TY - JOUR

T1 - Enhancement of giant magnetoresistance due to spin mixing in magnetic multilayers with a superconducting contact

AU - Taddei, F.

AU - Sanvito, S.

AU - Lambert, C. J.

PY - 2001

Y1 - 2001

N2 - We study the giant magnetoresistance (GMR) ratio in magnetic multilayers wit a single superconducting contact in the presence of spin-mixing processes. It has been recently shown [F. Taddei, S. Sanvito, J.H. Jefferson, and C. J. Lambert, Phys, Rev. Lett, 82, 4938 (1999)] that the GMR ratio of magnetic multilayers is strongly suppressed by the presence of a super conducting contact when spin flipping is not allowed. In this paper we demonstrate that the GMR ratio can be dramatically enhanced by spin-orbit interaction and/or noncollinear magnetic moments. The system is described using a tight-binding model with either s-p-d or s-d atomic orbitals per site.

AB - We study the giant magnetoresistance (GMR) ratio in magnetic multilayers wit a single superconducting contact in the presence of spin-mixing processes. It has been recently shown [F. Taddei, S. Sanvito, J.H. Jefferson, and C. J. Lambert, Phys, Rev. Lett, 82, 4938 (1999)] that the GMR ratio of magnetic multilayers is strongly suppressed by the presence of a super conducting contact when spin flipping is not allowed. In this paper we demonstrate that the GMR ratio can be dramatically enhanced by spin-orbit interaction and/or noncollinear magnetic moments. The system is described using a tight-binding model with either s-p-d or s-d atomic orbitals per site.

U2 - 10.1103/PhysRevB.63.012404

DO - 10.1103/PhysRevB.63.012404

M3 - Journal article

VL - 63

SP - -

JO - Physical review B

JF - Physical review B

SN - 1098-0121

IS - 1

M1 - 012404

ER -