The paramagnetic Meissner effect in Nd2-xCexCuOy superconductors at 40 G and flux trapping

Gunadhor S. Okram; D. T. Adroja; B. D. Padalia; Om Prakash; P. A.J. De Groot

doi:10.1088/0953-8984/9/38/001

The paramagnetic Meissner effect in Nd_2-xCe_xCuO_y superconductors at 40 G and flux trapping

Gunadhor S. Okram, D. T. Adroja, B. D. Padalia, Om Prakash, P. A.J. De Groot

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

17 Citations (Scopus)

Abstract

The paramagnetic Meissner effect (PME) has been observed in Nd_2-xCe_xCuO_y superconductors at 40 G. The origin of the effect has been considered on the basis of the local oxygen variation which implies non-superconducting or lower-T_c regions embedded inside the higher-T_c layers of superconducting (SC) grains or portions. These shell-like varying-T_c SC layers in turn apparently create 'cumulatively compressed flux trapping' and hence the PME. The exhibition of PME seemingly depends on the type of defect as well as their density.

Original language	English
Pages (from-to)	L525-L531
Journal	Journal of Physics Condensed Matter
Volume	9
Issue number	38
DOIs	https://doi.org/10.1088/0953-8984/9/38/001
Publication status	Published - 22 Sept 1997
Externally published	Yes

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics

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abstract = "The paramagnetic Meissner effect (PME) has been observed in Nd2-xCexCuOy superconductors at 40 G. The origin of the effect has been considered on the basis of the local oxygen variation which implies non-superconducting or lower-Tc regions embedded inside the higher-Tc layers of superconducting (SC) grains or portions. These shell-like varying-Tc SC layers in turn apparently create 'cumulatively compressed flux trapping' and hence the PME. The exhibition of PME seemingly depends on the type of defect as well as their density.",

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AU - Prakash, Om

AU - De Groot, P. A.J.

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AB - The paramagnetic Meissner effect (PME) has been observed in Nd2-xCexCuOy superconductors at 40 G. The origin of the effect has been considered on the basis of the local oxygen variation which implies non-superconducting or lower-Tc regions embedded inside the higher-Tc layers of superconducting (SC) grains or portions. These shell-like varying-Tc SC layers in turn apparently create 'cumulatively compressed flux trapping' and hence the PME. The exhibition of PME seemingly depends on the type of defect as well as their density.

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The paramagnetic Meissner effect in Nd_2-xCe_xCuO_y superconductors at 40 G and flux trapping

Abstract

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