Andreev reflections from La2-xSrxCuO4 single crystals

Guy Deutscher; N. Achsaf; D. Goldschmidt; A. Revcolevschi; A. Vietkine

doi:10.1016/S0921-4534(97)00242-6

Andreev reflections from La_2-xSr_xCuO₄ single crystals

Guy Deutscher, N. Achsaf, D. Goldschmidt, A. Revcolevschi, A. Vietkine

School of Physics and Astronomy

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

Abstract

We have measured the conductance of Point Contacts between LSCO single crystals and Gold tips. The initial increase of the conductance as a function of applied bias rules out the presence of nodes in the gap. The data is best fitted by an extended s-wave symmetry gap, with a ratio of about three between its extrema values.

Original language	English
Pages (from-to)	140-144
Number of pages	5
Journal	Physica C: Superconductivity and its Applications
Volume	282-287
Issue number	PART 1
DOIs	https://doi.org/10.1016/S0921-4534(97)00242-6
State	Published - Aug 1997

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title = "Andreev reflections from La2-xSrxCuO4 single crystals",

abstract = "We have measured the conductance of Point Contacts between LSCO single crystals and Gold tips. The initial increase of the conductance as a function of applied bias rules out the presence of nodes in the gap. The data is best fitted by an extended s-wave symmetry gap, with a ratio of about three between its extrema values.",

author = "Guy Deutscher and N. Achsaf and D. Goldschmidt and A. Revcolevschi and A. Vietkine",

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AU - Achsaf, N.

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AU - Vietkine, A.

PY - 1997/8

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AB - We have measured the conductance of Point Contacts between LSCO single crystals and Gold tips. The initial increase of the conductance as a function of applied bias rules out the presence of nodes in the gap. The data is best fitted by an extended s-wave symmetry gap, with a ratio of about three between its extrema values.

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SN - 0921-4534

IS - PART 1

ER -

Andreev reflections from La_2-xSr_xCuO₄ single crystals

Abstract

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