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Elastically straine...
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Boikov, Y. A.Russian Academy of Sciences
(författare)
Elastically strained and relaxed La0.67Ca0.33MnO3 films grown on lanthanum aluminate substrates with different orientations
- Artikel/kapitelEngelska2016
Förlag, utgivningsår, omfång ...
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2016-12-17
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Pleiades Publishing Ltd,2016
Nummerbeteckningar
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LIBRIS-ID:oai:research.chalmers.se:aaccf009-0dac-40b6-912b-62bc5580f885
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https://doi.org/10.1134/s1063783416120039DOI
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https://research.chalmers.se/publication/247112URI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:art swepub-publicationtype
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Ämneskategori:ref swepub-contenttype
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Structure of 40-nm thick La0.67Ca0.33MnO3 (LCMO) films grown by laser evaporation on (001) and (110) LaAlO3 (LAO) substrates has been investigated using the methods of medium-energy ion scattering and X-ray diffraction. The grown manganite layers are under lateral biaxial compressive mechanical stresses. When (110)LAO wafers are used as the substrates, stresses relax to a great extent; the relaxation is accompanied by the formation of defects in a (3-4)-nm thick manganite-film interlayer adjacent to the LCMO-(110)LAO interface. When studying the structure of the grown layers, their electro- and magnetotransport parameters have been measured. The electroresistance of the LCMO films grown on the substrates of both types reached a maximum at temperature T (M) of about 250 K. At temperatures close to T (M) magnetoresistance of the LCMO/(110)LAO films exceeds that of the LCMO/(001)LAO films by 20-30%; however, the situation is inverse at low temperatures (T < 150 K). At T < T (M) , the magnetotransport in the grown manganite films significantly depends on the spin ordering in ferromagnetic domains, which increase with a decrease in temperature.
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Biuppslag (personer, institutioner, konferenser, titlar ...)
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Serenkov, I.T.Russian Academy of Sciences
(författare)
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Sakharov, V.I.Russian Academy of Sciences
(författare)
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Claeson, Tord,1938Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)f4atc
(författare)
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Russian Academy of SciencesChalmers tekniska högskola
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Physics of the Solid State: Pleiades Publishing Ltd58:12, s. 2560-25661063-78341090-6460
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