Angle-resolved photoemission studies of quantum materials

JA Sobota, Y He, ZX Shen - Reviews of Modern Physics, 2021 - APS
The physics of quantum materials is dictated by many-body interactions and mathematical
concepts such as symmetry and topology that have transformed our understanding of matter …

Screening mechanisms at polar oxide heterointerfaces

S Hong, SM Nakhmanson… - Reports on Progress in …, 2016 - iopscience.iop.org
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 …

Tailoring the nature and strength of electron–phonon interactions in the SrTiO3(001) 2D electron liquid

Z Wang, S McKeown Walker, A Tamai, Y Wang… - Nature materials, 2016 - nature.com
Surfaces and interfaces offer new possibilities for tailoring the many-body interactions that
dominate the electrical and thermal properties of transition metal oxides,,,. Here, we use the …

Observation of a two-dimensional liquid of Fröhlich polarons at the bare SrTiO3 surface

C Chen, J Avila, E Frantzeskakis, A Levy… - Nature …, 2015 - nature.com
The polaron is a quasi-particle formed by a conduction electron (or hole) together with its
self-induced polarization in a polar semiconductor or an ionic crystal. Among various …

Giant spin splitting of the two-dimensional electron gas at the surface of SrTiO3

AF Santander-Syro, F Fortuna, C Bareille, TC Rödel… - Nature materials, 2014 - nature.com
Two-dimensional electron gases (2DEGs) forming at the interfaces of transition metal
oxides,, exhibit a range of properties, including tunable insulator–superconductor–metal …

Universal Fabrication of Two-Dimensional Electron Systems in Functional Oxides

TC Rödel, F Fortuna, S Sengupta… - arxiv preprint arxiv …, 2021 - arxiv.org
Two-dimensional electron systems (2DESs) in functional oxides are promising for
applications, but their fabrication and use, essentially limited to SrTiO $ _3 $-based …

Control of a Two-Dimensional Electron Gas on by Atomic Oxygen

S McKeown Walker, A De La Torre, FY Bruno, A Tamai… - Physical review …, 2014 - APS
We report on the formation of a two-dimensional electron gas (2DEG) at the bare surface of
(111) oriented SrTiO 3. Angle resolved photoemission experiments reveal highly itinerant …

Surface magnetism of strontium titanate

JMD Coey, M Venkatesan… - Journal of Physics …, 2016 - iopscience.iop.org
SrTiO 3 plays a central role in oxide electronics. It is the substrate of choice for functional
oxide heterostructures based on perovskite-structure thin-film stacks, and its surface or …

Creation of high mobility two-dimensional electron gases via strain induced polarization at an otherwise nonpolar complex oxide interface

Y Chen, F Trier, T Kasama, DV Christensen… - Nano Letters, 2015 - ACS Publications
The discovery of two-dimensional electron gases (2DEGs) in SrTiO3-based heterostructures
provides new opportunities for nanoelectronics. Herein, we create a new type of oxide 2DEG …

In Situ Control of Separate Electronic Phases on SrTiO3 Surfaces by Oxygen Dosing.

L Dudy, M Sing, P Scheiderer, JD Denlinger… - … (Deerfield Beach, Fla …, 2016 - europepmc.org
Insulating SrTiO3 (STO) can host 2D electron systems (2DESs) on its surfaces, caused by
oxygen defects. This study shows that the STO surface exhibits phase separation once the …