Effect of high pressure torsion on crystallization and magnetic properties of Fe73.9Cu1Nb3Si15.5B6.6 M. Antoni, F. Spieckermann, V. Soprunyuk, N. Chawake, B. Sarac, J. Zalesak, C. Polak, C. Gammer, R. Pippan, M. Zehetbauer, J. Eckert Journal of Magnetism and Magnetic Materials525, ARTN: 167679 (2020)