Reversible Photomodulation of Two-Dimensional Electron Gas in LaAlO3/SrTiO3 Heterostructures

G Yang, Y Kim, J Jeon, M Lee, D Kim, S Kim, K Eom… - Nano Letters, 2023 - ACS Publications
Long-lived photoinduced conductance changes in LaAlO3/SrTiO3 (LAO/STO)
heterostructures enable their use in optoelectronic memory applications. However, it …

Collective Control of Potential‐Constrained Oxygen Vacancies in Oxide Heterostructures for Gradual Resistive Switching

J Jeon, K Eom, M Lee, S Kim, H Lee - Small, 2023 - Wiley Online Library
Filamentary resistive switching in oxides is one of the key strategies for developing next‐
generation non‐volatile memory devices. However, despite numerous advantages, their …

[HTML][HTML] Low-frequency noise behaviors of quasi-two-dimensional electron systems based on complex oxide heterostructures

Y Kim, D Kim, SH Mo, SH Ryou, JW Lee, K Eom… - Current Applied …, 2024 - Elsevier
We report the low-frequency noise behaviors in quasi-two-dimensional (quasi-2D) electron
systems based on complex oxide heterostructures. First, the surface 2D electron gas (2DEG) …

Atomic-Scale Interface Modification in Complex Oxide Heterojunctions for Near-Infrared Photodetection

S Ryou, S Mo, D Kim, S Choi, J Oh, Y Yang, K Eom… - ACS …, 2024 - ACS Publications
Photodetectors that detect near-infrared (NIR) light serve as important components in
contemporary energy-efficient optoelectronic devices. However, detecting the low-energy …

Optoelectronic Synapse Based on 2D Electron Gas in Stoichiometry‐Controlled Oxide Heterostructures

M Lee, Y Kim, SH Mo, S Kim, K Eom, H Lee - Small, 2024 - Wiley Online Library
Emulating synaptic functionalities in optoelectronic devices is significant in developing
artificial visual‐perception systems and neuromorphic photonic computing. Persistent …

Electrical Properties of Two-dimensional Electron Gas at the Interface of LaAlO3/SrTiO3 by a Solution-based Process

K Ryu, S Ryou, H Cho, H Ahn, JH Jung… - Journal of the …, 2024 - koreascience.kr
The discovery of a two-dimensional electron gas (2DEG) at the interface of LaAlO 3 (LAO)
and SrTiO 3 (STO) substrates has sparked significant interest, providing a foundation for …