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Strain Engineering ...
Strain Engineering for Controlled Growth of Thin-Film FeNi L10
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- Frisk, Andreas (author)
- Uppsala universitet,Materialfysik
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- Hase, Thomas P.A. (author)
- Department of Physics, University of Warwick, Coventry, CV4 7AL, United Kingdom
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- Svedlindh, Peter (author)
- Uppsala universitet,Fasta tillståndets fysik
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- Johansson, Erik (author)
- ABB AB, Power Devices, Corporate Research, SE-721 78 Västerås, Sweden
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- Andersson, Gabriella, 1972- (author)
- Uppsala universitet,Materialfysik
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(creator_code:org_t)
- 2017-02-01
- 2017
- English.
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In: Journal of Physics D. - : IOP Publishing. - 0022-3727 .- 1361-6463. ; 50:8
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https://uu.diva-port... (primary) (Raw object)
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http://wrap.warwick....
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- FeNi thin films in the L1(0) phase were successfully grown by magnetron sputtering on HF-etched Si(001) substrates on Cu/Cu100-xNix buffers. The strain of the FeNi layer, (c/a)(FeNi), was varied in a controlled manner by changing the Ni content of the Cu100-xNix buffer layer from x = 0 at.% to x = 90 at.%, which influenced the common in- plane lattice parameter of the CuNi and FeNi layers. The presence of the L1(0) phase was confirmed by resonant x-ray diffraction measurements at various positions in reciprocal space. The uniaxial magnetocrystalline anisotropy energy K-U is observed to be smaller (around 0.35 MJ m(-3)) than predicted for a perfect FeNi L1(0) sample, but it is larger than for previously studied films. No notable variation in K-U with strain state (c/a)(FeNi) is observed in the range achieved (0.99 less than or similar to (c/a)(FeNi) less than or similar to 1.02), which is in agreement with theoretical predictions.
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Keyword
- x-ray diffraction
- magnetic anisotropy
- magnetic properties of monolayers and thin films
- L1(0)
Publication and Content Type
- ref (subject category)
- art (subject category)
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