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Spin Seebeck effect in ɛ-Fe.sub.2./sub.O.sub.3./sub. thin films with high coercive field
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SYSNO ASEP 0498199 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Spin Seebeck effect in ɛ-Fe2O3 thin films with high coercive field Author(s) Knížek, Karel (FZU-D) RID, ORCID
Pashchenko, Mariia (FZU-D) ORCID
Levinský, Petr (FZU-D) RID, ORCID
Kaman, Ondřej (FZU-D) RID, ORCID
Houdková, Jana (FZU-D) RID, ORCID
Jiříček, Petr (FZU-D) RID, ORCID, SAI
Hejtmánek, Jiří (FZU-D) RID, ORCID
Soroka, Miroslav (UACH-T) SAI, ORCID, RID
Buršík, Josef (UACH-T) RID, ORCID, SAINumber of authors 9 Article number 213904 Source Title Journal of Applied Physics. - : AIP Publishing - ISSN 0021-8979
Roč. 124, č. 21 (2018), s. 1-8Number of pages 8 s. Publication form Online - E Language eng - English Country US - United States Keywords spin coating ; magnetic hysteresis ; thin films ; depth profiling techniques ; thermoelectricity Subject RIV BM - Solid Matter Physics ; Magnetism OECD category Condensed matter physics (including formerly solid state physics, supercond.) Subject RIV - cooperation Institute of Inorganic Chemistry - Inorganic Chemistry R&D Projects LM2015088 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) GA16-04340S GA ČR - Czech Science Foundation (CSF) LM2015073 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Institutional support FZU-D - RVO:68378271 ; UACH-T - RVO:61388980 UT WOS 000452538100015 EID SCOPUS 85058113744 DOI 10.1063/1.5045304 Annotation We present the experimental observation of the spin Seebeck effect in ε-Fe2-xAlxO3 (x=0 and 0.3) thin films with Pt detection layer. The films with 40–70 nm thicknesses were deposited by a spin-coating method on Y:ZrO2(100) substrates. The prepared films are highly oriented with the easy magnetic a-axis parallel to the film surface. The magnetic hysteresis loops measured for x=0 at room temperature with the magnetic field parallel to the surface exhibit coercive fields up to 11.6 kOe, which is so far the highest value of ε-Fe2O3 thin films. The spin Seebeck signal for x=0 increases proportionally to the film's thickness, which means that the critical thickness corresponding to the magnon propagation length is greater than 70 nm.
Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2019
Number of the records: 1