344 citations · 959 across the 23 of their papers we have counts for
23 papers
Metal-organic Pulsed Laser Deposition for Complex Oxide Heterostructures
Jung-Woo Lee, Jieun Kim, Anthony L. Edgeton +21
Point defects in complex oxide thin films play a critical role in determining material properties but remain challenging to control with precision. This study introduces metal-orga…
Extraordinary magnetometry -- a review on extraordinary magnetoresistance
Thierry Desire Pomar, Ricci Erlandsen, Bowen Zhou +3
Extraordinary magnetoresistance (EMR) is a geometric magnetoresistance effect occurring in hybrid devices consisting of a high-mobility material joined by a metal. The change in re…
Reconstruction of low dimensional electronic states by altering the chemical arrangement at the SrTiO3 surface
Hang Li, Walber H. Brito, Eduardo B. Guedes +9
Developing reliable methods for modulating the electronic structure of the two-dimensional electron gas (2DEG) in SrTiO3 is crucial for utilizing its full potential and inducing no…
Current Mapping of Amorphous LaAlO3/SrTiO3 near the Metal-Insulator Transition
Anders V. Bjørlig, Dennis V. Christensen, Ricci Erlandsen +2
The two-dimensional electron system found between LaAlO3 and SrTiO3 hosts a variety of physical phenomena that can be tuned through external stimuli. This allows for electronic dev…
2022 Roadmap on Neuromorphic Computing and Engineering
Dennis V. Christensen, Regina Dittmann, Bernabé Linares-Barranco +56
Modern computation based on the von Neumann architecture is today a mature cutting-edge science. In the Von Neumann architecture, processing and memory units are implemented as sep…
Band-Order Anomaly at the γ-Al2O3/SrTiO3 Interface Drives the Electron-Mobility Boost
Alla Chikina, Dennis V. Christensen, Vladislav Borisov +10
Rich functionalities of transition-metal oxides and their interfaces bear an enormous technological potential. Its realization in practical devices requires, however, a significant…
Self-formed Micro-Membranes
Alessia Sambri, Mario Scuderi, Anita Guarino +13
Oxide heterostructures represent a unique playground for triggering the emergence of novel electronic states and for implementing new device concepts. The discovery of 2D conductiv…
Gate-tunable Rashba spin-orbit coupling and spin polarization at diluted oxide interfaces
Yulin Gan, Yu Zhang, Dennis V. Christensen +2
Diluted oxide interface of LaAl1-xMnxO/SrTiO3 (LAMO/STO) provides a new way of tuning the ground states of the interface between the two band insulators of LAO and STO from metalli…
On the emergence of conductivity at SrTiO3-based oxide interfaces -- an in-situ study
Merlin von Soosten, Dennis Valbjørn Christensen, Chang-Beom Eom +3
Heterostructures and crystal interfaces play a major role in state-of-the-art semiconductor devices and play a central role in the field of oxide electronics. In oxides the link be…
Magnetic and electronic properties at the gamma-Al2O3/SrTiO3 interface
J. R. L. Mardegan, D. V. Christensen, Y. Z. Chen +7
The magnetic and electronic nature of the gamma-Al2O3/SrTiO3 spinel/perovskite interface is explored by means of x-ray absorption spectroscopy. Polarized x-ray techniques combined…
Diluted Oxide Interfaces with Tunable Ground States
Yulin Gan, Dennis Valbjørn Christensen, Yu Zhang +14
The metallic interface between two oxide insulators, such as LaAlO3/SrTiO3 (LAO/STO), provides new opportunities for electronics and spintronics. However, due to the presence of mu…
Giant tunability of the two-dimensional electron gas at the interface of gamma-Al2O3/SrTiO3
W. Niu, Y. Zhang, Y. L. Gan +9
Herein, we reported giant tunability of the physical properties of 2DEGs at the spinel/perovskite interface of γ-Al2O3/SrTiO3 (GAO/STO). By modulating the carrier density thus the…
Microscopic origin of the mobility enhancement at a spinel/perovskite oxide heterointerface revealed by photoemission spectroscopy
P. Schütz, D. V. Christensen, V. Borisov +15
The spinel/perovskite heterointerface -AlO/SrTiO hosts a two-dimensional electron system (2DES) with electron mobilities exceeding those in its all-perovskite counte…
Suppressed carrier density for the patterned high mobility two-dimensional electron gas at gamma-Al2O3/SrTiO3 heterointerfaces
W. Niu, Y. L. Gan, Y. Zhang +7
The two-dimensional electron gas (2DEG) at the non-isostructural interface between spinel gamma-Al2O3 and perovskite SrTiO3 is featured by a record electron mobility among complex…
Universality of Electron Mobility in LaAlO/SrTiO and bulk SrTiO
F. Trier, K. V. Reich, D. V. Christensen +5
Metallic LaAlO/SrTiO (LAO/STO) interfaces attract enormous attention, but the relationship between the electron mobility and the sheet electron density, , is poorly un…
Effect of Sr-doping of LaMnO3 spacer on modulation-doped two-dimensional electron gases at oxide interfaces
Y. Z. Chen, Y. L. Gan, D. V. Christensen +2
Modulation-doped oxide two-dimensional electron gas (2DEG) formed at the LaMnO3 (LMO) buffered disorderd-LaAlO3/SrTiO3 (d-LAO/LMO/STO) heterointerface, provides new opportunities f…
Quantization of Hall Resistance at the Metallic Interface between an Oxide Insulator and SrTiO
Felix Trier, Guenevere E. D. K. Prawiroatmodjo, Zhicheng Zhong +7
The two-dimensional metal forming at the interface between an oxide insulator and SrTiO3 provides new opportunities for oxide electronics. However, the quantum Hall effect, one of…
Patterning of high mobility electron gases at complex oxide interfaces
Felix Trier, Guenevere E. D. K. Prawiroatmodjo, Merlin von Soosten +4
Oxide interfaces provide an opportunity for electronics. However, patterning of electron gases at complex oxide interfaces is challenging. In particular, patterning of complex oxid…
Evidence of weak superconductivity at the room-temperature grown LaAlO/SrTiO interface
Guenevere E. D. K. Prawiroatmodjo, Felix Trier, Dennis V. Christensen +3
The two-dimensional electron gas at the crystalline LaAlO/SrTiO (c-LAO/STO) interface has sparked large interest due to its exotic properties including an intriguing ga…
Extreme mobility enhancement of two-dimensional electron gases at oxide interfaces via charge transfer induced modulation doping
Y. Z. Chen, F. Trier, T. Wijnands +22
The discovery of two-dimensional electron gases (2DEGs) at the interface between two insulating complex oxides, such as LaAlO3 (LAO) or gamma-Al2O3 (GAO) epitaxially grown on SrTiO…
Creation of high mobility two-dimensional electron gases via strain induced polarization at an otherwise nonpolar complex oxide interface
Yunzhong Chen, Felix Trier, Takeshi Kasama +10
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…
An optimized magnet for magnetic refrigeration
R. Bjørk, C. R. H. Bahl, A. Smith +2
A magnet designed for use in a magnetic refrigeration device is presented. The magnet is designed by applying two general schemes for improving a magnet design to a concentric Halb…
A high-mobility two-dimensional electron gas at the heteroepitaxial spinel/perovskite complex oxide interface of γ-Al2O3/SrTiO3
Y. Z. Chen, N. Bovet, F. Trier +16
The discovery of two-dimensional electron gases (2DEGs) at the heterointerface between two insulating perovskite-type oxides, such as LaAlO3 and SrTiO3, provides opportunities for…