Effect of sulfur surface structure on nucleation of oxide seed layers on textured metals for coated conductor applications

C. Cantoni, D. K. Christen, A. Goyal, L. Heatherly, G. W. Ownby, D. M. Zehner, D. P. Norton, C. M. Rouleau, H. M. Christen

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

We present a study of the (100) <100> biaxially texture Ni (001) surface and oxide seed layer nucleation by in situ reflection high-energy electron diffraction and Auger electron spectroscopy. Our observations revealed the existence of a c(2×2) superstructure on the textured Ni surface due to segregation of sulfur contained in the bulk metal. The sulfur superstructure promotes the epitaxial (002) nucleation of seed layers such as Y2O3-stabilized ZrO2 (YSZ) and CeO2 on the metal and optimizes the biaxial texture necessary for high Jc superconductors on RABiTS.

Original languageEnglish
Pages (from-to)349-354
Number of pages6
JournalMaterials Research Society Symposium - Proceedings
Volume689
StatePublished - 2002
Externally publishedYes

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