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cond-mat.mtrl-sci2025
Mind the Gap -- Imaging Buried Interfaces in Twisted Oxide Moirés
Harikrishnan KP, Xin Wei, Chia-Hao Lee +10
The ability to tune electronic structure in twisted stacks of two-dimensional (2D) materials has motivated the exploration of similar moiré physics with twisted oxide membranes. Du…
cond-mat.mtrl-sci2025
Microscopic mechanisms of flexoelectricity in oxide membranes
Harikrishnan KP, Varun Harbola, Jaehong Choi +9
Modern electromechanical actuators and sensors rely on the piezoelectric effect that linearly couples strain and electric polarization. However, this effect is restricted to materi…
cond-mat.mtrl-sci2024
Highly confined epsilon-near-zero- and surface-phonon polaritons in SrTiO3 membranes
Ruijuan Xu, Iris Crassee, Hans A. Bechtel +13
Recent theoretical studies have suggested that transition metal perovskite oxide membranes can enable surface phonon polaritons in the infrared range with low loss and much stronge…