Conductivity of molecular semiconductor material based on monomeric and polymeric methacroylacetophenone - O. S. Berezhnytska; O. K. Trunova; A. O. Gudyma; A. B. Smirnov; O. B. Okhrimenko; Yu. Yu. Bacherikov (Semiconductor Physics, Quantum Electronics and Optoelectronics, 2019)