Photochromic oligothiophene substituted chromenes a new approach towards a molecular switch: electrical characterisationA. Yassar, H. Jaafari, N. Rebière-Galy, M. Frigoli, C. Moustrou, A. Samat and R. GuglielmettiEur. Phys. J. AP, 18 1 (2002) 3-8DOI: https://doi.org/10.1051/epjap:2002020