Michiel Sprik
Journal of Physics Condensed Matter
We report direct imaging of the critical state in a YBa2Cu3O7-y single crystal. The self-field profiles are obtained by mechanically scanning a high-spatial-resolution Hall-probe array above the crystal surface. The measured field distributions confirm Beans assumption of homogeneity, setting the relevant length scale for the evaluation of the critical currents as the sample size, and are a proof against the weak-link behavior in such crystals. © 1992 The American Physical Society.
Michiel Sprik
Journal of Physics Condensed Matter
Frank R. Libsch, Takatoshi Tsujimura
Active Matrix Liquid Crystal Displays Technology and Applications 1997
M.A. Lutz, R.M. Feenstra, et al.
Surface Science
Michael Ray, Yves C. Martin
Proceedings of SPIE - The International Society for Optical Engineering