Increased pinning energies and critical current densities in heavy-ion-irradiated Bi2Sr2CaCu2O8 single crystals

J. A. Cutro, D. A. Rudman, T. P. Orlando, R. B. Van Dover, Lynn Schneemeyer, A. E. White, E. M. Gyorgy, J. V. Waszczak, R. J. Felder

Research output: Contribution to journalArticle

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Abstract

We report a significant increase in the pinning energy of vortices in single-crystal Bi2Sr2CaCu2O8 when irradiated with heavy ions such as Ar+. This is in contrast with the results of light ion (H+, He+) irradiations which give pinning energies comparable with those of unirradiated crystals. The stronger pinning is attributed to defects larger than point defects, e.g., clusters or amorphized regions. As a result of higher pinning energies, critical currents persist at markedly higher temperatures and fields.

Original languageEnglish
Pages (from-to)759-761
Number of pages3
JournalApplied Physics Letters
Volume62
Issue number7
DOIs
StatePublished - 1 Dec 1993

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critical current
heavy ions
current density
single crystals
energy
light ions
point defects
vortices
irradiation
defects
crystals

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Cutro, J. A., Rudman, D. A., Orlando, T. P., Van Dover, R. B., Schneemeyer, L., White, A. E., ... Felder, R. J. (1993). Increased pinning energies and critical current densities in heavy-ion-irradiated Bi2Sr2CaCu2O8 single crystals. Applied Physics Letters, 62(7), 759-761. https://doi.org/10.1063/1.108570
Cutro, J. A. ; Rudman, D. A. ; Orlando, T. P. ; Van Dover, R. B. ; Schneemeyer, Lynn ; White, A. E. ; Gyorgy, E. M. ; Waszczak, J. V. ; Felder, R. J. / Increased pinning energies and critical current densities in heavy-ion-irradiated Bi2Sr2CaCu2O8 single crystals. In: Applied Physics Letters. 1993 ; Vol. 62, No. 7. pp. 759-761.
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Cutro, JA, Rudman, DA, Orlando, TP, Van Dover, RB, Schneemeyer, L, White, AE, Gyorgy, EM, Waszczak, JV & Felder, RJ 1993, 'Increased pinning energies and critical current densities in heavy-ion-irradiated Bi2Sr2CaCu2O8 single crystals', Applied Physics Letters, vol. 62, no. 7, pp. 759-761. https://doi.org/10.1063/1.108570

Increased pinning energies and critical current densities in heavy-ion-irradiated Bi2Sr2CaCu2O8 single crystals. / Cutro, J. A.; Rudman, D. A.; Orlando, T. P.; Van Dover, R. B.; Schneemeyer, Lynn; White, A. E.; Gyorgy, E. M.; Waszczak, J. V.; Felder, R. J.

In: Applied Physics Letters, Vol. 62, No. 7, 01.12.1993, p. 759-761.

Research output: Contribution to journalArticle

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AU - Cutro, J. A.

AU - Rudman, D. A.

AU - Orlando, T. P.

AU - Van Dover, R. B.

AU - Schneemeyer, Lynn

AU - White, A. E.

AU - Gyorgy, E. M.

AU - Waszczak, J. V.

AU - Felder, R. J.

PY - 1993/12/1

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N2 - We report a significant increase in the pinning energy of vortices in single-crystal Bi2Sr2CaCu2O8 when irradiated with heavy ions such as Ar+. This is in contrast with the results of light ion (H+, He+) irradiations which give pinning energies comparable with those of unirradiated crystals. The stronger pinning is attributed to defects larger than point defects, e.g., clusters or amorphized regions. As a result of higher pinning energies, critical currents persist at markedly higher temperatures and fields.

AB - We report a significant increase in the pinning energy of vortices in single-crystal Bi2Sr2CaCu2O8 when irradiated with heavy ions such as Ar+. This is in contrast with the results of light ion (H+, He+) irradiations which give pinning energies comparable with those of unirradiated crystals. The stronger pinning is attributed to defects larger than point defects, e.g., clusters or amorphized regions. As a result of higher pinning energies, critical currents persist at markedly higher temperatures and fields.

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