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Electrical resistivity anomaly in (Pr.sub.1-y./sub.M.sub.y./sub.)(.sub.1-x./sub.)Ca.sub.x./sub.CoO.sub.3./sub. epitaxial films (M=Y, Gd) fabricated by pulsed laser deposition
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SYSNO ASEP 0470916 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Electrical resistivity anomaly in (Pr1-yMy)(1-x)CaxCoO3 epitaxial films (M=Y, Gd) fabricated by pulsed laser deposition Author(s) Noda, Y. (JP)
Fujishiro, H. (JP)
Naito, T. (JP)
Ito, A. (JP)
Goto, T. (JP)
Hejtmánek, Jiří (FZU-D) RID, ORCID
Jirák, Zdeněk (FZU-D) RID, ORCID, SAINumber of authors 7 Article number 025318 Source Title AIP Advances. - : AIP Publishing
Roč. 6, č. 2 (2016), 1-9Number of pages 9 s. Language eng - English Country US - United States Keywords spin-state transition ; thin-films Subject RIV BM - Solid Matter Physics ; Magnetism Institutional support FZU-D - RVO:68378271 UT WOS 000371739000091 EID SCOPUS 84959421424 DOI https://doi.org/10.1063/1.4942558 Annotation The (Pr1-yMy)(1-x)CaxCoO3 epitaxial films (M=Y, Gd) have been successfully fabricated by pulsed laser deposition on the single crystal substrates with different lattice constant. The polycrystalline bulk of this material shows a first-order metal-insulator (MI) transition below the critical temperature. Although rho(T) of all the as-grown films shows a semiconducting behavior at entire temperature range, an anomalous rho(T) upturn with wide hysteresis can be clearly seen for the film grown on the SrLaAlO4 (SLAO) substrate, which applied the in-plane compressive stress to the film. Such anomaly in rho(T) is interpreted as a sign of the first-order phase transition related with the spin-state (SS) transition, which was observed in the polycrystalline bulk. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2017
Number of the records: 1