Field-Induced Superconductivity in a Spin-Ladder Cuprate-Reference-Cited by-同舟云学术

Field-Induced Superconductivity in a Spin-Ladder Cuprate

Published:2001-09-28 Issue:5539 Volume:293 Page:2430-2432
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Schön J. H.¹²,Dorget M.³⁴,Beuran F. C.⁴,Xu X. Z.⁴,Arushanov E.⁴⁵,Laguës M.⁴,Cavellin C. Deville³⁴

Affiliation:

1. Bell Laboratories, Lucent Technologies, 600 Mountain Avenue, Murray Hill, NJ 07974–0636, USA.

2. University of Konstanz, Department of Physics, Post Office Box X916, D-78457 Konstanz, Germany.

3. Groupe de Physique des Milieux Denses, Université Paris XII, 61 Avenue du Général de Gaulle, 94010 Créteil Cedex, France.

4. Surfaces et Supraconducteurs CNRS UPR5-ESPCI, 10 Rue Vauquelin, 75005 Paris, France.

5. Institute of Applied Physics, Academy of Sciences of the Moldova Republic, Academiei str. 5, Kishinev 277028, Moldova.

Abstract

We report on the modulation of the transport properties of thin films, grown by molecular beam epitaxy, of the spin-ladder compound [CaCu 2 O 3 ] 4 , using the field effect in a gated structure. At high hole-doping levels, superconductivity is induced in the nominally insulating ladder material without the use of high-pressure or chemical substitution. The observation of superconductivity is in agreement with the theoretical prediction that holes doped into spin ladders could pair and possibly superconduct.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference31 articles.

1. Superconductivity in ladders and coupled planes

2. Superconductivity, Spin Gaps and Luttinger Liquids in a Class of Cuprates

3. Surprises on the Way from One- to Two-Dimensional Quantum Magnets: The Ladder Materials

4. Experiments on ladders reveal a complex interplay between a spin-gapped normal state and superconductivity

5. J. H. Schön Ch. Kloc

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