Cooperative behavior of the random and correlated pinning in Er123 films with columnar defects

Satoshi Awaji, Masafumi Namba, Kazuo Watanabe, Shun Ito, Eiji Aoyagi, Hideki Kai, Masashi Mukaida, Satoru Okayasu

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The flux pinning behaviors for the heavy ion irradiated Er123 films are investigated based on the detailed Jc(B,T,θ) properties. The double peaks of Fp curves for B // c appear in case of the matching field of 0.3 T along c-axis and 1.7 T tilted from c-axis. In addition, the peaks on Jc (θ) at θ = 0° (B // c) , which originate from the columnar defects, decrease with increasing magnetic field but increase again near the irreversibility field.We found that the cooperation model of the c-axis correlated and random pinning centers can describe the observed double peak behavior of Fp(B) and the angular dependence of Jc related to the correlated pinning.

Original languageEnglish
Article number5634063
Pages (from-to)3192-3195
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Volume21
Issue number3 PART 3
DOIs
Publication statusPublished - Jun 1 2011

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Flux pinning
Heavy Ions
Heavy ions
Magnetic fields
Defects
defects
flux pinning
heavy ions
curves
magnetic fields

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering
  • Condensed Matter Physics
  • Electronic, Optical and Magnetic Materials

Cite this

Awaji, S., Namba, M., Watanabe, K., Ito, S., Aoyagi, E., Kai, H., ... Okayasu, S. (2011). Cooperative behavior of the random and correlated pinning in Er123 films with columnar defects. IEEE Transactions on Applied Superconductivity, 21(3 PART 3), 3192-3195. [5634063]. https://doi.org/10.1109/TASC.2010.2089588

Cooperative behavior of the random and correlated pinning in Er123 films with columnar defects. / Awaji, Satoshi; Namba, Masafumi; Watanabe, Kazuo; Ito, Shun; Aoyagi, Eiji; Kai, Hideki; Mukaida, Masashi; Okayasu, Satoru.

In: IEEE Transactions on Applied Superconductivity, Vol. 21, No. 3 PART 3, 5634063, 01.06.2011, p. 3192-3195.

Research output: Contribution to journalArticle

Awaji, S, Namba, M, Watanabe, K, Ito, S, Aoyagi, E, Kai, H, Mukaida, M & Okayasu, S 2011, 'Cooperative behavior of the random and correlated pinning in Er123 films with columnar defects', IEEE Transactions on Applied Superconductivity, vol. 21, no. 3 PART 3, 5634063, pp. 3192-3195. https://doi.org/10.1109/TASC.2010.2089588
Awaji, Satoshi ; Namba, Masafumi ; Watanabe, Kazuo ; Ito, Shun ; Aoyagi, Eiji ; Kai, Hideki ; Mukaida, Masashi ; Okayasu, Satoru. / Cooperative behavior of the random and correlated pinning in Er123 films with columnar defects. In: IEEE Transactions on Applied Superconductivity. 2011 ; Vol. 21, No. 3 PART 3. pp. 3192-3195.
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