Fabrication and characterization of (HgRe)Ba2Ca1Cu2Oy thin films

P. V.P.S.S. Sastry, J. Su, S. L. Atwell, S. M. Durbin, J. Schwartz

Research output: Contribution to journalConference article

3 Scopus citations

Abstract

Thin films of (HgRe)Ba2Ca1Cu2Oy (HgRe1212) superconductor were fabricated on Ag and LaAlO3 (LAO) by reacting laser deposited ReBaCaCuO precursor films with CaHgO2 in sealed reaction tubes. The phase purity and superconducting properties of final films depended significantly on the thickness of the precursor films. The minimum thickness of precursor films for complete conversion to HgRe1212 phase was observed to be about 800 nm. The HgRe1212 films deposited and reacted under optimum conditions, on both Ag and LAO, showed excellent c-axis texture. Magnetization measurements of the as reacted superconducting films showed Tc values of 122-128 K, and exhibited open hysteresis loops up to 110 K.

Original languageEnglish (US)
Pages (from-to)3098-3101
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Volume11
Issue number1 III
DOIs
StatePublished - Mar 1 2001
Event2000 Applied Superconductivity Conference - Virginia Beach, VA, United States
Duration: Sep 17 2000Sep 22 2000

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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