Direct synthesized graphene-like film on SiO2: Mechanical and optical properties - E. G. Bortchagovsky; A. V. Vasin; P. M. Lytvyn; S. I. Tiagulskyi; A. M. Slobodyan; I. N. Verovsky; V. V. Strelchuk; Yu. Stubrov; A. N. Nazarov (Semiconductor Physics, Quantum Electronics and Optoelectronics, 2016)