Spectroscopic signature of sublattice polarization in the lattice dynamics of an antiferroelectric crystal
Spectroscopic measurements of the far-infrared phonon dynamics for a model antiferroelectric crystal are performed at low temperature. In agreement with the phenomenological expectations for a displacive antiferroelectric transition, a polar soft mode associated to a close-lying polar phase of the o...
| Main Authors: | , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
American Physical Society
2023-03-01
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| Series: | Physical Review Research |
| Online Access: | http://doi.org/10.1103/PhysRevResearch.5.L012036 |