Properties of superconducting Tl2Ba2Ca2Cu3O10 films by sputtering

M. Hong, J. Kwo, C. H. Chen, A. R. Kortan, D. D. Bacon, S. H. Liou

Research output: Contribution to journalArticle

1 Scopus citations


Rapid progress has been made on thin films of high-Tc superconducting perovskites. Here we focus on the results from one of the most studied oxide systems, 125 K TlBaCaCuO. We have produced single-phase high-Tc superconducting Tl2Ba2Ca2Cu3O10 films 0.2-1.0 microm thick on MgO(100) and SrTiO3(100) substrates by sputtering using a single oxide target. The Tl2Ba2Ca2Cu3O10 films have a Tc onset at 125K and a Tc(R=0) at 116 K. Transport critical current densities of these films on SrTiO3 substrates are as high as 105 A cm-2 at 100 K. These thallium-based films are not only strongly textured with the c-axis perpendicular to the film plane, but also epitaxial to SrTiO3(100) substrates.

Original languageEnglish (US)
Pages (from-to)173-180
Number of pages8
JournalThin Solid Films
Issue number1-2
StatePublished - Dec 10 1989

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

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