Preparation, characterization and room temperature electrochemical response of Bi2Sr2CaCu2O8 superconductor microband electrodes

John McDevitt, Royce W. Murray, S. I. Shah

Research output: Contribution to journalArticle

Abstract

Fabrication of a well-behaved superconductor microband electrode fashioned from the edges of thin films of Bi2Sr2CaCu2O8 sandwiched between two insulating layers is demonstrated. In room temperature solutions of redox species, these microbands exhibit well-defined voltammograms and currents interpretable by standard microband electrode theory. The behavior of freshly cleaved electrodes indicates preparation of reasonably pristine surfaces. The new superconductor electrode geometry along with the recently reported fluid electrolyte cryosolvent will be useful in the context of future experiments with superconductor electrodes at temperatures below their Tc values. The first results for double-layer capacitance of a superconductor/electrolyte solution interface are also provided.

Original languageEnglish (US)
Pages (from-to)1346-1350
Number of pages5
JournalJournal of the Electrochemical Society
Volume138
Issue number5
StatePublished - May 1991

Fingerprint

Superconducting materials
preparation
Electrodes
electrodes
room temperature
Electrolytes
Temperature
temperature
electrolytes
Capacitance
capacitance
Fabrication
Thin films
fabrication
Fluids
Geometry
fluids
thin films
geometry
Experiments

ASJC Scopus subject areas

  • Electrochemistry
  • Surfaces, Coatings and Films
  • Surfaces and Interfaces

Cite this

Preparation, characterization and room temperature electrochemical response of Bi2Sr2CaCu2O8 superconductor microband electrodes. / McDevitt, John; Murray, Royce W.; Shah, S. I.

In: Journal of the Electrochemical Society, Vol. 138, No. 5, 05.1991, p. 1346-1350.

Research output: Contribution to journalArticle

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