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Anisotropy of the superconducting transport properties of the interface
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View: Figures

Figures

Image of FIG. 1.

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FIG. 1.

Sheet resistance vs temperature for different magnetic fields applied (a) perpendicular and (b) parallel to the interface.

Image of FIG. 2.

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FIG. 2.

(a) Characteristic magnetic fields as a function of the temperature for applied parallel (dots) and perpendicular (squares) to the interface exhibiting a large anisotropy . The inset shows the same data on an enlarged field scale for the perpendicular field configuration. The solid line for is a fit to the data while the one for is a guide to the eye. (b) Scaling analysis of the critical fields as described in the text.

Image of FIG. 3.

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FIG. 3.

(a) Square root of the fluctuation sheet conductance as a function of the inverse of the parallel magnetic field at . (b) Square root of the fluctuation sheet conductance as a function of the square root inverse of the perpendicular magnetic field at . Lines are fits to the data in the high field limit.

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2009-03-18
2014-04-16

Abstract

The superconductingtransport properties of the conducting interface have been investigated in perpendicular and parallel magnetic fields. A large anisotropy in the transport properties is measured and the two-dimensional nature of the superconducting gas is confirmed. Analyses of the resistance versus temperature and magnetic field, as well as of the correlation length as a function of the magnetic field close to the superconducting critical temperature (about 200 mK), yield an estimate of for the superconducting layer thickness.

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Scitation: Anisotropy of the superconducting transport properties of the LaAlO3/SrTiO3 interface
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/11/10.1063/1.3100777
10.1063/1.3100777
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