Low temperature direct measurements of H c2 in HTSC using megagauss magnetic fields
Abstract
The measurements of upper critical fields in YBCO and BSCCO polycrystalline samples and YBCO epitaxial films were carried out at low temperatures in ultrahigh pulsed magnetic field obtained in magnetocumulative generator MC-1. The values of critical fields at 4.2 K defined by different methods were found to be 168±26 T and 200±25 T for YBCO and BSCCO polycrystalline samples, respectively, and 110±10 T for YBCO films.
- Publication:
-
Physica C Superconductivity
- Pub Date:
- December 1991
- DOI:
- 10.1016/0921-4534(91)91055-9
- Bibcode:
- 1991PhyC..185.1859G