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Band structure of semimagnetic Hg1-yMnyTe quantum wells
E. G. Novik, A. Pfeuffer-Jeschke, T. Jungwirth +5
The band structure of semimagnetic Hg_1-yMn_yTe/Hg_1-xCd_xTe type-III quantum wells has been calculated using eight-band kp model in an envelope function approach. Details of the b…
Large tunneling anisotropic magnetoresistance in (Ga,Mn)As nanoconstrictions
A. D. Giddings, M. N. Khalid, J. Wunderlich +10
We report a large tunneling anisotropic magnetoresistance (TAMR) in a thin (Ga,Mn)As epilayer with lateral nanoconstrictions. The observation establishes the generic nature of this…
1500-fold Tunneling Anisotropic Magnetoresistance in a (Ga,Mn)As stack
C. Rüster, C. Gould, T. Jungwirth +6
We report the discovery of a super-giant tunneling anisotropic magnetoresistance in an epitaxially grown (Ga,Mn)As/GaAs/(Ga,Mn)As structure. The effect arises from a strong depende…
Tunneling Anisotropic Magnetoresistance: A spin-valve like tunnel magnetoresistance using a single magnetic layer
C. Gould, C. Rüster, T. Jungwirth +6
We introduce a new class of spintronics devices in which a spin-valve like effect results from strong spin-orbit coupling in a single ferromagnetic layer rather than from injection…
Non-vanishing spin Hall currents in disordered spin-orbit coupling systems
K. Nomura, Jairo Sinova, T. Jungwirth +2
Spin currents that flow perpendicular to the electric field direction are generic in metals and doped semiconductors with spin-orbit coupling. It has recently been argued that the…
Optical properties of metallic (III,Mn)V ferromagnetic semiconductors in the infrared to visible range
E. M. Hankiewicz, T. Jungwirth, T. Dietl +2
We report on a study of the ac conductivity and magneto-optical properties of metallic ferromagnetic (III,Mn)V semiconductors in the infrared to visible spectrum. Our analysis is b…