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Band Structure and Physical Properties of α-STF2I3: Dirac Electrons in Disordered Conduction Sheets
The compound being investigated is an organic charge-transfer complex of the unsymmetrical donor STF with I3 [STF = bis(ethylenedithio)diselenadithiafulvalene], which is isostructural with α-ET2I3 and α-BETS2I3 [ET = bis(ethylenedithio)tetrathiafulvalene, BETS = bis(ethylenedithio)tetraselenafulvalene]. According to recent studies, the calculated band structure should represent a zero-gap semiconductor at 1 bar that is similar to α-ET2I3 under high pressure (>15 kbar). Such materials havedoi:10.3390/cryst10040270 fatcat:hvgs22l4pvbhtds3ogxkyt3hai