In-plane magnetic structure and exchange interactions in the high-temperature antiferromagnet ${\rm Cr}_2{\rm Al}$

Chengxi Zhao ,1 Kisung Kang,1 Joerg C. Neuefeind ,2 André Schleife ,1,3 and Daniel P. Shoemaker 1,* 1Department of Materials Science and Engineering and Materials Research Laboratory, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA 2Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA 3National Center for Supercomputing Applications, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA