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Electron Energy Loss Fine Structure of Carbides and Nitrides

Published online by Cambridge University Press:  25 February 2011

Mark M. Disko
Mark M. Disko*
Affiliation:
Exxon Research and Engineering Company, Route 22 East, Annandale, NJ 08801
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Abstract

Transition metal carbides and nitrides are important in a wide range of materials problems which include precipitates in high strength alloys and ceramic wear coatings. Electron energy loss spectroscopy (EELS) is a high spatial resolution (probe sizes < 100nm) analytical technique which is sensitive to variations in carbon or nitrogen stoichiometry. This sensitivity to light elements depends on the ability to relate the measured EELS spectrum to a material's electronic structure. The unique capabilities of EELS for the characterization of carbonitrides with high spatial resolution are discussed along with some of the experimental and analytical methods used to relate measured spectra to electronic structure. Data are presented for several members of the systems Ti-N-C and Cr-Fe-C.

Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 62: Symposium Q – Materials Problem Solving with the Transmission Electron Microscope , 1985 , 129
Copyright
Copyright © Materials Research Society 1986

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