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High magnetic field trapping in monolithic single-grain YBa2Cu3O7−δbulk materials (1993)

Gao, L. ; Xue, Y. Y. ; Ramirez, D. ; [et al.]

Woodbury, NY : American Institute of Physics (AIP)

Applied Physics Letters 63 (1993), S. 260-262

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ISSN: 1077-3118

Source: AIP Digital Archive

Topics: Physics

Notes: Results of our study on high magnetic field trapping in unirradiated, high quality monolithic single-grain YBa2Cu3O7−δ disks are reported. A record high 4 T trapped field at the surface of the unirradiated disks is observed. However, below 11 K, large flux avalanches caused by thermal instability severely limit the remnant trapped field. Therefore, flux avalanche, rather than Jc×d, dictates the maximum trapped field at low temperatures. To overcome this problem, a strong high temperature superconductor trapped field magnet is proposed. A novel application of the avalanche effect is also mentioned.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.110360

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