Published in:Jülich : Kernforschungsanlage Jülich, Verlag, Berichte der Kernforschungsanlage Jülich 134, p. 874-86 (1963).
Language:
English
Origination:
Footnote:
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Description:
The deformation of prisms and elliptical cylinders, resulting from .the presence of an arbitrary dislocation line parallel to one of the main axes of the cross-sections is discussed. lt is shown that in general the specimen is bo.h bent and twisted. The deformation appears in the electron microscope as a shift of the extinction contours where these cross the dislocations. The sign and magnitude of the shift depend on the magnitude, the sign and the orientation of the Burgers vector with respect to the dislocation line, as well as on the operating diffraction vector and local curvature of the foil. For a particular dislocation in tin disulfide it has been possible to verify thc theory in detail.