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Energy-filtered imaging of Cu-nanoprecipitates

Abstract:
Energy-Filtered (EF) TEM imaging has been used to reveal and measure the size of individual Cu-precipitates as small as 2nm embedded in ferritic steels. Optimisation of the acquisition and analysis procedures is described. A procedure was developed to identify the contributions to spatial resolution limit from fundamental factors, drift and instrument instabilities. A long data acquisition time is necessary during which drift occurs that ultimately limits detection. Nevertheless, EFTEM provides a viable method for revealing the precipitation.

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Institution:
University of Oxford
Department:
Oxford, MPLS, Materials
Titchmarsh, JM More by this author
Jenkins, ML More by this author
Journal:
Institute of Physics Conference Series
Volume:
179
Pages:
241-244
Publication date:
2004
ISSN:
0951-3248
URN:
uuid:af5cd197-9c07-4d94-8110-208343092f7a
Source identifiers:
178717
Local pid:
pubs:178717

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