Influence of irradiation-induced latent tracks on local flux pinning in bi-2212 crystals

M. Leghissa, Th Schuster, W. Gerhäuser, S. Klaumünzer, Michael Rudolf Koblischka, H. Kronmüller, H. Kuhn, H. W. Neumüller, G. Saemann-Ischenko

Research output: Contribution to journalLetter

23 Citations (Scopus)

Abstract

For the first time the influence of irradiation-induced columnar defects (0.5 GeV I-ions) on flux line pinning in Bi-2212 crystals has been investigated by means of the high-resolution magneto-optical Faraday effect. By irradiating only a part of each sample, the local change in the flux pinning has been determined. Irradiated and nonirradiated parts have been investigated simultaneously under the same experimental conditions. At T = 5 K and μ0Hext = (0 4 300) mT a large enhancement of jc m is found in the irradiated region. The observation of the time dependence of the flux density distribution yields small values for the pinning potential U, supporting the model of two-dimensional pancake vortex pinning.

Original languageEnglish
Pages (from-to)323-328
Number of pages6
JournalEPL
Volume19
Issue number4
DOIs
Publication statusPublished - 1992 Jun 15
Externally publishedYes

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flux pinning
irradiation
crystals
Faraday effect
time dependence
density distribution
flux density
vortices
augmentation
high resolution
defects
ions

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Leghissa, M., Schuster, T., Gerhäuser, W., Klaumünzer, S., Koblischka, M. R., Kronmüller, H., ... Saemann-Ischenko, G. (1992). Influence of irradiation-induced latent tracks on local flux pinning in bi-2212 crystals. EPL, 19(4), 323-328. https://doi.org/10.1209/0295-5075/19/4/013

Influence of irradiation-induced latent tracks on local flux pinning in bi-2212 crystals. / Leghissa, M.; Schuster, Th; Gerhäuser, W.; Klaumünzer, S.; Koblischka, Michael Rudolf; Kronmüller, H.; Kuhn, H.; Neumüller, H. W.; Saemann-Ischenko, G.

In: EPL, Vol. 19, No. 4, 15.06.1992, p. 323-328.

Research output: Contribution to journalLetter

Leghissa, M, Schuster, T, Gerhäuser, W, Klaumünzer, S, Koblischka, MR, Kronmüller, H, Kuhn, H, Neumüller, HW & Saemann-Ischenko, G 1992, 'Influence of irradiation-induced latent tracks on local flux pinning in bi-2212 crystals', EPL, vol. 19, no. 4, pp. 323-328. https://doi.org/10.1209/0295-5075/19/4/013
Leghissa M, Schuster T, Gerhäuser W, Klaumünzer S, Koblischka MR, Kronmüller H et al. Influence of irradiation-induced latent tracks on local flux pinning in bi-2212 crystals. EPL. 1992 Jun 15;19(4):323-328. https://doi.org/10.1209/0295-5075/19/4/013
Leghissa, M. ; Schuster, Th ; Gerhäuser, W. ; Klaumünzer, S. ; Koblischka, Michael Rudolf ; Kronmüller, H. ; Kuhn, H. ; Neumüller, H. W. ; Saemann-Ischenko, G. / Influence of irradiation-induced latent tracks on local flux pinning in bi-2212 crystals. In: EPL. 1992 ; Vol. 19, No. 4. pp. 323-328.
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AU - Koblischka, Michael Rudolf

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