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Influence of In-induced resonant level on the normal-state and superconducting properties of Sn.sub.1.03./sub.Te
- 1.0563847 - FZÚ 2023 RIV US eng J - Journal Article
Misra, S. - Wiendlocha, B. - Tobola, J. - Levinský, Petr - Hejtmánek, Jiří - Migot, S. - Ghanbaja, J. - Dauscher, A. - Lenoir, B. - Candolfi, C.
Influence of In-induced resonant level on the normal-state and superconducting properties of Sn1.03Te.
Physical Review B. Roč. 106, č. 7 (2022), č. článku 075205. ISSN 2469-9950. E-ISSN 2469-9969
R&D Projects: GA ČR GA18-12761S; GA MŠMT(CZ) LM2018096
Institutional support: RVO:68378271
Keywords : tin selenide * thermoelectric properties * resonant level
OECD category: Condensed matter physics (including formerly solid state physics, supercond.)
Impact factor: 3.7, year: 2022
Method of publishing: Limited access
https://doi.org/10.1103/PhysRevB.106.075205
Normal-state transport properties (2–300 K) of the polycrystalline series Sn1.03−δ−xInxTe (0≤x≤0.07, δ≤0.0025) were investigated by means of electrical resistivity, thermopower, Hall effect, and thermal conductivity measurements. The distortion of the valence-band structure by the In-induced resonant level (RL) has a profound influence on the evolution of the normal-state properties with x and on the emergence of superconductivity evidenced by specific-heat measurements down to 0.35 K. In addition to a nearly 40-fold increase in the residual electrical resistivity ρ0 on going from x=0.0 to 0.05, the thermopower α shows a nonlinear, complex behavior as a function of both temperature and x.
Permanent Link: https://hdl.handle.net/11104/0335634
Number of the records: 1