Combinatorial investigation of (Ti1-xNbx)2 AlC

T. H. Scabarozi, C. Gennaoui, J. Roche, T. Flemming, K. Wittenberger, P. Hann, B. Adamson, A. Rosenfeld, M. W. Barsoum, J. D. Hettinger, S. E. Lofland

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Abstract

We have synthesized thin films of (Ti1-xNbx) 2 AlC by combinatorial method on TiC (111) seed layers grown on c -axis sapphire (Al2O3) substrates at 900 °C using magnetron sputter. X-ray diffraction showed the films to be c -axis oriented and epitaxial, and films contained a minor secondary phase of (Ti,Nb)C, irrespective of stoichiometry. Most notably, Raman spectroscopy suggest a sizable increase in the elastic modulus in the Nb-rich region as compared to either of the end members.

Original languageEnglish (US)
Article number101907
JournalApplied Physics Letters
Volume95
Issue number10
DOIs
StatePublished - 2009

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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