Experimental Evidence for the Vortex Glass Phase in Untwinned, Proton Irradiated YBa{sub 2}Cu{sub 3}O{sub 7-{delta}}
Journal Article
·
· Physical Review Letters
We report on magnetoresistance measurements of the effects of 9 MeV proton irradiation on a clean, untwinned single crystal of YBa{sub 2}Cu {sub 3}O{sub 7-{delta}} . For the first time, evidence for a vortex glass transition is detected in an untwinned single crystal of YBa{sub 2}Cu {sub 3}O{sub 7-{delta}} with induced pointlike disorder, in which the first order vortex melting transition is completely suppressed after proton irradiation. Our results suggest that a sufficiently high pinning disorder is required in order for the vortex glass phase to be observed. (c) 2000 The American Physical Society.
- OSTI ID:
- 20216899
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 25 Vol. 84; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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