Effects of vortex-vortex interactions on ion-track pinning in high-TC superconductors

K. E. Gray; D. G. Steel; J. D. Hettinger; D. J. Miller; B. R. Washburn; M. Ware; J. T. Parkman; M. E. Yoder; C. Moreau; M. M. Eddy

doi:10.1109/77.620979

Effects of vortex-vortex interactions on ion-track pinning in high-T_C superconductors

K. E. Gray, D. G. Steel, J. D. Hettinger, D. J. Miller, B. R. Washburn, M. Ware, J. T. Parkman, M. E. Yoder, C. Moreau, M. M. Eddy

Physics

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

Many superconductor applications rely on the ability to pin vortex lattices. This ability depends on structural defects to pin individual vortices, but vortex-vortex interactions often play an important role in pinning the other vortices. Experimental progress on this complex problem can be made by introducing random arrays of well-defined pinning centers and studying the flux dynamics for a range of vortex densities (i. e. , fields). The results of such studies in epitaxial Tl₂Ba₂CaCu₂O_y films containing ion tracks show the importance of vortex-vortex interactions. As an example, the effective pinning field of the defects rises to many times the ion-dose field for temperatures well below T_C.

Original language	English (US)
Pages (from-to)	1987-1992
Number of pages	6
Journal	IEEE Transactions on Applied Superconductivity
Volume	7
Issue number	2 PART 2
DOIs	https://doi.org/10.1109/77.620979
State	Published - 1997

All Science Journal Classification (ASJC) codes

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

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title = "Effects of vortex-vortex interactions on ion-track pinning in high-TC superconductors",

abstract = "Many superconductor applications rely on the ability to pin vortex lattices. This ability depends on structural defects to pin individual vortices, but vortex-vortex interactions often play an important role in pinning the other vortices. Experimental progress on this complex problem can be made by introducing random arrays of well-defined pinning centers and studying the flux dynamics for a range of vortex densities (i. e. , fields). The results of such studies in epitaxial Tl2Ba2CaCu2Oy films containing ion tracks show the importance of vortex-vortex interactions. As an example, the effective pinning field of the defects rises to many times the ion-dose field for temperatures well below TC.",

author = "Gray, {K. E.} and Steel, {D. G.} and Hettinger, {J. D.} and Miller, {D. J.} and Washburn, {B. R.} and M. Ware and Parkman, {J. T.} and Yoder, {M. E.} and C. Moreau and Eddy, {M. M.}",

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Effects of vortex-vortex interactions on ion-track pinning in high-T_C superconductors. / Gray, K. E.; Steel, D. G.; Hettinger, J. D.; Miller, D. J.; Washburn, B. R.; Ware, M.; Parkman, J. T.; Yoder, M. E.; Moreau, C.; Eddy, M. M.

In: IEEE Transactions on Applied Superconductivity, Vol. 7, No. 2 PART 2, 1997, p. 1987-1992.

Research output: Contribution to journal › Article › peer-review

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T1 - Effects of vortex-vortex interactions on ion-track pinning in high-TC superconductors

AU - Gray, K. E.

AU - Steel, D. G.

AU - Hettinger, J. D.

AU - Miller, D. J.

AU - Washburn, B. R.

AU - Ware, M.

AU - Parkman, J. T.

AU - Yoder, M. E.

AU - Moreau, C.

AU - Eddy, M. M.

PY - 1997

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AB - Many superconductor applications rely on the ability to pin vortex lattices. This ability depends on structural defects to pin individual vortices, but vortex-vortex interactions often play an important role in pinning the other vortices. Experimental progress on this complex problem can be made by introducing random arrays of well-defined pinning centers and studying the flux dynamics for a range of vortex densities (i. e. , fields). The results of such studies in epitaxial Tl2Ba2CaCu2Oy films containing ion tracks show the importance of vortex-vortex interactions. As an example, the effective pinning field of the defects rises to many times the ion-dose field for temperatures well below TC.

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