Flux pinning enhancement near Tc in YBa2Cu3O7 crystals irradiated by 5.3 GeV Pb ions
β Scribed by M. Konczykowski; F. Rullier-Albenque; Y. Yeshurun; E.R. Yacoby; A. Shaulov; P. Lejay
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 216 KB
- Volume
- 185-189
- Category
- Article
- ISSN
- 0921-4534
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π SIMILAR VOLUMES
Single crystals of YBaZCu@\_d were irradiated at 95 K by 5.6 GeV Xe ions and the evolutions of the superconducting resistive curves -measured parallel and perpendicular to the c axis -were determined in situ as a function of ion fluences. We find that pc and pob increase linearly with the fluence an
Hf and Ca substituted samples with stoichiometric compositions (Y,\_,Hf,,)Ba,Cu,O, with x=0.0, 0.1, 0.2 and (Y o.ss\_vCa,Hf,.,,)Ba,Cu,O, with y= 0.1, 0.2, 0.4, respectively, prepared under identical conditions have been characterized by d.c. magnetization and thermogravimetric analysis measurements.