Influence of the Granularity on the Transversal Resistance in Y_{0.55}Pr_{0.45}Ba_2Cu_3O_{7-δ} Superconductor

• Authors: M. da Luz , C. dos Santos , A. Machado
• Languages of publication: EN

Abstracts

EN

This work reports longitudinal (R_{XX}) and transverse (R_{XY}) resistance as a function of temperature measured at low magnetic fields for Y_{0.55}Pr_{0.45}Ba_2Cu_3O_{7-δ} polycrystalline sample. It is observed non-zero transverse resistance at zero applied magnetic field below superconducting transition. The comparison between R_{XX} (T) and R_{XY} (T) curves demonstrate unambiguously that the transverse resistance is related to the double resistive superconducting transition in granular superconductors. I-V curves indicate that the transport properties of the investigated sample are in agreement with the predictions of the two-fluid model.

Keywords

EN

74.25.-q; 74.25.Fy; 74.81.Bd

Discipline

• 74.81.Bd: Granular, melt-textured, amorphous, and composite superconductors
• 74.25.-q: Properties of superconductors

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2013
• Volume: 124
• Issue: 4
• Pages: 702-705

Dates

published

2013-10

received

2010-10-18

(unknown)

2012-08-29

Contributors

author

M. da Luz

• Instituto de Ciências Tecnológicas e Exatas, Universidade Federal do Triângulo Mineiro, Uberaba, Brazil
• Departamento de Engenharia de Materiais, Escola de Engenharia de Lorena-USP, Brazil

author

C. dos Santos

• Departamento de Engenharia de Materiais, Escola de Engenharia de Lorena-USP, Brazil

author

A. Machado

• Departamento de Engenharia de Materiais, Escola de Engenharia de Lorena-USP, Brazil

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Identifiers

DOI

10.12693/APhysPolA.124.702