Optical spin-transfer-torque-driven domain-wall motion in a ferromagnetic semiconductor

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Optical spin-transfer-torque-driven domain-wall motion in a ferromagnetic semiconductor

We demonstrate optical manipulation of the position of a domain wall in a dilute magnetic semiconductor,GaMnAsP. Two main contributions are identified. First, photocarrier spin exerts a spin-transfer torque on the magnetization via the exchange interaction. The direction of the domain-wall motion ca...

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Bibliographic Details
Main Authors:	Ramsay, A.J., Roy, P.E., Haigh, J.A., Otxoa, R.M., Irvine, A.C., Janda, T., Campion, R.P., Gallagher, B.L., Wunderlich, J.
Format:	Article
Published:	American Physical Society 2015
Online Access:	https://eprints.nottingham.ac.uk/35705/

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