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Proceedings Paper

Irradiation effect on the pinning potential of YBCO single crystal
Author(s): Sergei N. Barilo; Valentina I. Gatalskaya; Gennadii V. Gatalskii; Sergei L. Kurockin
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Paper Abstract

The results of the magnetization measurements of single crystal of Yba2Cu3Oy with Tc equals 91K are adduced. The temperature, field and time dependencies of the remnant magnetization Mr(T, B, t) were obtained using VSM method for the temperature range from 4.2 K to 75 K for Hc configuration. The single crystal has been irradiated by the fast electrons with fluences up to 2 X 1018 cm-2. The relaxation of Mr(t) obeys to the logarithmic law for the time interval t equals 1 h for whole temperature range except the approximately 30-50 K interval for starting and irradiated states. After irradiation the Jc decease despite the flux creep reduction. The irradiation become less effective at high temperatures. The results are discussed in frame of conventional flux creep theory and of the interaction model of radiation defects with the background ones.

Paper Details

Date Published: 10 August 2001
PDF: 4 pages
Proc. SPIE 4412, International Conference on Solid State Crystals 2000: Growth, Characterization, and Applications of Single Crystals, (10 August 2001); doi: 10.1117/12.435837
Show Author Affiliations
Sergei N. Barilo, Institute of Solid State and Semiconductor Physics (Belarus)
Valentina I. Gatalskaya, Institute of Solid State and Semiconductor Physics (Belarus)
Gennadii V. Gatalskii, Institute of Solid State and Semiconductor Physics (Belarus)
Sergei L. Kurockin, Institute of Solid State and Semiconductor Physics (Belarus)


Published in SPIE Proceedings Vol. 4412:
International Conference on Solid State Crystals 2000: Growth, Characterization, and Applications of Single Crystals

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