Transparency of the ab Planes of Bi2Sr2CaCu2O8+δ to Magnetic Fields
Abstract
A sample composed of many Bi2Sr2CaCu2O8+δ single crystals was cooled to 2 K in a magnetic field of 100 G at 45° from the c axis. Muon-spin-rotation measurements were made for which the polarization was initially approximately in the ab plane. The time dependent polarization components along this initial direction and along the c axis were obtained. Cosine transforms of these and subsequent measurements were made. Upon removing the applied field, still at 2 K, only the c axis component of the field remained in the sample, thus providing microscopic evidence for extreme 2D behavior for the vortices even at this temperature.
- Publication:
-
Physical Review Letters
- Pub Date:
- January 1998
- DOI:
- 10.1103/PhysRevLett.80.592
- Bibcode:
- 1998PhRvL..80..592K