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A Tem Investigation of Secondary Dislocations in Grain Boundaries in Germanium

Published online by Cambridge University Press:  25 February 2011

M. Griss ,
M. Seibt  and
H.J. Möller
M. Griss
Affiliation:
Physikalisches Instítut, University of Göttingen, 3400 Göttingen, FRG
M. Seibt
Affiliation:
Physikalisches Instítut, University of Göttingen, 3400 Göttingen, FRG
H.J. Möller
Affiliation:
Department of Materials Science and Engineering, Case Western Reserve University, Cleveland, Ohio 44106, USA
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Abstract

Germanium bicrystals containing dissociated low energy grain boundaries with a common [011] tilt axis were studied. The dislocation structure of a grain boundary with a misorientation of about 28° has been investigated in detail and could be interpreted as a near-coincidence Σ 27 - tilt grain boundary. Both conventional and high-resolution techniques were applied to analyze the Burgers vectors of the secondary dislocation network. In all cases non - primitive Burgers vectors were observed. The comparison with previous results indicates that the Burgers vectors of the dislocation network may depend on the degree of misorientation of the bicrystal.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 163: Symposium G – Impurities, Defects and Diffusion in Semiconductors: Bulk and Layered Structures , 1989 , 945
Copyright
Copyright © Materials Research Society 1990

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References

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