Defect-induced high-temperature ferromagnetism in Si1-xMnx(x ≈ 0.52−0.55) alloys V. V. Rylkov, E. A. Gan'shina, O. A. Novodvorskii, S. N. Nikolaev, A. I. Novikov, E. T. Kulatov, V. V. Tugushev, A. B. Granovskii and V. Ya. Panchenko EPL, 103 5 (2013) 57014 Published online: 02 October 2013 DOI: 10.1209/0295-5075/103/57014