Evidence of strong flux pinning in melt-processed ternary (Nd-Eu-Gd)Ba2Cu3Oy superconductors

A. K. Pradhan; M. Muralidhar; M. R. Koblischka; M. Murakami; K. Nakao; N. Koshizuka

doi:10.1063/1.124339

Evidence of strong flux pinning in melt-processed ternary (Nd-Eu-Gd)Ba₂Cu₃O_y superconductors

A. K. Pradhan, M. Muralidhar, M. R. Koblischka, M. Murakami, K. Nakao, N. Koshizuka

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

30 Citations (Scopus)

Abstract

The resistive transitions in magnetic fields, the voltage-current characteristics and magnetization for several (Nd_0.33Eu_0.33Gd_0.33)Ba₂Cu₃O_y (NEG) samples with varying degrees of second-phase additions are reported. The vortex viscosity increases remarkably with the addition of the second phase, promoting the vortex entanglement in the liquid phase. Results suggest that the viscosity of the vortex liquid state increases due to the spatial variation of T_c and with the addition of the second phase with Pt.

Original language	English
Pages (from-to)	253-255
Number of pages	3
Journal	Applied Physics Letters
Volume	75
Issue number	2
DOIs	https://doi.org/10.1063/1.124339
Publication status	Published - 1999 Jul 12
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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abstract = "The resistive transitions in magnetic fields, the voltage-current characteristics and magnetization for several (Nd0.33Eu0.33Gd0.33)Ba2Cu3Oy (NEG) samples with varying degrees of second-phase additions are reported. The vortex viscosity increases remarkably with the addition of the second phase, promoting the vortex entanglement in the liquid phase. Results suggest that the viscosity of the vortex liquid state increases due to the spatial variation of Tc and with the addition of the second phase with Pt.",

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AU - Pradhan, A. K.

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AU - Koblischka, M. R.

AU - Murakami, M.

AU - Nakao, K.

AU - Koshizuka, N.

PY - 1999/7/12

Y1 - 1999/7/12

N2 - The resistive transitions in magnetic fields, the voltage-current characteristics and magnetization for several (Nd0.33Eu0.33Gd0.33)Ba2Cu3Oy (NEG) samples with varying degrees of second-phase additions are reported. The vortex viscosity increases remarkably with the addition of the second phase, promoting the vortex entanglement in the liquid phase. Results suggest that the viscosity of the vortex liquid state increases due to the spatial variation of Tc and with the addition of the second phase with Pt.

AB - The resistive transitions in magnetic fields, the voltage-current characteristics and magnetization for several (Nd0.33Eu0.33Gd0.33)Ba2Cu3Oy (NEG) samples with varying degrees of second-phase additions are reported. The vortex viscosity increases remarkably with the addition of the second phase, promoting the vortex entanglement in the liquid phase. Results suggest that the viscosity of the vortex liquid state increases due to the spatial variation of Tc and with the addition of the second phase with Pt.

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Evidence of strong flux pinning in melt-processed ternary (Nd-Eu-Gd)Ba₂Cu₃O_y superconductors

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