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  3. Pinning energy of GdBa2Cu3O7-δ - Irradiation and magnetic field effects

Pinning energy of GdBa2Cu3O7-δ - Irradiation and magnetic field effects

Daadmehr, V ; Sharif University of Technology | 2002

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  1. Type of Document: Article
  2. DOI: 10.1016/S0921-4526(02)01028-1
  3. Publisher: 2002
  4. Abstract:
  5. We have investigated proton irradiation effects in GdBa2Cu3O7-δ sintered polycrystalline samples with predominantly orthorhombic phase. The samples were irradiated with 0, 1.5, 2, and 2.5 MeV proton beams at 1 × 1015 cm-2 dose. The magnetic and proton energy dependence of the effective pinning energy, Ueff, have been determined from the corresponding electrical transport measurements under a magnetic field of up to 10 kOe. The magnetic dependence of Ueff shows a progress of vortex localization in the vortex state, which varies from H-0.51 to H-0.37 with increasing proton energy. Our results also show a power law-like behavior for Ueff as a function of proton energy. © 2002 Elsevier Science B.V. All rights reserved
  6. Keywords:
  7. GdBa2Cu3O7-δ ; Intergrain and intragain properties ; Pinning energy
  8. Source: Proceedings of the Second Regional Conference on Magnetic and (MSS-01), Irbid, 9 September 2001 through 13 September 2001 ; Volume 321, Issue 1-4 , 2002 , Pages 313-316 ; 09214526 (ISSN)
  9. URL: https://www.sciencedirect.com/science/article/abs/pii/S0921452602010281