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Induced spin-polari...
Induced spin-polarization of EuS at room temperature in Ni/EuS multilayers
- Article/chapterEnglish2014
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AIP Publishing,2014
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LIBRIS-ID:oai:DiVA.org:uu-224466
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-224466URI
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https://doi.org/10.1063/1.4869210DOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
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Ni/EuS multilayers with excellent multilayer sequencing are deposited via e-beam evaporation on the native oxide of Si(100) wafers at 4 x 10(-9) millibars. The samples have very small surface and interface roughness and show sharp interfaces. Ni layers are nanocrystalline 4-8 nm thick and EuS layers are 2-4 nm thick and are either amorphous or nanocrystalline. Unlike for Co/EuS multilayers, all Eu ions are in divalent (ferromagnetic) state. We show a direct antiferromagnetic coupling between EuS and Ni layers. At room temperature, the EuS layers are spin-polarized due to the proximity of Ni. Therefore, Ni/EuS is a candidate for room-temperature spintronics applications. (C) 2014 AIP Publishing LLC.
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Goschew, A.
(author)
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Kapaklis, VassiliosUppsala universitet,Materialfysik(Swepub:uu)vaska415
(author)
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Wolff, MaxUppsala universitet,Materialfysik(Swepub:uu)maxwo643
(author)
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Delimitis, A.
(author)
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Wilhelm, F.
(author)
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Rogalev, A.
(author)
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Pappas, Spyridon D.Uppsala universitet,Materialfysik(Swepub:uu)spypa516
(author)
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Straub, A.
(author)
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Fumagalli, P.
(author)
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Uppsala universitetMaterialfysik
(creator_code:org_t)
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In:Applied Physics Letters: AIP Publishing104:11, s. 112411-0003-69511077-3118
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Poulopoulos, P.
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Goschew, A.
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Kapaklis, Vassil ...
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Wolff, Max
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Delimitis, A.
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Wilhelm, F.
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Rogalev, A.
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Pappas, Spyridon ...
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Straub, A.
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Fumagalli, P.
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- NATURAL SCIENCES
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NATURAL SCIENCES
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Applied Physics ...
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Uppsala University