Two-Dimensional Polaronic Behavior in the Binary Oxides m-HfO2 and m-ZrO2
Journal Article
·
· Physical Review Letters, 108(11):116403
We demonstrate that the three-dimensional (3D) binary monoclinic oxides HfO2 and ZrO2 exhibit quasi-2D polaron localization and conductivity, which results from a small difference in the coordination of two oxygen sublattices in these materials. The transition between a 2D large polaron into a zerodimensional small polaron state requires overcoming a small energetic barrier. These results demonstrate how a small asymmetry in the lattice structure can determine the qualitative character of polaron localization and significantly broaden the realm of quasi-2D polaron systems.
- Research Organization:
- Pacific Northwest National Lab. (PNNL), Richland, WA (United States). Environmental Molecular Sciences Lab. (EMSL)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC05-76RL01830
- OSTI ID:
- 1053353
- Journal Information:
- Physical Review Letters, 108(11):116403, Journal Name: Physical Review Letters, 108(11):116403
- Country of Publication:
- United States
- Language:
- English
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