Real-time imaging of vortex-antivortex annihilation in Bi 2Sr2CaCu2O8+δ single crystals by low temperature scanning hall probe microscopy

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Real-time imaging of vortex-antivortex annihilation in Bi 2Sr2CaCu2O8+δ single crystals by low temperature scanning hall probe microscopy.pdf (545.43 KB)

Date

2006

Authors

Dede, M.
Oral, A.
Yamamoto, T.
Kadowaki, K.
Shtrikman, H.

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Abstract

Vortices in superconductors play an important role in operating limits and applications of the superconductors. Scanning Hall probe microscopes have proven themselves to be quantitative and non-invasive tools for investigating magnetic samples down to 50 nm scale. Penetration of vortices in high quality single crystal Bi2Sr2CaCu2O8+δ superconductor has been studied in real-time with single vortex resolution at 77 K using a low temperature scanning Hall probe microscope (LT-SHPM). Vortices have been observed to be annihilated by the antivortices in small M-H loops.

Source Title

Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers

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IOP Institute of Physics Publishing

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Keywords

BSCCO, Hall effect, Scanning hall probe microscopy, Superconductivity, Vortices, Hall effect, Imaging techniques, Real time systems, Superconducting materials, Superconductivity, Vortex flow, Annihilation, Bi2Sr2CaCu2O8+δ, BSCCO, Scanning hall probe microscopy, Single crystals

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Permalink

http://hdl.handle.net/11693/23830

Published Version (Please cite this version)

http://dx.doi.org/10.1143/JJAP.45.2246

Collections

Scholarly Publications - Physics

Language

English

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Article