Study of the remanent magnetization of Bi2Sr2CaCu2O8 single crystals by means of a hall probe

Magneto-optical investigations of the flux distributions in high-T, superconductors are reviewed. The various techniques (which are all based on the Faraday effect) are compared with each other concerning resolution and working range of temperature and external magnetic field. A short description of the historical development of the magneto-optical methods is given and the existing equipment is classified. Various aspects of flux visualization are presented and special observations made by means of magneto-optical techniques are shown. The capability of the magneto-optical techniques to observe dynamic processes allows Observation of flux motion due to thermal activation or even quantum creep, and under the influence of transport currents. It is shown that magneto-optical techniques are a unique tool to show that flux patterns are extremely sensitive to the presence of defects.

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Vortex lines nearly parallel to the surface of a single-crystal superconductor disk in a perpendicular field

Kawashima

Wright

2003

Phys. Rev. B

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Study of the remanent magnetization of Bi2Sr2CaCu2O8 single crystals by means of a hall probe

Cited by 4 publications

References 13 publications

Evidence for nonlinear flux diffusion from magnetization relaxation in Bi2Sr2CaCu2O8 single crystals

Evidence for nonlinear flux diffusion from magnetization relaxation in Bi2Sr2CaCu2O8 single crystals

Magneto-optical investigations of superconductors

Vortex lines nearly parallel to the surface of a single-crystal superconductor disk in a perpendicular field

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