Spectroscopic determination of hole density in the ferromagnetic semiconductor Ga${}_{1-x}$Mn${}_x$As

M. J. Seong, S. H. Chun, Hyeonsik M. Cheong +2

The measurement of the hole density in the ferromagnetic semiconductor Ga${}_{1-x}$Mn${}_x$As is notoriously difficult using standard transport techniques due to the dominance of the…