Research combines synthesis of polaronic oxides and theoretical models to reveal transport properties, suggesting new methods for materials characterization.
Key Points
This research aims to understand polaronic transport in complex oxides through a combination of experimental synthesis and theoretical modeling.
Synthesize high-quality oxygen-vacancy-doped anatase TiO2 films via hybrid molecular beam epitaxy (MBE).
Employ first-principles electron-phonon diagrammatic Monte Carlo (FEP-DMC) for polaron transport predictions.
Utilize scanning transmission electron microscopy and X-ray photoelectron spectroscopy for microscopic analysis.
The films show record-high electron mobility of 45 ± 15 cm² V⁻¹ s⁻¹ at room temperature.
Mobility scaling with temperature is observed as μ ∝ T⁻¹.9 ± 0.077.
Theoretical predictions align closely with experimental findings, validating the FEP-DMC framework.