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Defects in the Structure of Σ=27 <110> Tilt Grain-Boundaries in Ge.

Published online by Cambridge University Press:  26 February 2011

Stuart Mckernan ,
C. Barry Carter  and
Zvi Elgat
Stuart Mckernan
Affiliation:
Department of Materials Science and Engineering, Cornell University, Ithaca, NY 14853.
C. Barry Carter
Affiliation:
Department of Materials Science and Engineering, Cornell University, Ithaca, NY 14853.
Zvi Elgat
Affiliation:
LUZ Industries Israel, Jerusalem 19073, Israel.
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Abstract

General high-angle tilt grain-boundaries may be described by an arrangement of repeating structural units. A particular defect in the normal arrangement of structural units in a Σ=27 <110> tilt grain-boundary in Ge is reported.The defect is characterized by a short segment of (111) facet at the interface, and is associated with a screw dislocation in the boundary plane. This defect accommodates a slight misorientation of the boundary away from the perfect tilt configuration, andmay represent a type of structural unit present in other tilt boundaries containing a small twist component.

Information

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 209: Symposium K – Defects in Materials , 1990 , 637
Copyright
Copyright © Materials Research Society 1991

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References

REFERENCES

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