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Transport through (Ga,Mn)As nanoconstrictions
Author(s) -
Schlapps Markus,
Doeppe Matthias,
Wagner Konrad,
Reinwald Matthias,
Wegscheider Werner,
Weiss Dieter
Publication year - 2006
Publication title -
physica status solidi (a)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.532
H-Index - 104
eISSN - 1862-6319
pISSN - 1862-6300
DOI - 10.1002/pssa.200622388
Subject(s) - magnetoresistance , quantum tunnelling , condensed matter physics , anisotropy , materials science , physics , quantum mechanics , magnetic field
We investigate magnetoresistance effects for transport across (Ga,Mn)As nanoislands, detached by nanoconstrictions from wider (Ga,Mn)As input leads. As in previous studies a huge magnetoresistance was found for nanoconstrictions in the tunnelling regime. For slightly wider junctions an enhanced anisotropic magnetoresistance effect was observed. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)