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Electrons, dislocations, and low‐temperature plastic deformation
Author(s) -
Galligan J. M.
Publication year - 1984
Publication title -
crystal research and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.377
H-Index - 64
eISSN - 1521-4079
pISSN - 0232-1300
DOI - 10.1002/crat.2170190616
Subject(s) - drag , flutter , condensed matter physics , plasticity , electron , materials science , deformation (meteorology) , atmospheric temperature range , stress (linguistics) , mechanics , physics , composite material , thermodynamics , quantum mechanics , linguistics , philosophy , aerodynamics
Abstract The influence of electron drag processes on the plasticity of normal state metals is demonstrated in the case of zinc crystals. These results show that dislocations move as underdamped oscillators at low temperature and that dislocations flutters as they move. This flutter motion, in contrast to kink motion which is expected to have no long range stress, is the dominant drag process at temperatures below ≈ 4.2 K.