1. I. P. Kazakov, V. I. Tsekhosh, A. V. Klekovkin, and M. A. Bazalevsky, Kratkie Soobshcheniya po Fizike FIAN 44(7), 3 (2017) [Bulletin of the Lebedev Physics Institute 44, 137 (2017)].
2. V. S. Bagaev, V. S. Krivobok, E. E. Onishchenko, et al., Zh. Eksp. Teor. Fiz. 140, 929 (2011) [J. Exp. Theor. Phys. 113, 808 (2011)].
3. Х. Yu, PhD Thesis (Stanford Univ., 2006).
4. M. K. Hudait, Y. Zhu, N. Jain, and J. L. Hunter, J. Vac. Sci. Tech. B 31, 011206-1 (2013).
5. E. Third, F. Weinberg, M. Thewalt, and L. Young, Appl. Phys. Lett. 58, 714 (1991).