Abstract
The temperature dependence of the ferroelectric mode frequency in SrTiO3 with oxygen vacancies and free electrons, is quantitatively explained on the basis of a microscopic model for ferroelectric soft modes.
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Bussmann-Holder, A., Bilz, H., Bäuerle, D. et al. A polarizability model for the ferroelectric mode in semiconducting SrTiO3 . Z. Physik B - Condensed Matter 41, 353–355 (1981). https://doi.org/10.1007/BF01307326
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DOI: https://doi.org/10.1007/BF01307326