Atom probe analysis of a ceramic oxide superconductor

Cerezo, A.; Grovenor, C. R. M.; Hoyle, R. M.; Smith, G. D. W.
March 1988
Applied Physics Letters;3/21/1988, Vol. 52 Issue 12, p1020
Academic Journal
Field-ion specimens have been produced from a bulk ceramic yttrium barium cuprate superconductor, allowing quantitative atom probe analysis from this new class of materials. This technique offers the potential for high-resolution quantitative analysis for oxygen concentrations in the near-surface regions and the study of microchemistry of contact/superconductor interfaces. Preliminary results are presented on bulk compositions and the surface modifications following vacuum annealing.


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