On the anomalous pinning properties of the C15 Laves phase superconductor CeRu2

Sujeet Chaudhary; S. B. Roy; P. Chaddah; L. E. DeLong

doi:10.1088/0953-2048/12/5/311

On the anomalous pinning properties of the C15 Laves phase superconductor CeRu₂

Sujeet Chaudhary, S. B. Roy, P. Chaddah, L. E. DeLong

Physics And Astronomy

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

4 Scopus citations

Abstract

We report the anomalous field (H) dependence of pinning force density F_P as deduced from our magnetization measurements on the single-crystal and polycrystalline samples of CeRu₂. It is shown that, contrary to a single maximum in other hard type II superconductors, CeRu₂ samples exhibit two distinct peak features in their F_P-H plots. Our results show that the scaling of F_P with the applied magnetic field at different temperatures cannot be described by the conventional Kramer model based on crossover from a line-breaking regime to a flux-line lattice shearing regime.

Original language	English
Pages (from-to)	308-314
Number of pages	7
Journal	Superconductor Science and Technology
Volume	12
Issue number	5
DOIs	https://doi.org/10.1088/0953-2048/12/5/311
State	Published - May 1999

ASJC Scopus subject areas

Ceramics and Composites
Condensed Matter Physics
Metals and Alloys
Electrical and Electronic Engineering
Materials Chemistry

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abstract = "We report the anomalous field (H) dependence of pinning force density FP as deduced from our magnetization measurements on the single-crystal and polycrystalline samples of CeRu2. It is shown that, contrary to a single maximum in other hard type II superconductors, CeRu2 samples exhibit two distinct peak features in their FP-H plots. Our results show that the scaling of FP with the applied magnetic field at different temperatures cannot be described by the conventional Kramer model based on crossover from a line-breaking regime to a flux-line lattice shearing regime.",

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AU - Chaudhary, Sujeet

AU - Roy, S. B.

AU - Chaddah, P.

AU - DeLong, L. E.

PY - 1999/5

Y1 - 1999/5

N2 - We report the anomalous field (H) dependence of pinning force density FP as deduced from our magnetization measurements on the single-crystal and polycrystalline samples of CeRu2. It is shown that, contrary to a single maximum in other hard type II superconductors, CeRu2 samples exhibit two distinct peak features in their FP-H plots. Our results show that the scaling of FP with the applied magnetic field at different temperatures cannot be described by the conventional Kramer model based on crossover from a line-breaking regime to a flux-line lattice shearing regime.

AB - We report the anomalous field (H) dependence of pinning force density FP as deduced from our magnetization measurements on the single-crystal and polycrystalline samples of CeRu2. It is shown that, contrary to a single maximum in other hard type II superconductors, CeRu2 samples exhibit two distinct peak features in their FP-H plots. Our results show that the scaling of FP with the applied magnetic field at different temperatures cannot be described by the conventional Kramer model based on crossover from a line-breaking regime to a flux-line lattice shearing regime.

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JO - Superconductor Science and Technology

JF - Superconductor Science and Technology

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ER -

On the anomalous pinning properties of the C15 Laves phase superconductor CeRu₂

Abstract

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