Magnetic flux in high Tcsuperconductors: thermal effects
- 1 January 1992
- journal article
- Published by IOP Publishing in Superconductor Science and Technology
- Vol. 5 (1S) , S9-S14
- https://doi.org/10.1088/0953-2048/5/1s/002
Abstract
Mechanical oscillator and susceptibility measurements have been used to study the vortex transition to the reversible magnetic state in high quality single crystals of Bi2.1Sr1.9Ca0.9Cu2O8+ delta , over a wide range of temperatures and fields. The data show that the transition is made in two steps, one at lower temperatures, associated to currents flowing across the Cu-O planes, and the other to currents in the planes.Keywords
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