Vortex line pinning and Bose-glass dynamics in heavy-ion irradiated Bi[sub 2]Sr[sub 2]CaCu[sub 2]O[sub 8+[delta]] single crystals

Journal Article · Sun Feb 12 23:00:00 EST 1995 · Physical Review Letters; (United States)

DOI:https://doi.org/10.1103/PhysRevLett.74.1214· OSTI ID:6566547

van der Beek, C J; Konczykowski, M; Vinokur, V M; Li, T W; Kes, P H; Crabtree, G W ^[1]

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1. Materials Science Division and Science and Technology Center for Superconductivity, Argonne National Laboratory, Argonne, Illinois 60439 (United States) Laboratoire des Solides Irradies, Ecole Polytechnique, 91128 Palaiseau (France) Kamerlingh Onnes Laboratorium, Leiden University, P.O. Box 9506, 2300RA Leiden (Netherlands)

The angular dependence of the ac screening of Bi[sub 2]Sr[sub 2]CaCu[sub 2]O[sub 8+[delta]] single crystals irradiated with 5.8 GeV Pb ions is used to demonstrate the importance of interactions between vortex segments in different CuO[sub 2] layers. The field tilt angle below which pinning by the columnar defects is effective is very large: [Theta][sub [ital a]][approx]70[degree]. The magnitude and frequency dependence of the shielding current as well as the frequency dependence of the irreversibility line are self-consistently described by the Bose-glass theory. The irreversibility line is shown to be determined by the flux creep rate.

• Research Organization: Argonne National Laboratory (ANL), Argonne, IL
• DOE Contract Number: W-31109-ENG-38
• OSTI ID: 6566547
• Journal Information: Physical Review Letters; (United States), Journal Name: Physical Review Letters; (United States) Vol. 74:7; ISSN 0031-9007; ISSN PRLTAO
• Country of Publication: United States
• Language: English

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BISMUTH COMPOUNDS
BISMUTH OXIDES
CALCIUM COMPOUNDS
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CHALCOGENIDES
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LEAD IONS
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MONOCRYSTALS
OXIDES
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