Probing surfaces and interfaces in complex oxide films via in situ X-ray photoelectron spectroscopy

S Thapa, R Paudel, MD Blanchet… - Journal of Materials …, 2021 - Springer
Emergent behavior at oxide interfaces has driven research in complex oxide films for the
past 20 years. Interfaces have been engineered for applications in spintronics, topological …

Suitability of binary oxides for molecular-beam epitaxy source materials: A comprehensive thermodynamic analysis

KM Adkison, SL Shang, BJ Bocklund, D Klimm… - APL Materials, 2020 - pubs.aip.org
We have conducted a comprehensive thermodynamic analysis of the volatility of 128 binary
oxides to evaluate their suitability as source materials for oxide molecular-beam epitaxy …

[HTML][HTML] Investigation on transparent, conductive ZnO: Al films deposited by atomic layer deposition process

K Zhao, J **e, Y Zhao, D Han, Y Wang, B Liu, J Dong - Nanomaterials, 2022 - mdpi.com
Transparent electrodes are a core component for transparent electron devices, photoelectric
devices, and advanced displays. In this work, we fabricate fully-transparent, highly …

High-Mobility Field-Effect Transistor Using 2-Dimensional Electron Gas at the LaScO3/BaSnO3 Interface

H Cho, D Song, Y Kim, B Kim… - ACS Applied Electronic …, 2021 - ACS Publications
A 2-dimensional electron gas (2DEG) system with high mobility was discovered at the
interface of two perovskite oxides: a polar orthorhombic perovskite LaScO3 and a nonpolar …

Growth of Ta2SnO6 Films, a Candidate Wide-Band-Gap p-Type Oxide

M Barone, M Foody, Y Hu, J Sun, B Frye… - The Journal of …, 2022 - ACS Publications
In an effort to discover a high-mobility p-type oxide, recent computational studies have
focused on Sn2+-based ternary oxides. Ta2SnO6 has been suggested as a potentially …

[HTML][HTML] Adsorption-controlled growth of homoepitaxial c-plane sapphire films

LN Majer, T Acartürk, PA van Aken, W Braun, L Camuti… - APL Materials, 2024 - pubs.aip.org
Sapphire is a technologically highly relevant material, but it poses many challenges when
performing epitaxial thin-film deposition. We have identified and applied the conditions for …

Enabling 2D Electron Gas with High Room‐Temperature Electron Mobility Exceeding 100 cm2 Vs−1 at a Perovskite Oxide Interface

G Hoffmann, M Zupancic, AA Riaz, C Kalha… - Advanced …, 2024 - Wiley Online Library
In perovskite oxide heterostructures, bulk functional properties coexist with emergent
physical phenomena at epitaxial interfaces. Notably, charge transfer at the interface …

Quantitative Determination of Native Point‐Defect Concentrations at the ppm Level in Un‐Doped BaSnO3 Thin Films

KS Belthle, UN Gries, MP Mueller… - Advanced Functional …, 2022 - Wiley Online Library
The high‐mobility, wide‐bandgap perovskite oxide BaSnO3 is taken as a model system to
demonstrate that the native point defects present in un‐doped, epitaxial thin films grown by …

[HTML][HTML] Drastically enhanced cation incorporation in the epitaxy of oxides due to formation and evaporation of suboxides from elemental sources

G Hoffmann, Z Cheng, O Brandt, O Bierwagen - APL Materials, 2021 - pubs.aip.org
In the molecular beam epitaxy of oxide films, the cation (Sn, Ga) or dopant (Sn) incorporation
does not follow the vapor pressure of the elemental metal sources but is enhanced by …

Employing high-temperature-grown SrZrO3 buffer to enhance the electron mobility in La: BaSnO3-based heterostructures

P Ngabonziza, J Park, W Sigle, PA van Aken… - Applied Physics …, 2023 - pubs.aip.org
We report a synthetic route to achieve high electron mobility at room temperature in epitaxial
La: BaSnO 3/SrZrO 3 heterostructures prepared on several oxide substrates. Room …