Irradiation induced changes in small angle grain boundaries in mosaic Cu thin films

We studied the effect of irradiation on small angle grain boundaries in mosaic structured Cu thin films. The films showed a decrease in mosaic spread via a narrowing of the full width at half maximum in XRD rocking curves and a smaller minimum yield of RBS channeling after irradiation. These data in...

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Bibliographic Details
Published in:Applied physics. A, Materials science & processing Materials science & processing, 2012-07, Vol.108 (1), p.121-126
Main Authors: Fu, E. G., Wang, Y. Q., Zou, G. F., Xiong, J., Zhuo, M. J., Wei, Q. M., Baldwin, J. K., Jia, Q. X., Shao, L., Misra, A., Nastasi, M.
Format: Article
Language:English
Subjects:
ACCELERATORS
Characterization and Evaluation of Materials
Condensed Matter Physics
Condensed matter: structure, mechanical and thermal properties
Exact sciences and technology
GRAIN BOUNDARIES
Ion radiation effects
IRRADIATION
Machines
Manufacturing
MATERIALS SCIENCE
Nanotechnology
Optical and Electronic Materials
PARTICLE ACCELERATORS
Physical radiation effects, radiation damage
Physics
Physics and Astronomy
Processes
Structure of solids and liquids
crystallography
Surfaces and Interfaces
THIN FILMS
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Summary:We studied the effect of irradiation on small angle grain boundaries in mosaic structured Cu thin films. The films showed a decrease in mosaic spread via a narrowing of the full width at half maximum in XRD rocking curves and a smaller minimum yield of RBS channeling after irradiation. These data indicate the irradiation decreased the misorientation angles between mosaic blocks separated by small angle grain boundaries. Mechanisms involving interactions between grain boundary dislocations and irradiation induced defects are discussed.
ISSN:0947-8396
1432-0630
DOI:10.1007/s00339-012-6865-y