We have revealed an electron emission on the switching of extrinsic gadolinium molybdate ferroelectric-ferroelastic in electric field. Visualization of the electron flow allows directly watching of the domain structure dynamics: formation and growth of tapered domains and lateral movement of the 180° domain wall. We have found that the electron emission contributes substantially to the screening processes in the case of a crystal with free surface.
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Rosenman et al. (1990) studied this question.
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