Dissipative behavior and γ-irradiation of silver-sheathed Bi1.8Pb0.4Sr2Ca2Cu3Ox tape

B. A. Albiss, M. K. Hasan, M. A. Al-Akhras, I. A. Al-Omari, A. Shariah, J. Shobaki, K. A. Azez, H. Ozkan

Research output: Contribution to journalArticle

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Abstract

Dissipative mechanisms in Bi1.8Pb0.4Sr2Ca2Cu3Ox tapes were investigated using magnetoresistance measurements and V-I characteristics. A considerable broadening of the resistive transition in applied magnetic field was observed up to a field of 0.5 T. The temperature and magnetic field dependence of the resistance R(T,B) were fitted to the Arrhenius relation and from which the magnetic field dependence of the pinning energy U0(B) approx. B with α ≈ 0.9 was derived. The variations of the critical current densities Jc with temperature and magnetic field before and after γ-irradiation were also studied. The temperature dependence of Jc(T) was fitted to the relation Jc(T) approx. (1 - T/Tc)n with n = 1.9 and discussed in terms of thermally activated flux flow (TAFF). However, Jc(B) results were explained based on the weak links, grain boundaries, and Josephson junctions in which it shows a power law behaviour Jc(B) approx. B-0.5. At relatively low temperatures and magnetic fields, the critical current density was increased with a γ-irradiation up to a dose of 100 MR.

Original languageEnglish
Pages (from-to)297-301
Number of pages5
JournalPhysica C: Superconductivity and its Applications
Volume331
Issue number3
DOIs
Publication statusPublished - May 1 2000

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Silver
Tapes
tapes
silver
Irradiation
Magnetic fields
irradiation
magnetic fields
Temperature distribution
temperature distribution
critical current
current density
Magnetoresistance
Josephson junctions
Dosimetry
Grain boundaries
grain boundaries
Fluxes
dosage
temperature dependence

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Dissipative behavior and γ-irradiation of silver-sheathed Bi1.8Pb0.4Sr2Ca2Cu3Ox tape. / Albiss, B. A.; Hasan, M. K.; Al-Akhras, M. A.; Al-Omari, I. A.; Shariah, A.; Shobaki, J.; Azez, K. A.; Ozkan, H.

In: Physica C: Superconductivity and its Applications, Vol. 331, No. 3, 01.05.2000, p. 297-301.

Research output: Contribution to journalArticle

Albiss, B. A. ; Hasan, M. K. ; Al-Akhras, M. A. ; Al-Omari, I. A. ; Shariah, A. ; Shobaki, J. ; Azez, K. A. ; Ozkan, H. / Dissipative behavior and γ-irradiation of silver-sheathed Bi1.8Pb0.4Sr2Ca2Cu3Ox tape. In: Physica C: Superconductivity and its Applications. 2000 ; Vol. 331, No. 3. pp. 297-301.
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