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Fizika Tverdogo Tela, 2021, Volume 63, Issue 3, Page 344 (Mi ftt10152)  
This article is cited in 1 scientific paper (total in 1 paper)

Metals

Thermoelectric properties of metallic hexaborides $R$B$_6$ ($R$ = La, Pr, Nd, Gd)

M. Anisimova, N. Samarina, S. Demisheva, A. Bogacha, V. Voronova, N. Shitsevalovab, A. Levchenkob, V. Philippovb, V. Glushkova

a Prokhorov General Physics Institute of the Russian Academy of Sciences, 119991 Moscow, Russia
b Frantsevich Institute for Problems of Materials Science, National Academy of Sciences of Ukraine, 03680 Kyiv, Ukraine
Full-text PDF (29 kB) Citations (1)
Abstract: Seebeck coefficient has been studied on the single crystals of metallic hexaborides $R$B$_6$ ($R$ = La, Pr, Nd, Gd) at temperatures of 2–300 K. The experiment has shown that the signal is limited by the values $|S|\le$ 1.5 $\mu$V/K for all tested materials. The data obtained for the systems LaB$_6$ and GdB$_6$ were approximated by phonon drag contribution caused by quasi-local (Einstein) mode with characteristic temperatures $\Theta_E$(LaB$_6$) $\approx$ 240 K and $\Theta_E$(GdB$_6$) $\approx$ 180 K. On the contrary, the crystal-line electric field effect induces the inversion between negative and positive types of thermoelectricity, which complicates the simulation of phonon drag in the case of PrB$_6$ and NdB$_6$.
Keywords: Seebeck effect, phonon drag, hexaborides, metals.
Funding agency Grant number
Russian Academy of Sciences - Federal Agency for Scientific Organizations
Russian Foundation for Basic Research 20-02-00015
This work was supported by the programs of Russian Academy of Sciences “Electron spin resonance, spin-dependent electronic effects, and spin technologies” and “Condensed matter physics and materials of new generation” and by Russian Foundation for Basic Research project 20-02-00015.
English version:
Physics of the Solid State, 2021, Volume 63, Issue 3, Pages 414–419
DOI: https://doi.org/10.1134/S1063783421030021
Document Type: Article
Language: English
Citation: M. Anisimov, N. Samarin, S. Demishev, A. Bogach, V. Voronov, N. Shitsevalova, A. Levchenko, V. Philippov, V. Glushkov, “Thermoelectric properties of metallic hexaborides $R$B$_6$ ($R$ = La, Pr, Nd, Gd)”, Fizika Tverdogo Tela, 63:3 (2021), 344; Phys. Solid State, 63:3 (2021), 414–419
Citation in format AMSBIB
\Bibitem{AniSamDem21}
\by M.~Anisimov, N.~Samarin, S.~Demishev, A.~Bogach, V.~Voronov, N.~Shitsevalova, A.~Levchenko, V.~Philippov, V.~Glushkov
\paper Thermoelectric properties of metallic hexaborides $R$B$_6$ ($R$ = La, Pr, Nd, Gd)
\jour Fizika Tverdogo Tela
\yr 2021
\vol 63
\issue 3
\pages 344
\mathnet{http://mi.mathnet.ru/ftt10152}
\transl
\jour Phys. Solid State
\yr 2021
\vol 63
\issue 3
\pages 414--419
\crossref{https://doi.org/10.1134/S1063783421030021}
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