Diatomic Ferroelectrics
- 3 October 1966
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 17 (14), 753-755
- https://doi.org/10.1103/physrevlett.17.753
Abstract
Experimental measurements of the phonon dispersion relation for SnTe suggest that the phase transition of GeTe and SnTe/GeTe alloys is of a displacive character, similar to that of the perovskite ferroelectrics. They therefore provide the first examples both of diatomic ferroelectrics and of "ferroelectric semiconductors," with a narrow band gap.Keywords
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