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Some Factors Influencing the Visibility of Dislocations in Transmission Electron Microscopy
Author(s) -
Loretto M. H.,
France L. K.
Publication year - 1969
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.19690350114
Subject(s) - visibility , confusion , burgers vector , transmission electron microscopy , variety (cybernetics) , transmission (telecommunications) , optics , physics , condensed matter physics , materials science , mathematics , psychology , computer science , statistics , telecommunications , psychoanalysis
An investigation has been made into the degree of deviation ( s g ) from the Bragg conditions required to make dislocations (of Burgers vector b ) effectively invisible for a variety of diffracting vectors ( g ) when the condition g ± b = ± 1 obtains. It is found that these values of s g decrease as the magnitude of g increases, thus making confusion of the g · b = = ± 1 and g · b = 0 cases more likely for large values of g .