Thermal conductivity of the SmxTm1-xS system
Identifieur interne : 003767 ( Main/Merge ); précédent : 003766; suivant : 003768Thermal conductivity of the SmxTm1-xS system
Auteurs : V. V. Popov [Russie] ; A. G. Kasymova [Russie] ; B. M. Buttaev [Russie] ; A. V. Golubkov [Russie] ; I. A. Smirnov [Russie] ; A. TybulewiczSource :
- Physics of the solid state
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- Pascal (Inist)
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Abstract
The thermal conductivity κ of the SmxTm1-xS system, exhibiting a semiconductor-metal phase transition at x ≃ 0.75-0.84, was determined in the temperature range 18-330 K. The thermal conductivity of the compositions with x > 0.8 was of phonon nature. An increase in the Tm content in the range x = 0-0.78 increased the electron contribution to κ. The Lorenz number L was anomalously large (L/L0 ≃ 2-3) for all the metallic compositions of SmxTm1-xS
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Pascal:94-0329470Le document en format XML
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Thermal conductivity of the Sm<sub>x</sub>
Tm<sub>1-x</sub>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Chemical composition</term>
<term>Experimental study</term>
<term>Phonons</term>
<term>Samarium sulfides</term>
<term>Semiconductor metal transition</term>
<term>Temperature dependence</term>
<term>Temperature range 13-65 K</term>
<term>Temperature range 65-273 K</term>
<term>Ternary compounds</term>
<term>Thermal conductivity</term>
<term>Thulium sulfides</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Etude expérimentale</term>
<term>Conductivité thermique</term>
<term>Transition métal semiconducteur</term>
<term>Dépendance température</term>
<term>Domaine température 13-65 K</term>
<term>Domaine température 65-273 K</term>
<term>Composition chimique</term>
<term>Samarium sulfure</term>
<term>Thulium sulfure</term>
<term>Composé ternaire</term>
<term>Phonon</term>
<term>6570</term>
<term>SmxTm1-xS</term>
<term>S Sm Tm</term>
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<front><div type="abstract" xml:lang="en">The thermal conductivity κ of the Sm<sub>x</sub>
Tm<sub>1-x</sub>
S system, exhibiting a semiconductor-metal phase transition at x ≃ 0.75-0.84, was determined in the temperature range 18-330 K. The thermal conductivity of the compositions with x > 0.8 was of phonon nature. An increase in the Tm content in the range x = 0-0.78 increased the electron contribution to κ. The Lorenz number L was anomalously large (L/L<sub>0</sub>
≃ 2-3) for all the metallic compositions of Sm<sub>x</sub>
Tm<sub>1-x</sub>
S</div>
</front>
</TEI>
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<tree><noCountry><name sortKey="Tybulewicz, A" sort="Tybulewicz, A" uniqKey="Tybulewicz A" first="A." last="Tybulewicz">A. Tybulewicz</name>
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<country name="Russie"><noRegion><name sortKey="Popov, V V" sort="Popov, V V" uniqKey="Popov V" first="V. V." last="Popov">V. V. Popov</name>
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<name sortKey="Buttaev, B M" sort="Buttaev, B M" uniqKey="Buttaev B" first="B. M." last="Buttaev">B. M. Buttaev</name>
<name sortKey="Golubkov, A V" sort="Golubkov, A V" uniqKey="Golubkov A" first="A. V." last="Golubkov">A. V. Golubkov</name>
<name sortKey="Kasymova, A G" sort="Kasymova, A G" uniqKey="Kasymova A" first="A. G." last="Kasymova">A. G. Kasymova</name>
<name sortKey="Smirnov, I A" sort="Smirnov, I A" uniqKey="Smirnov I" first="I. A." last="Smirnov">I. A. Smirnov</name>
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</record>
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