High Tc Superconducting Flux Flow Transistors : Potential Performances and Problems P. Bernstein, C. Picard, S. Flament, N. Beaudet, J.F. Hamet and R. Bouregba J. Phys. IV France, 06 C3 (1996) C3-373-C3-379 DOI: 10.1051/jp4:1996357