Misfit dislocations in (001) Cu/(111) Ag epitaxial bilayers

Two sets of elongated epitaxial (111) Ag islands rotated by 90° with respect to each other were observed to grow on (001) Cu substrates. In addition, two sets of edge misfit dislocations lay parallel to [110] Cu and [ 1 10] Cu or equivalently along [ 1 10] Ag and [11 2 ] Ag. Their Burgers vectors we...

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Bibliographic Details
Published in:Thin solid films 1979-03, Vol.58 (1), p.203-207
Main Authors: Vook, R.W., Chao, S.S.
Format: Article
Language:English
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Summary:Two sets of elongated epitaxial (111) Ag islands rotated by 90° with respect to each other were observed to grow on (001) Cu substrates. In addition, two sets of edge misfit dislocations lay parallel to [110] Cu and [ 1 10] Cu or equivalently along [ 1 10] Ag and [11 2 ] Ag. Their Burgers vectors were determined, together with the elastic strains in these two directions. The island elongation was interpreted as arising from a lower strain energy in the preferred direction of growth.
ISSN:0040-6090
1879-2731
DOI:10.1016/0040-6090(79)90237-2