Direct observation of a two-dimensional hole gas at oxide interfaces
The discovery of a two-dimensional electron gas (2DEG) at the LaAlO3/SrTiO3 interface has
resulted in the observation of many properties,,–not present in conventional semiconductor …
resulted in the observation of many properties,,–not present in conventional semiconductor …
Imaging and dynamics of light atoms and molecules on graphene
Observing the individual building blocks of matter is one of the primary goals of microscopy.
The invention of the scanning tunnelling microscope revolutionized experimental surface …
The invention of the scanning tunnelling microscope revolutionized experimental surface …
Enhancement of the anisotropic photocurrent in ferroelectric oxides by strain gradients
The phase separation of multiple competing structural/ferroelectric phases has attracted
particular attention owing to its excellent electromechanical properties. Little is known …
particular attention owing to its excellent electromechanical properties. Little is known …
Sharpened VO2 Phase Transition via Controlled Release of Epitaxial Strain
Phase transitions in correlated materials can be manipulated at the nanoscale to yield
emergent functional properties, promising new paradigms for nanoelectronics and …
emergent functional properties, promising new paradigms for nanoelectronics and …
Confined and chemically flexible grain boundaries in polycrystalline compound semiconductors
Grain boundaries (GBs) in polycrystalline Cu (In, Ga) Se2 thin films exhibit only slightly
enhanced recombination, as compared with the grain interiors, allowing for very high power …
enhanced recombination, as compared with the grain interiors, allowing for very high power …
Electronic and Structural Transitions of LaAlO3/SrTiO3 Heterostructure Driven by Polar Field‐Assisted Oxygen Vacancy Formation at the Surface
The origin of 2D electron gas (2DEG) at LaAlO3/SrTiO3 (LAO/STO) interfaces has remained
highly controversial since its discovery. Various models are proposed, which include …
highly controversial since its discovery. Various models are proposed, which include …
Phase plates in the transmission electron microscope: operating principles and applications
In this paper, we review the current state of phase plate imaging in a transmission electron
microscope. We focus especially on the hole-free phase plate design, also referred to as the …
microscope. We focus especially on the hole-free phase plate design, also referred to as the …
High‐resolution mapping of strain partitioning and relaxation in InGaN/GaN nanowire heterostructures
B Park, JK Lee, CT Koch, M Wölz… - Advanced …, 2022 - Wiley Online Library
Abstract Growing an InxGa1− xN/GaN (InGaN/GaN) multi‐quantum well (MQW)
heterostructure in nanowire (NW) form is expected to overcome limitations inherent in light …
heterostructure in nanowire (NW) form is expected to overcome limitations inherent in light …
Differential programming enabled functional imaging with Lorentz transmission electron microscopy
Lorentz transmission electron microscopy is an advanced characterization technique that
enables the simultaneous imaging of both the microstructure and functional properties of …
enables the simultaneous imaging of both the microstructure and functional properties of …
An efficient, simple, and precise way to map strain with nanometer resolution in semiconductor devices
We report on the development of the dark-field inline electron holography technique and its
application to map strain in technologically relevant structures, using as an example the …
application to map strain in technologically relevant structures, using as an example the …