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Nanocomposite Thin Films of Transition Metal Carbides Fabricated Using Pulsed Laser Deposition

Published online by Cambridge University Press:  10 February 2011

W. F. Brock ,
J. E. Krzanowski  and
R. E. Leuchtner
W. F. Brock
Affiliation:
Physics Department andUniversity of New Hampshire, Durham, NH 03824
J. E. Krzanowski
Affiliation:
Mechanical Engineering Department, University of New Hampshire, Durham, NH 03824
R. E. Leuchtner
Affiliation:
Physics Department andUniversity of New Hampshire, Durham, NH 03824
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Abstract

A study has been conducted on the pulsed laser deposition (PLD) of transition metal carbides in order to examine alloying and phase formation in binary systems. Alternating layers of TiC/ZrC and ZrC/VC were deposited at 400 C and 5 mTorr Ar with nominal period thicknesses of 0.6 nm, 10.0 nm, and 50.0 nm. ZrC/VC x-ray diffraction analysis showed that the alloys were amorphous and the TiC/ZrC alloys were crystalline. The thicker films showed a higher degree of phase separation of the two compounds. Transmission electron microscopy confirmed the amorphous structure in the 0.6 nm ZrC/VC film, while the 50.0 nm film showed a layered structure and extremely fine grain size.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 457: Symposium V – Nanophase and Nanocomposite Materials II , 1996 , 419
Copyright
Copyright © Materials Research Society 1997

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References

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