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Flux-grown platelets of Sm0.55Tb0.45FeO3, cut perpendicular to the orthorhombic c axis, were irradiated with Mo x rays. Identical platelets were also thermally annealed in O2. Measurements of the room-temperature domain wall mobility as a function of exposure time or annealing temperature show remarkable similarities as the mobility is first increased 27% and then falls below its initial (as-grown) value.
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Shumate et al. (1972) studied this question.
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