Superconducting properties of (Nd, Eu, Gd)-123

M. Muralidhar; M. Murakami

doi:10.1016/S0921-4534(00)01153-9

Superconducting properties of (Nd, Eu, Gd)-123

M. Muralidhar, M. Murakami

Research output: Contribution to journal › Conference article › peer-review

3 Citations (Scopus)

Abstract

In the aim of optimizing the matrix composition to improve the critical current density (J_c) and to strengthen the flux pinning in the (Nd_0.33Eu_0.33Gd_0.33) Ba₂Cu₃O_y (NEG) bulk superconductors, we prepared two groups of NEG samples using a oxygen controlled melt growth process. For the first group we kept the Nd content constant and varied the Eu and Gd ratio, and for the second group the Gd content was kept constant and the Nd and Eu content was varied. In both cases we found a strongly developed fishtail effect and high critical current densities. Magnetization measurements revealed that, the irreversibility field and the peak position systematically varied with Nd content. However it was not systematic for Gd. The sample with Gd = 0.58 exhibited a large critical current density (J_c) of 90000 A cm^-2 at 77 K and 1.7 T.

Original language	English
Pages (from-to)	2431-2432
Number of pages	2
Journal	Physica C: Superconductivity and its applications
Volume	341-348 (IV)
DOIs	https://doi.org/10.1016/S0921-4534(00)01153-9
Publication status	Published - 2000 Nov
Externally published	Yes
Event	International Conference on Materials and Mechanisms of Superconductivity High Temperature Superconductors VI - Houston, TX, USA Duration: 2000 Feb 20 → 2000 Feb 25

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Energy Engineering and Power Technology
Electrical and Electronic Engineering

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title = "Superconducting properties of (Nd, Eu, Gd)-123",

abstract = "In the aim of optimizing the matrix composition to improve the critical current density (Jc) and to strengthen the flux pinning in the (Nd0.33Eu0.33Gd0.33) Ba2Cu3Oy (NEG) bulk superconductors, we prepared two groups of NEG samples using a oxygen controlled melt growth process. For the first group we kept the Nd content constant and varied the Eu and Gd ratio, and for the second group the Gd content was kept constant and the Nd and Eu content was varied. In both cases we found a strongly developed fishtail effect and high critical current densities. Magnetization measurements revealed that, the irreversibility field and the peak position systematically varied with Nd content. However it was not systematic for Gd. The sample with Gd = 0.58 exhibited a large critical current density (Jc) of 90000 A cm-2 at 77 K and 1.7 T.",

author = "M. Muralidhar and M. Murakami",

year = "2000",

month = nov,

doi = "10.1016/S0921-4534(00)01153-9",

language = "English",

volume = "341-348 (IV)",

pages = "2431--2432",

journal = "Physica C: Superconductivity and its Applications",

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publisher = "Elsevier",

note = "International Conference on Materials and Mechanisms of Superconductivity High Temperature Superconductors VI ; Conference date: 20-02-2000 Through 25-02-2000",

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TY - JOUR

T1 - Superconducting properties of (Nd, Eu, Gd)-123

AU - Muralidhar, M.

AU - Murakami, M.

PY - 2000/11

Y1 - 2000/11

N2 - In the aim of optimizing the matrix composition to improve the critical current density (Jc) and to strengthen the flux pinning in the (Nd0.33Eu0.33Gd0.33) Ba2Cu3Oy (NEG) bulk superconductors, we prepared two groups of NEG samples using a oxygen controlled melt growth process. For the first group we kept the Nd content constant and varied the Eu and Gd ratio, and for the second group the Gd content was kept constant and the Nd and Eu content was varied. In both cases we found a strongly developed fishtail effect and high critical current densities. Magnetization measurements revealed that, the irreversibility field and the peak position systematically varied with Nd content. However it was not systematic for Gd. The sample with Gd = 0.58 exhibited a large critical current density (Jc) of 90000 A cm-2 at 77 K and 1.7 T.

AB - In the aim of optimizing the matrix composition to improve the critical current density (Jc) and to strengthen the flux pinning in the (Nd0.33Eu0.33Gd0.33) Ba2Cu3Oy (NEG) bulk superconductors, we prepared two groups of NEG samples using a oxygen controlled melt growth process. For the first group we kept the Nd content constant and varied the Eu and Gd ratio, and for the second group the Gd content was kept constant and the Nd and Eu content was varied. In both cases we found a strongly developed fishtail effect and high critical current densities. Magnetization measurements revealed that, the irreversibility field and the peak position systematically varied with Nd content. However it was not systematic for Gd. The sample with Gd = 0.58 exhibited a large critical current density (Jc) of 90000 A cm-2 at 77 K and 1.7 T.

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EP - 2432

JO - Physica C: Superconductivity and its Applications

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SN - 0921-4534

T2 - International Conference on Materials and Mechanisms of Superconductivity High Temperature Superconductors VI

Y2 - 20 February 2000 through 25 February 2000

ER -

Superconducting properties of (Nd, Eu, Gd)-123

Abstract

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