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Conferences > QELS > 2008 > QThF > QThF5
  • Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies
  • OSA Technical Digest (CD) (Optica Publishing Group, 2008),
  • paper QThF5

Ultrafast Coercivity and Magnetization Dynamics in GaMnAs

K. C. Hall, J. P. Zahn, S. March, X. Liu, and J. K. Furdyna

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Abstract

Using time-resolved magneto-optical Kerr effect spectroscopy, the magnetization and coercivity dynamics in GaMnAs are investigated. A subpicosecond ferromagnetic to paramagnetic phase transition is observed, followed by coercivity enhancement on longer time scales.

© 2008 Optical Society of America

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