Peculiar electric-field-induced metastable state of charge-ordered molecular conductor β-(meso-DMBEDT-TTF)2PF6

The electric-field-induced metastable state of the checkerboard-type charge-ordered molecular conductor, β-(meso-DMBEDT-TTF)2PF6, was analyzed by the comparison of the experimental results of Vsample(t) measurement with the simulated behavior utilizing the self-heating effect. The fast resistance drop and the appearance of metastable state are confirmed to be non-thermal but electric-field responses. Moreover, the Raman spectroscopy measurement indicates that the electric-field-induced metastable state is the homogeneous charge-fluctuated state.