Electric-field control of ferromagnetism in GaSb/Mn digital alloys

G.B. Kim1, M. Cheon1, S. Wang1, H. Luo1, B.D. McCombe1, X. Liu2, Y. Sasaki2, T. Wojtowicz2,3, J.K. Furdyna2
1Department of Physics and Center for Advanced Photonic and Electronic Materials, University at Buffalo, The State University at New York, Buffalo, NY 14260, USA
2Department of Physics, University of Notre Dame, Notre Dame, IN 46556, USA
3Institute of Physics, Polish Academy of Sciences, 02-668 Warsaw, Poland