Antiferromagnetism in Cr3Al and relation to semiconducting behavior

Z. Boekelheide,1,2,* T. Saerbeck,3,4 Anton P. J. Stampfl,3,5 R. A. Robinson,3 D. A. Stewart,6 and F. Hellman1,2 1Department of Physics, University of California, Berkeley, Berkeley, California 94720, USA 2Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA 3Bragg Institute, Australian Nuclear Science and Technology Organisation, Lucas Heights, New South Wales 2234, Australia 4School of Physics, University of Western Australia, 35 Stirling Highway, Crawley, Western Australia 6009, Australia 5School of Chemistry, The University of Sydney, New South Wales 2006, Australia 6Cornell Nanoscale Facility, Cornell University, Ithaca, New York 14853 USA (Received 27 October 2011; revised manuscript received 20 January 2012; published 9 March 2012)