Digitale Medien
[S.l.]
:
American Institute of Physics (AIP)
Journal of Applied Physics
83 (1998), S. 377-381
ISSN:
1089-7550
Quelle:
AIP Digital Archive
Thema:
Physik
Notizen:
It is known that the superconducting properties of YBa2Cu3Oy are strongly dependent on the oxygen content, which affects the anisotropy and the doping level. We measured the magnetic properties of the same YBa2Cu3Oy single crystal in order to systematically study the effect of oxygen annealing condition. The doping level could be controlled simply by changing the annealing temperature. The overdoped samples exhibited a very high irreversibility field of 〉7 T at 77 K and for the H(parallel)c, although the critical temperature was slightly lower than that of the optimum doped sample. The secondary peak effects are observed for all the samples, however, the source of the peak effect was rather complicated and depended on the annealing conditions. © 1998 American Institute of Physics.
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1063/1.366715
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