Epitaxial Ti1-xWxN alloys grown on MgO(001) by ultrahigh vacuum reactive magnetron sputtering: Electronic properties and long-range cation ordering

F. Tian, J. D'Arcy-Gall, T. Y. Lee, M. Sardela, D. Gall, I. Petrov, J. E. Greene

Research output: Contribution to journalArticle

47 Citations (Scopus)

Abstract

The results of an investigation of the growth and physical properties of epitaxial single-crystalline NaCl-strucute Ti1-xWxN alloys are presented. X-ray diffraction (XRD), transmission electron microscopy (TEM), and XTEM analysis show that Ti0.5W0.5N(001) alloys exhibit long-range CuPt ordering on the cation sublattice. It was found that the superconducting critical temperature Tc initially increases with x, reaches a maximum of 6.67 K at x=0.21, and decreases at larger x values.

Original languageEnglish
Pages (from-to)140-146
Number of pages7
JournalJournal of Vacuum Science and Technology A: Vacuum, Surfaces and Films
Volume21
Issue number1
DOIs
Publication statusPublished - 2003 Jan 1

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

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