1. B. M. Babich, N. I. Bletskan, and E. F. Venger, Oxygen in Silicon Single Crystals (Interpres LTD, Kiev, 1997) [in Russian].
2. A. Chroneos, E. N. Sgourou, C. A. Londos, and U. Schwingenschlögl, Appl. Phys. Rev. 2, 0213061 (2015).
3. J. L. Lindström, L. I. Murin, T. Hallberg, V. P. Markevich, B. G. Svensson, M. Kleverman, and J. Hermansson, Nucl. Instrum. Methods Phys. Res., Sect. B 186, 121 (2002).
4. F. P. Korshunov and Yu. V. Bogatyrev, Izv. NAN Belarusi, Ser. Fiz.-Tekh. Nauk, No. 4, 106 (2008).
5. L. I. Murin, J. L. Lindström, V. P. Markevich, A. Misiuk, and C. A. Londos, J. Phys.: Condens. Matter 17, S2237 (2005).