Spin-mixing conductances: The influence of disorder

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Fältnamn	Indikatorer	Metadata
000		02582naa a2200337 4500
001		oai:DiVA.org:uu-149500
003		SwePub
008		110320s2008 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-1495002 URI
024	7	a https://doi.org/10.1002/pssa.2007236202 DOI
040		a (SwePub)uu
041		a engb eng
042		9 SwePub
072	7	a ref2 swepub-contenttype
072	7	a art2 swepub-publicationtype
100	1	a Carva, Karelu Uppsala universitet,Materialteori4 aut
245	1 0	a Spin-mixing conductances :b The influence of disorder
264	1	b Wiley,c 2008
338		a print2 rdacarrier
500		a Conference Information: 3rd Seeheim Conference on Magnetism (SCM2007) Frankfurt, GERMANY, AUG 26-30, 2007
520		a Spin transfer torque exerted on a magnetic layer can be viewed as a linear response to the spin accumulation inside an adjacent non-magnetic layer, information about their response coefficient is provided by the complex spin-mixing conductance C-mix. Substitutional disorder is known to affect the spin-dependent charge conductances and often reduces strongly the magnetoresistance. Here, we examine its impact on C-mix of several selected realistic systems. Recently predicted oscillations of C-mix as a function of ferromagnetic layer thickness in Ni based junctions might be suppressed by interface interdiffusion, but presented ab initio calculations disprove this possibility. Halfmetallic character of the Heusler compound Co(2)Mnsi is destroyed by often encountered antisite disorder; however the impact of this disorder to the predicted C-mix is rather weak. Diluted magnetic semiconductor (Ga,Mn)As is an intrinsically disordered system the analysis of calculations shows that the variation of C-mix with substitutional Mn content can be understood in terms of the associated change of the number of carriers, whereas the variation with lattice defects is more complex.
650	7	a NATURVETENSKAPx Fysik0 (SwePub)1032 hsv//swe
650	7	a NATURAL SCIENCESx Physical Sciences0 (SwePub)1032 hsv//eng
653		a Physics
653		a Fysik
700	1	a Turek, Ilja4 aut
710	2	a Uppsala universitetb Materialteori4 org
773	0	t Physica status solidi A, Applications and materials scienced : Wileyg 205:8, s. 1805-1808q 205:8<1805-1808x 1862-6300
773	0	t physica status solidi (a)d : Wileyg 205:8, s. 1805-1808q 205:8<1805-1808x 1862-6319
856	4 8	u https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-149500
856	4 8	u https://doi.org/10.1002/pssa.200723620

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Av författaren/redakt...: Carva, Karel; Turek, Ilja

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