Vortex Pinning of Anisotropically Splayed Defects in YBa{sub 2}Cu{sub 3}O {sub 7{minus}{ital {delta}}}
Journal Article
·
· Physical Review Letters
- Materials Science and Science and Technology Center for Superconductivity, Argonne National Laboratory, Argonne, Illinois 60435 (United States)
Pinning by splayed defects created by 3.9GeV {sup 197}Au{sup 29+} ions is studied using transport measurements of vortex motion perpendicular and parallel to the splay plane in untwinned crystals of YBa{sub 2}Cu{sub 3}O{sub 7{minus}{delta}} . We compare the transport properties of the crystals and demonstrate (i) a new 1/H dependence of the vortex liquid pinning energy, (ii)a crossing of the irreversibility lines before and after irradiation, and (iii)a stronger temperature dependence of the critical current for vortex motion perpendicular to the splay plane than for motion parallel to the splay plane. {copyright} {ital 1998} {ital The American Physical Society}
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 573894
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 3 Vol. 80; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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Sun Mar 31 23:00:00 EST 1991
· AIP Conference Proceedings (American Institute of Physics); (United States)
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OSTI ID:5101269