`	`1`		`@0 97-0298657`
A60				`@1 P`
A61				`@0 A`
A64	`01`	`1`		`@0 Journal of physics. Condensed matter`
A66	`01`			`@0 GBR`
C01	`01`		`ENG`	@0 On the basis of the analysis of a group-chain scheme and with the use of the constraint condition determined by the ratios of crystal-field parameters calculated using the point-charge model, a crystal-field-level fitting has been carried out for Tm³⁺:LiYF₄, in which the Tm³⁺ ions are assumed to occupy positions with point symmetry D_2d. The RMS value of the energy-level fitting is 11.4 cm^-1. The wavefunctions obtained were used in the study of the magnetic, thermal, and spectroscopic properties of the crystal. The calculated g-factors obey Karayianis's partial g-sum rule. The temperature dependences of the Schottky specific heat and magnetic susceptibility agree well with data published by others. The line shown by calculation to be the strongest is σ-polarized at 450.4 nm, which corresponds to blue upconversion lasing in the experiment. The method proposed turns out to be effective in the study of the spectroscopic and magnetic properties of localized centres in crystals.
C02	`01`	`3`		`@0 001B70A70C`
C03	`01`	`3`	`FRE`	`@0 Etude théorique @5 01`
C03	`01`	`3`	`ENG`	`@0 Theoretical study @5 01`
C03	`02`	`3`	`FRE`	`@0 Matériau dopé @5 02`
C03	`02`	`3`	`ENG`	`@0 Doped materials @5 02`
C03	`03`	`3`	`FRE`	`@0 Addition thulium @5 03`
C03	`03`	`3`	`ENG`	`@0 Thulium additions @5 03`
C03	`04`	`3`	`FRE`	`@0 Champ cristallin @5 04`
C03	`04`	`3`	`ENG`	`@0 Crystal field @5 04`
C03	`05`	`3`	`FRE`	`@0 Transition niveau énergie @5 05`
C03	`05`	`3`	`ENG`	`@0 Energy-level transitions @5 05`
C03	`06`	`3`	`FRE`	`@0 Chaleur massique @5 06`
C03	`06`	`3`	`ENG`	`@0 Specific heat @5 06`
C03	`07`	`3`	`FRE`	`@0 Susceptibilité magnétique @5 07`
C03	`07`	`3`	`ENG`	`@0 Magnetic susceptibility @5 07`
C03	`08`	`3`	`FRE`	`@0 Effet Zeeman @5 08`
C03	`08`	`3`	`ENG`	`@0 Zeeman effect @5 08`
C03	`09`	`3`	`FRE`	`@0 Facteur Landé @5 09`
C03	`09`	`3`	`ENG`	`@0 Landé factor @5 09`
C03	`10`	`3`	`FRE`	`@0 Lithium fluorure @2 NK @5 12`
C03	`10`	`3`	`ENG`	`@0 Lithium fluorides @2 NK @5 12`
C03	`11`	`3`	`FRE`	`@0 Yttrium fluorure @2 NK @5 13`
C03	`11`	`3`	`ENG`	`@0 Yttrium fluorides @2 NK @5 13`
C03	`12`	`3`	`FRE`	`@0 Composé ternaire @5 14`
C03	`12`	`3`	`ENG`	`@0 Ternary compounds @5 14`
C03	`13`	`3`	`FRE`	`@0 7170C @2 PAC @4 INC @5 56`
C03	`14`	`3`	`FRE`	`@0 LiYF4 @4 INC @5 92`
C03	`15`	`3`	`FRE`	`@0 F Li Y @4 INC @5 93`
C07	`01`	`3`	`FRE`	`@0 Composé minéral @5 16`
C07	`01`	`3`	`ENG`	`@0 Inorganic compounds @5 16`
C07	`02`	`3`	`FRE`	`@0 Métal transition composé @5 17`
C07	`02`	`3`	`ENG`	`@0 Transition element compounds @5 17`
N21				`@1 167`

