Recent progress in two‐dimensional ferroelectric materials

Z Guan, H Hu, X Shen, P Xiang… - Advanced Electronic …, 2020 - Wiley Online Library
The investigation of two‐dimensional (2D) ferroelectrics has attracted significant interest in
recent years for applications in functional electronics. Without the limitation of a finite size …

Thin-film ferroelectric materials and their applications

LW Martin, AM Rappe - Nature Reviews Materials, 2016 - nature.com
Ferroelectric materials, because of their robust spontaneous electrical polarization, are
widely used in various applications. Recent advances in modelling, synthesis and …

Flexo-photovoltaic effect in MoS2

J Jiang, Z Chen, Y Hu, Y Xiang, L Zhang… - Nature …, 2021 - nature.com
Abstract The theoretical Shockley–Queisser limit of photon–electricity conversion in a
conventional p–n junction could be potentially overcome by the bulk photovoltaic effect that …

Flexoelectricity in solids: Progress, challenges, and perspectives

B Wang, Y Gu, S Zhang, LQ Chen - Progress in Materials Science, 2019 - Elsevier
The flexoelectricity describes the contribution of the linear couplings between the electric
polarization and strain gradient and between polarization gradient and strain to the …

Controllable electrical, magnetoelectric and optical properties of BiFeO3 via domain engineering

Y Liu, Y Wang, J Ma, S Li, H Pan, CW Nan… - Progress in Materials …, 2022 - Elsevier
Abstract Bismuth ferrite (BiFeO 3, BFO) as one of the few single-phase room-temperature
multiferroics, has aroused ever-increasing enthusiasm in research communities during the …

Flexo-photovoltaic effect

MM Yang, DJ Kim, M Alexe - Science, 2018 - science.org
It is highly desirable to discover photovoltaic mechanisms that enable enhanced efficiency of
solar cells. Here we report that the bulk photovoltaic effect, which is free from the …

Pseudo Landau level representation of twisted bilayer graphene: Band topology and implications on the correlated insulating phase

J Liu, J Liu, X Dai - Physical Review B, 2019 - APS
We propose that the electronic structure of twisted bilayer graphene (TBG) can be
understood as Dirac fermions coupled with opposite pseudomagnetic fields generated by …

Kohn-luttinger superconductivity in twisted bilayer graphene

J Gonzalez, T Stauber - Physical review letters, 2019 - APS
We show that the recently observed superconductivity in twisted bilayer graphene (TBG) can
be explained as a consequence of the Kohn-Luttinger (KL) instability which leads to an …

A flexoelectricity-enabled ultrahigh piezoelectric effect of a polymeric composite foam as a strain-gradient electric generator

D Yan, J Wang, J Xiang, Y Xing, LH Shao - Science Advances, 2023 - science.org
All dielectric materials including ceramics, semiconductors, biomaterials, and polymers have
the property of flexoelectricity, which opens a fertile avenue to sensing, actuation, and …

Superlattice-induced insulating states and valley-protected orbits in twisted bilayer graphene

Y Cao, JY Luo, V Fatemi, S Fang… - Physical review …, 2016 - APS
Twisted bilayer graphene (TBLG) is one of the simplest van der Waals heterostructures, yet it
yields a complex electronic system with intricate interplay between moiré physics and …