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Research paper thumbnail of CIP spin torque effect in the spin valve pinned with an oxide antiferromagnetic layer

Journal of Physics: Conference Series, 2009

Spin valve Ni 0.85 Co 0.15 O/Co 85 Fe 15 /Cu/Co 85 Fe 15 was manufactured by a RF magnetron sputt... more Spin valve Ni 0.85 Co 0.15 O/Co 85 Fe 15 /Cu/Co 85 Fe 15 was manufactured by a RF magnetron sputtering system. M(H) and R(H) characteristics of the spin valve were measured in CIP configuration at room temperature has a magnetoresistance ratio of about 8% and a high exchange bias at room temperature. The current density and angle between the applied magnetic field and injection current were changed in an aim to observe their effects on MR and exchange bias of the spin valve. The current density and angle strongly affect MR and exchange bias. Both MR and exchange bias clearly decrease in dependence of the current density and direction of the magnetic field. It is supposed to be related with a current-induced spin torque in device.

Research paper thumbnail of CIP spin torque effect in the spin valve pinned with an oxide antiferromagnetic layer

Journal of Physics: Conference Series, 2009

Spin valve Ni 0.85 Co 0.15 O/Co 85 Fe 15 /Cu/Co 85 Fe 15 was manufactured by a RF magnetron sputt... more Spin valve Ni 0.85 Co 0.15 O/Co 85 Fe 15 /Cu/Co 85 Fe 15 was manufactured by a RF magnetron sputtering system. M(H) and R(H) characteristics of the spin valve were measured in CIP configuration at room temperature has a magnetoresistance ratio of about 8% and a high exchange bias at room temperature. The current density and angle between the applied magnetic field and injection current were changed in an aim to observe their effects on MR and exchange bias of the spin valve. The current density and angle strongly affect MR and exchange bias. Both MR and exchange bias clearly decrease in dependence of the current density and direction of the magnetic field. It is supposed to be related with a current-induced spin torque in device.

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