Slot die coating and conversion of LZO on rolling assisted biaxially textured Ni-W substrates with and without a very thin seed layer in low vacuum

L. Heatherly, H. Hsu, S. H. Wee, J. Li, S. Sathyamurthy, M. Paranthaman, A. Goyal

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Slot die coating and conversion Of La2Zr2O 7 (LZO) buffer layers were performed on rolling assisted biaxially textured Ni-W with and without thin Y2 O3 seed layers. The slot die coating, drying and processing were all performed using reel to-reel systems. The slot die coated LZO precursor films were then reacted under a variety of conditions and the texture and morphology development were characterized using optical microscopy, scanning and transmission electron microscopy and x-ray diffraction. The conversion conditions were optimized to produce the highest degree of texture in the LZO films. This paper will describe the equipment used for depositing the LZO films and describe the texture and morphology of LZO films optimized for supporting the growth of high Ic (>300 amps per centimeter width) YBCO superconducting films.

Original languageEnglish
Pages (from-to)3417-3419
Number of pages3
JournalIEEE Transactions on Applied Superconductivity
Volume17
Issue number2
DOIs
StatePublished - Jun 2007

Funding

Manuscript received August 25, 2006. This work was supported by the U.S. Department of Energy, Office of Electricity Delivery and Energy Reliability, Superconductivity Program, under Contract DE-AC05-00OR22725 with UT-Bat-telle, LLC, managing contractor for Oak Ridge National Laboratory. L. Heatherly, H. Hsu, S. H. Wee, J. Li, and A. Goyal are with the Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831 USA (e-mail: [email protected]). S. Sathyamurthy and M. Paranthaman are with the Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831 USA. Color versions of one or more of the figures in this paper are available online at http://ieeexplore.ieee.org. Digital Object Identifier 10.1109/TASC.2007.897431

FundersFunder number
U.S. Department of EnergyDE-AC05-00OR22725
Oak Ridge National Laboratory

    Keywords

    • Buffers
    • LZO
    • RABiTS
    • Slot-die
    • Texture
    • XRD

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