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Le document en format XML

<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Crystal-field analysis of the spectroscopic characteristics and magnetic properties of Tm<sup>3+</sup>
 in LiYF<sub>4</sub>
 crystal</title>
<author><name sortKey="Xueyuan, C" sort="Xueyuan, C" uniqKey="Xueyuan C" first="C." last="Xueyuan">C. Xueyuan</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences</s1>
<s2>Fuzhou, Fujian, 350002</s2>
<s3>CHN</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
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<country>République populaire de Chine</country>
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<author><name sortKey="Zundu, L" sort="Zundu, L" uniqKey="Zundu L" first="L." last="Zundu">L. Zundu</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences</s1>
<s2>Fuzhou, Fujian, 350002</s2>
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<country>République populaire de Chine</country>
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<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>China Centre of Advanced Science and Technology (World Laboratory), PO Box 8730</s1>
<s2>Beijing 100080</s2>
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<country>République populaire de Chine</country>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Crystal-field analysis of the spectroscopic characteristics and magnetic properties of Tm<sup>3+</sup>
 in LiYF<sub>4</sub>
 crystal</title>
<author><name sortKey="Xueyuan, C" sort="Xueyuan, C" uniqKey="Xueyuan C" first="C." last="Xueyuan">C. Xueyuan</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences</s1>
<s2>Fuzhou, Fujian, 350002</s2>
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<country>République populaire de Chine</country>
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<author><name sortKey="Zundu, L" sort="Zundu, L" uniqKey="Zundu L" first="L." last="Zundu">L. Zundu</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences</s1>
<s2>Fuzhou, Fujian, 350002</s2>
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<country>République populaire de Chine</country>
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<series><title level="j" type="main">Journal of physics. Condensed matter</title>
<title level="j" type="abbreviated">J. phys., Condens. matter</title>
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<imprint><date when="1997">1997</date>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Crystal field</term>
<term>Doped materials</term>
<term>Energy-level transitions</term>
<term>Landé factor</term>
<term>Lithium fluorides</term>
<term>Magnetic susceptibility</term>
<term>Specific heat</term>
<term>Ternary compounds</term>
<term>Theoretical study</term>
<term>Thulium additions</term>
<term>Yttrium fluorides</term>
<term>Zeeman effect</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Etude théorique</term>
<term>Matériau dopé</term>
<term>Addition thulium</term>
<term>Champ cristallin</term>
<term>Transition niveau énergie</term>
<term>Chaleur massique</term>
<term>Susceptibilité magnétique</term>
<term>Effet Zeeman</term>
<term>Facteur Landé</term>
<term>Lithium fluorure</term>
<term>Yttrium fluorure</term>
<term>Composé ternaire</term>
<term>7170C</term>
<term>LiYF4</term>
<term>F Li Y</term>
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<front><div type="abstract" xml:lang="en">On the basis of the analysis of a group-chain scheme and with the use of the constraint condition determined by the ratios of crystal-field parameters calculated using the point-charge model, a crystal-field-level fitting has been carried out for Tm<sup>3+</sup>
:LiYF<sub>4</sub>
, in which the Tm<sup>3+</sup>
 ions are assumed to occupy positions with point symmetry D<sub>2d</sub>
. The RMS value of the energy-level fitting is 11.4 cm<sup>-1</sup>
. The wavefunctions obtained were used in the study of the magnetic, thermal, and spectroscopic properties of the crystal. The calculated g-factors obey Karayianis's partial g-sum rule. The temperature dependences of the Schottky specific heat and magnetic susceptibility agree well with data published by others. The line shown by calculation to be the strongest is σ-polarized at 450.4 nm, which corresponds to blue upconversion lasing in the experiment. The method proposed turns out to be effective in the study of the spectroscopic and magnetic properties of localized centres in crystals.</div>
</front>
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<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
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<fA14 i1="02"><s1>China Centre of Advanced Science and Technology (World Laboratory), PO Box 8730</s1>
<s2>Beijing 100080</s2>
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<fA20><s1>4197-4210</s1>
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<fA60><s1>P</s1>
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<fC01 i1="01" l="ENG"><s0>On the basis of the analysis of a group-chain scheme and with the use of the constraint condition determined by the ratios of crystal-field parameters calculated using the point-charge model, a crystal-field-level fitting has been carried out for Tm<sup>3+</sup>
:LiYF<sub>4</sub>
, in which the Tm<sup>3+</sup>
 ions are assumed to occupy positions with point symmetry D<sub>2d</sub>
. The RMS value of the energy-level fitting is 11.4 cm<sup>-1</sup>
. The wavefunctions obtained were used in the study of the magnetic, thermal, and spectroscopic properties of the crystal. The calculated g-factors obey Karayianis's partial g-sum rule. The temperature dependences of the Schottky specific heat and magnetic susceptibility agree well with data published by others. The line shown by calculation to be the strongest is σ-polarized at 450.4 nm, which corresponds to blue upconversion lasing in the experiment. The method proposed turns out to be effective in the study of the spectroscopic and magnetic properties of localized centres in crystals.</s0>
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<s5>02</s5>
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<s5>04</s5>
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<fC03 i1="04" i2="3" l="ENG"><s0>Crystal field</s0>
<s5>04</s5>
</fC03>
<fC03 i1="05" i2="3" l="FRE"><s0>Transition niveau énergie</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="3" l="ENG"><s0>Energy-level transitions</s0>
<s5>05</s5>
</fC03>
<fC03 i1="06" i2="3" l="FRE"><s0>Chaleur massique</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="3" l="ENG"><s0>Specific heat</s0>
<s5>06</s5>
</fC03>
<fC03 i1="07" i2="3" l="FRE"><s0>Susceptibilité magnétique</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="3" l="ENG"><s0>Magnetic susceptibility</s0>
<s5>07</s5>
</fC03>
<fC03 i1="08" i2="3" l="FRE"><s0>Effet Zeeman</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="3" l="ENG"><s0>Zeeman effect</s0>
<s5>08</s5>
</fC03>
<fC03 i1="09" i2="3" l="FRE"><s0>Facteur Landé</s0>
<s5>09</s5>
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<s5>09</s5>
</fC03>
<fC03 i1="10" i2="3" l="FRE"><s0>Lithium fluorure</s0>
<s2>NK</s2>
<s5>12</s5>
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<s2>NK</s2>
<s5>13</s5>
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<fC03 i1="12" i2="3" l="FRE"><s0>Composé ternaire</s0>
<s5>14</s5>
</fC03>
<fC03 i1="12" i2="3" l="ENG"><s0>Ternary compounds</s0>
<s5>14</s5>
</fC03>
<fC03 i1="13" i2="3" l="FRE"><s0>7170C</s0>
<s2>PAC</s2>
<s4>INC</s4>
<s5>56</s5>
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<fC03 i1="14" i2="3" l="FRE"><s0>LiYF4</s0>
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<s5>16</s5>
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<s5>17</s5>
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<s5>17</s5>
</fC07>
<fN21><s1>167</s1>
</fN21>
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</standard>
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Crystal-field analysis of the spectroscopic characteristics and magnetic properties of Tm3+ in LiYF4 crystal

Crystal-field analysis of the spectroscopic characteristics and magnetic properties of Tm3+ in LiYF4 crystal

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