Impurity and Stoichiometry Effects in the Preparation and Mechanical Properties of Intermetallic NiAl Single Crystals A. Köthe, W. Löser, A. Güth, G. Vaerst et K. Mai J. Phys. IV France, 05 C7 (1995) C7-111-C7-122 DOI: 10.1051/jp4:1995709