Highly oriented Tl2Ba2Ca2Cu 3O10 thin films by pulsed laser evaporation

S. H. Liou, K. D. Aylesworth, N. J. Ianno, B. Johs, D. Thompson, D. Meyer, John A. Woollam, Colleen Barry

Research output: Contribution to journalArticlepeer-review

32 Scopus citations


We have fabricated superconducting thin films on MgO(100) substrates with nearly pure Tl2Ba2Ca2Cu3O 10 (2:2:2:3) phase using pulsed laser evaporation and post-annealing. The films had c axes perpendicular to the substrates. Superconducting films with onset temperatures of 125 K and zero resistance at 110 K were obtained. X-ray microprobe fluorescence measurements indicate that a typical composition of films is Tl0.66Ba1.77Ca 1.46Cu3Ox, which is low in Tl compared to that expected for the 2:2:2:3 phase. A typical grain size is greater than 10 μm as revealed by scanning electron microscopy.

Original languageEnglish (US)
Pages (from-to)760-762
Number of pages3
JournalApplied Physics Letters
Issue number8
StatePublished - 1989

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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