Superlattice modulation and epitaxy of Tl2Ba2Ca 2Cu3O10 thin films grown on MgO and SrTiO3 substrates

C. H. Chen, M. Hong, D. J. Werder, J. Kwo, S. H. Liou, D. D. Bacon

Research output: Contribution to journalArticle

10 Scopus citations


We compare the superlattice modulation, microstructure, and epitaxy of Tl2Ba2Ca2Cu3O1 0 thin films grown on MgO [100] and SrTiO3 [100] substrates by dc diode sputtering. Films grown on MgO were found to be quite clean with the c axis perpendicular to the substrate. However, no in-plane orientational relationship to the substrate was found. Films grown on SrTiO 3, on the other hand, showed very good epitaxy to the substrate despite the presence of second phases. Films grown on MgO also exhibited a longer coherence length of the superlattice modulation than those grown on SrTiO3 under identical conditions.

Original languageEnglish (US)
Pages (from-to)1579-1581
Number of pages3
JournalApplied Physics Letters
Issue number16
StatePublished - 1989

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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