Operating mechanism of the organic metal-semiconductor field-effect transistor (OMESFET) C.H. Kim, D. Tondelier, B. Geffroy, Y. Bonnassieux and G. Horowitz Eur. Phys. J. Appl. Phys., 56 3 (2011) 34105 Published online: 23 November 2011 DOI: 10.1051/epjap/2011110119