University of Texas

Title: Superconductivity in moth balls: surprises in organic FETs

Abstract: Plastic electronics, as futuristic as it sounds, is a present reality and it is here to stay. This realm of technology has not drawn a lot of attention from the Physics community until the recent experiments by Batlogg's group have shown an unprecedented richness of electronic collective effects in a single devise. By simply changing the gate voltage, one can drive the system from the FQHE regime to the superconducting regime !!! We present here a simple theory of the coupling of the 2D band quasi-particles and the vibrations of the host molecular crystal. Calculations of the electron-phonon spectral function as a function of 2D carrier density are in agreement with experimental finding and predict a distinct behavior of Tc as a function of pressure different from the trend observed in the fullerenes.