Large tunneling anisotropic magnetoresistance in (Ga, Mn)As nanoconstrictions

We report a large tunneling anisotropic magnetoresistance (TAMR) in (Ga,Mn)As lateral nanoconstrictions. Unlike previously reported tunneling magnetoresistance effects in nanocontacts, the TAMR does not require noncollinear magnetization on either side of the constriction. The nature of the effect i...

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Veröffentlicht in:	Physical review letters 2005-04, Vol.94 (12), p.127202.1-127202.4, Article 127202
Hauptverfasser:	GIDDINGS, A. D, KHALID, M. N, WILLIAMS, D, GALLAGHER, B. L, FOXON, C. T, JUNGWIRTH, T, WUNDERLICH, J, YASIN, S, CAMPION, R. P, EDMONDS, K. W, SINOVA, J, ITO, K, WANG, K.-Y
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: electronic structure, electrical, magnetic, and optical properties Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures Electronic transport in condensed matter Electronic transport in multilayers, nanoscale materials and structures Exact sciences and technology Physics Spin polarized transport
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