E. Kojima

collaborators

2 papers

cond-mat.mtrl-sci2004

Photo-induced demagnetization and polaron binding energy increase observed by mid-infrared pump-probe spectroscopy in ferromagnetic Ga $_{0.94}$ Mn $_{0.06}$ As

E. Kojima, J. B. Heroux, R. Shimano +4

Time-resolved transmittance measurements performed on Ga $_{0.94}$ Mn $_{0.06}$ As in the vicinity of the Mn-induced mid-infrared absorption band are presented. Upon photo-excitation,…

cond-mat.str-el2002

Observation of the spin-charge thermal isolation of ferromagnetic Ga_{0.94}Mn_{0.06}As by time-resolved magneto-optical measurement

E. Kojima, R. Shimano, Y. Hashimoto +3

The dynamics of magnetization under femtosecond optical excitation is studied in a ferromagnetic semiconductor Ga_{0.94}Mn_{0.06}As with a time-resolved magneto-optical Kerr effect…

Photo-induced demagnetization and polaron binding energy increase observed by mid-infrared pump-probe spectroscopy in ferromagnetic Ga0.94​Mn0.06​As

Observation of the spin-charge thermal isolation of ferromagnetic Ga_{0.94}Mn_{0.06}As by time-resolved magneto-optical measurement

Photo-induced demagnetization and polaron binding energy increase observed by mid-infrared pump-probe spectroscopy in ferromagnetic Ga $_{0.94}$ Mn $_{0.06}$ As