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Diffuse Electron Scattering by Nanometer-sized Defects in Gold and Tantalum

Published online by Cambridge University Press:  01 February 2011

M. A. Kirk ,
R. S. Davidson ,
M. L. Jenkins  and
R. D. Twesten
M. A. Kirk
Affiliation:
Materials Science Division, Argonne National Laboratory, Argonne, IL 60439
R. S. Davidson
Affiliation:
Decision and Information Sciences, Argonne National Laboratory, Argonne, IL 60439
M. L. Jenkins
Affiliation:
Department of Materials, University of Oxford, Parks Rd, Oxford OX1 3PH, UK
R. D. Twesten
Affiliation:
Center for Microanalysis of Materials, Seitz Materials Research Laboratory, 104 S. Goodwin Ave., Urbana, IL 61801
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Abstract

Diffuse elastic scattering of electrons by single nanometer-sized defects in ion irradiated Au has been measured quantitatively. Results are given for two dislocation loops and compared with published calculations to establish the loop geometry and interstitial or vacancy nature. Defect images using only diffuse scatttering are achieved with high sensitivity and good resolution by a hollow-cone dark-field method.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 792: Symposium R – Radiation Effects and Ion Beam Processing of Materials , 2003 , R10.3
Copyright
Copyright © Materials Research Society 2004

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References

REFERENCES

1. Jenkins, M. L. and Kirk, M. A., Characterization of Radiation Damage by Transmision Electron Microscopy (Bristol, Inst. of Physics Publishing, 2001).Google Scholar
2. Ehrhart, P., Trinkaus, H., and Larson, B. C., 1982, Phys. Rev. B 25, 834.Google Scholar
3. Kirk, M. A., Davidson, R. S., Jenkins, M. L., and Twesten, R. D., accepted for publication in Phil. Mag., 2003.Google Scholar
4. Jenkins, M. L., 1974, Phil. Mag. 29, 813. Google Scholar
5. Zhou, Z., Dudarev, S.L., Jenkins, M.L., Sutton, A.P., and Kirk, M.A., these proceedings.Google Scholar