PERIODIC MICROWAVE-ABSORPTION IN SUPERCONDUCTING WHISKERS

The microwave absorption and structural studies of BiSrCaCuO (2212) wh iskers have been performed. The low-angle boundaries in the (a, b) and (a, c) planes have been observed. The periodic microwave absorption s ignal indicated the flux quantization in a system of weak links and su perconducting loops formed on the boundaries. Regular character of thi s signal suggests possible applications in SQUID magnetometry. Lower J osephson critical field H-c1J = 1.6 Oe and the critical temperature T- c = 89 K have been determined. The Josephson penetration depth was est imated from the Ginzgurg-Landau, and Clem models.