TEM of ultra-thin DyBCO films deposited on TiO2 terminated SrTiO3

S. Bals, Augustinus J.H.M. Rijnders, David H.A. Blank, G. van Tendeloo

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Using pulsed laser deposition ultra-thin DyBa2Cu3O7–x films were deposited on a single terminated (0 0 1) SrTiO3 substrate. The initial growth was studied by high-resolution electron microscopy. Two different types of interface arrangements occur and were determined as: bulk–SrO–TiO2–BaO–CuO–BaO–CuO2–Dy–CuO2–BaO–bulk and bulk–SrO–TiO2–BaO–CuO2–Dy–CuO2–BaO–CuO–BaO–bulk. This variable growth sequence causes structural shifts, resulting in antiphase boundaries with displacement vector R = [00 1/3], as well as local chemical variations.
Original languageUndefined
Pages (from-to)225-230
Number of pages6
JournalPhysica C
Issue number3-4
Publication statusPublished - 2001


  • METIS-200539
  • IR-36069

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