Logarithmic-to-nonlogarithmic flux-creep transition and magnetic-flux hardening in Bi-Sr-Ca-Cu-O superconducting ceramics

H. Safar, C. Durn, J. Guimpel, L. Civale, J. Luzuriaga, E. Rodriguez, F. De La Cruz, C. Fainstein, Lynn Schneemeyer, J. V. Waszczak

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Abstract

A sharp temperature- and field-dependent transition from a logarithmic to a nonlogarithmic flux-creep behavior has been found in Bi-Sr-Ca-Cu-O superconductors. The transition is not followed by any noticeable change in the magnetization. However, vibrating-reed measurements show that it coincides with a strong hardening of the magnetic structure. The transition occurs at fields and temperatures well below the reversibility line. The possible relation to the recently proposed flux lattice melting is discussed.

Original languageEnglish
Pages (from-to)7380-7383
Number of pages4
JournalPhysical Review B
Volume40
Issue number10
DOIs
StatePublished - 1 Jan 1989

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Magnetic flux
hardening
magnetic flux
Hardening
Creep
ceramics
Fluxes
Magnetic structure
BSCCO superconductors
Superconducting materials
Magnetization
Melting
Temperature
melting
magnetization
temperature

Cite this

Safar, H., Durn, C., Guimpel, J., Civale, L., Luzuriaga, J., Rodriguez, E., ... Waszczak, J. V. (1989). Logarithmic-to-nonlogarithmic flux-creep transition and magnetic-flux hardening in Bi-Sr-Ca-Cu-O superconducting ceramics. Physical Review B, 40(10), 7380-7383. https://doi.org/10.1103/PhysRevB.40.7380
Safar, H. ; Durn, C. ; Guimpel, J. ; Civale, L. ; Luzuriaga, J. ; Rodriguez, E. ; De La Cruz, F. ; Fainstein, C. ; Schneemeyer, Lynn ; Waszczak, J. V. / Logarithmic-to-nonlogarithmic flux-creep transition and magnetic-flux hardening in Bi-Sr-Ca-Cu-O superconducting ceramics. In: Physical Review B. 1989 ; Vol. 40, No. 10. pp. 7380-7383.
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abstract = "A sharp temperature- and field-dependent transition from a logarithmic to a nonlogarithmic flux-creep behavior has been found in Bi-Sr-Ca-Cu-O superconductors. The transition is not followed by any noticeable change in the magnetization. However, vibrating-reed measurements show that it coincides with a strong hardening of the magnetic structure. The transition occurs at fields and temperatures well below the reversibility line. The possible relation to the recently proposed flux lattice melting is discussed.",
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Safar, H, Durn, C, Guimpel, J, Civale, L, Luzuriaga, J, Rodriguez, E, De La Cruz, F, Fainstein, C, Schneemeyer, L & Waszczak, JV 1989, 'Logarithmic-to-nonlogarithmic flux-creep transition and magnetic-flux hardening in Bi-Sr-Ca-Cu-O superconducting ceramics', Physical Review B, vol. 40, no. 10, pp. 7380-7383. https://doi.org/10.1103/PhysRevB.40.7380

Logarithmic-to-nonlogarithmic flux-creep transition and magnetic-flux hardening in Bi-Sr-Ca-Cu-O superconducting ceramics. / Safar, H.; Durn, C.; Guimpel, J.; Civale, L.; Luzuriaga, J.; Rodriguez, E.; De La Cruz, F.; Fainstein, C.; Schneemeyer, Lynn; Waszczak, J. V.

In: Physical Review B, Vol. 40, No. 10, 01.01.1989, p. 7380-7383.

Research output: Contribution to journalArticleResearchpeer-review

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AU - Safar, H.

AU - Durn, C.

AU - Guimpel, J.

AU - Civale, L.

AU - Luzuriaga, J.

AU - Rodriguez, E.

AU - De La Cruz, F.

AU - Fainstein, C.

AU - Schneemeyer, Lynn

AU - Waszczak, J. V.

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AB - A sharp temperature- and field-dependent transition from a logarithmic to a nonlogarithmic flux-creep behavior has been found in Bi-Sr-Ca-Cu-O superconductors. The transition is not followed by any noticeable change in the magnetization. However, vibrating-reed measurements show that it coincides with a strong hardening of the magnetic structure. The transition occurs at fields and temperatures well below the reversibility line. The possible relation to the recently proposed flux lattice melting is discussed.

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