Vortex Channeling and the V-I Characteristic of YBa2Cu3O7 Low Angle Grain Boundaries

M. J. Hogg, F. Kahlmann, E. J. Tarte +2

We have performed V-I measurements on a thin film YBa2Cu3O7 4^o [001] tilt low angle grain boundary over an extensive range of temperature and field, verifying the presence of a li…