Structural and transport properties of epitaxial Na xCoO 2 thin films

A. Venimadhav, A. Soukiassian, D. A. Tenne, Qi Li, X. X. Xi, D. G. Schlom, R. Arroyave, Z. K. Liu, H. P. Sun, Xiaoqing Pan, Minhyea Lee, N. P. Ong

Research output: Contribution to journalArticlepeer-review

20 Scopus citations


We have studied structural and transport properties of epitaxial Nax Co O2 thin films on (0001) sapphire substrate prepared by topotaxially converting an epitaxial Co3 O4 film to Nax Co O2 with annealing in Na vapor. The films are c -axis oriented and in-plane aligned with [10 1- 0] Nax Co O2 rotated by 30° from [10 1- 0] sapphire. Different Na vapor pressures during the annealing resulted in films with different Na concentrations, which showed distinct transport properties.

Original languageEnglish (US)
Article number172104
Pages (from-to)1-3
Number of pages3
JournalApplied Physics Letters
Issue number17
StatePublished - Oct 24 2005

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)


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