Progress in BiFeO 3-based heterostructures: materials, properties and applications
BiFeO3-based heterostructures have attracted much attention for potential applications due
to their room-temperature multiferroic properties, proper band gaps and ultrahigh …
to their room-temperature multiferroic properties, proper band gaps and ultrahigh …
Screening mechanisms at polar oxide heterointerfaces
The interfaces of polar oxide heterostructures can display electronic properties unique from
the oxides they border, as they require screening from either internal or external sources of …
the oxides they border, as they require screening from either internal or external sources of …
Anisotropic polarization-induced conductance at a ferroelectric–insulator interface
Coupling between different degrees of freedom, that is, charge, spin, orbital and lattice, is
responsible for emergent phenomena in complex oxide heterostrutures,. One example is the …
responsible for emergent phenomena in complex oxide heterostrutures,. One example is the …
Ferroelectric tunnel junctions enhanced by a polar oxide barrier layer
Ferroelectric tunnel junctions (FTJs) have recently aroused significant interest due to the
interesting physics controlling their properties and potential application in nonvolatile …
interesting physics controlling their properties and potential application in nonvolatile …
First-principles study of two-dimensional electron and hole gases at the head-to-head and tail-to-tail domain walls in ferroelectric thin films
We study from first principles the structural and electronic properties of head-to-head (HH)
and tail-to-tail (TT) 180∘ domain walls in isolated free-standing PbTiO 3 slabs. For …
and tail-to-tail (TT) 180∘ domain walls in isolated free-standing PbTiO 3 slabs. For …
Two-dimensional electron gas at the interface: An ab initio study
In the polar catastrophe scenario, polar discontinuity accounts for the driving force of the
formation of a two-dimensional electron gas (2DEG) at the interface between polar and …
formation of a two-dimensional electron gas (2DEG) at the interface between polar and …
Ferroelectric control of a spin-polarized two-dimensional electron gas
Y Weng, W Niu, X Huang, M An, S Dong - Physical Review B, 2021 - APS
The spin-polarized two-dimensional electron gas (2DEG) at oxide interfaces is an emerging
physical phenomenon, which is technologically important for potential device applications …
physical phenomenon, which is technologically important for potential device applications …
Emergent properties at oxide interfaces controlled by ferroelectric polarization
Ferroelectric materials are characterized by the spontaneous polarization switchable by the
applied fields, which can act as a “gate” to control various properties of ferroelectric/insulator …
applied fields, which can act as a “gate” to control various properties of ferroelectric/insulator …
Electrostatics and domains in ferroelectric superlattices
The electrostatics arising in ferroelectric/dielectric two-dimensional heterostructures and
superlattices is revisited within a Kittel model in order to define and complete a clear …
superlattices is revisited within a Kittel model in order to define and complete a clear …
Polar Morphologies from First Principles: PbTiO3 Films on SrTiO3 Substrates and the Surface Reconstruction
Low‐dimensional structures comprised of ferroelectric (FE) PbTiO3 (PTO) and quantum
paraelectric SrTiO3 (STO) are hosts to complex polarization textures such as polar waves …
paraelectric SrTiO3 (STO) are hosts to complex polarization textures such as polar waves …