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Electrochemical Modification of Bi2Sr2CaCu208+δ and La2CuO4

Published online by Cambridge University Press:  28 February 2011

G.A. Scholz  and
M. Olfert
G.A. Scholz
Affiliation:
Physics Department, University of Waterloo, Waterloo, Ontario, Canada, N2L 3G1
M. Olfert
Affiliation:
Physics Department, University of Waterloo, Waterloo, Ontario, Canada, N2L 3G1
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Abstract

Semiconducting Bi2Sr2CaCu208 and La2CuO4 can be made superconducting following their oxidation in an electrochemical cell. Experimental evidence suggests that the deintercalation of copper, ie. the oxidation of the copper oxide planes is responsible. Intercalation, ie. reduction, reverses the above trends. The mechanism controlling superconductivity is therefore sensitive to the Cu/O ratio, which can be reversibly controlled at room temperature.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 210: Symposium L – Solid State Ionics II , 1990 , 487
Copyright
Copyright © Materials Research Society 1991

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