Structural Transformation of Unconventional-Phase Materials

Y Ge, B Huang, L Li, Q Yun, Z Shi, B Chen, H Zhang - ACS nano, 2023 - ACS Publications
The structural transformation of materials, which involves the evolution of different structural
features, including phase, composition, morphology, etc., under external conditions …

Deciphering the structure of heterogeneous catalysts across scales using pair distribution function analysis

NK Zimmerli, CR Müller, PM Abdala - Trends in Chemistry, 2022 - cell.com
Heterogeneous catalysts are complex materials, often containing multiple atomic species
and phases with various degrees of structural order. The identification of structure …

Nature of GaOx Shells Grown on Silica by Atomic Layer Deposition

Z Chen, NK Zimmerli, M Zubair, AV Yakimov… - Chemistry of …, 2023 - ACS Publications
Gallia-based shells with a thickness varying from a submonolayer to ca. 2.5 nm were
prepared by atomic layer deposition (ALD) using trimethylgallium, ozone, and partially …

Propane Dehydrogenation on Ga2O3-Based Catalysts: Contrasting Performance with Coordination Environment and Acidity of Surface Sites

P Castro-Fernández, D Mance, C Liu, IB Moroz… - ACS …, 2021 - ACS Publications
α-Ga2O3, β-Ga2O3, and γ-Ga2O3 as well as the silica-supported catalysts γ-Ga2O3/SiO2, β-
Ga2O3/SiO2, and Ga (NO3) 3-derived Ga/SiO2 were prepared, characterized, and …

Formation of γ-Ga2O3 by ion implantation: Polymorphic phase transformation of β-Ga2O3

J García-Fernández, SB Kjeldby, PD Nguyen… - Applied Physics …, 2022 - pubs.aip.org
Ion implantation induced phase transformation and the crystal structure of a series of ion
implanted β-Ga 2 O 3 samples were studied using electron diffraction, high resolution …

Atomic scale mechanism of β to γ phase transformation in gallium oxide

HL Huang, JM Johnson, C Chae, A Senckowski… - Applied Physics …, 2023 - pubs.aip.org
We report the detailed mechanism behind the β to γ phase transformation in Sn-doped and
Si-implanted Ga 2 O 3 that we determined based on the direct observation of the atomic …

Size-Dependent Phase Transition in Ultrathin Ga2O3 Nanowires

J Wang, X Guan, H Zheng, L Zhao, R Jiang, P Zhao… - Nano Letters, 2023 - ACS Publications
Gallium oxide (Ga2O3) has attracted extensive attention as a potential candidate for low-
dimensional metal-oxide-semiconductor field-effect transistors (MOSFETs) due to its wide …

Interfacial Phase Modulation-Induced Structural Distortion, Band Gap Reduction, and Nonlinear Optical Activity in Tin-Incorporated Ga2O3

G Gutierrez, EM Sundin, PG Nalam… - The Journal of …, 2021 - ACS Publications
We report the structural chemistry and optical properties of tin (Sn)-mixed gallium oxide
(Ga2O3) compounds, where the interfacial phase modulation-induced structural distortion in …

[HTML][HTML] Bulk and surface transformations of Ga2O3 nanoparticle catalysts for propane dehydrogenation induced by a H2 treatment

P Castro-Fernández, D Mance, C Liu, PM Abdala… - Journal of …, 2022 - Elsevier
Three γ/β-Ga 2 O 3 nanoparticle catalysts that differ in the relative ratio of γ-Ga 2 O 3 to β-Ga
2 O 3 were prepared to evaluate the effect of H 2 treatment (500° C, 2 h) on the coordination …

Design of Cr–Ba-doped γ-Ga 2 O 3 persistent luminescence nanoparticles for ratiometric temperature sensing and encryption information transfer

T Zhao, R Abdurahman, Q Yang, R Aiwaili… - Journal of Materials …, 2024 - pubs.rsc.org
Herein, we designed and prepared the persistent luminescence nanoparticles (PLNPs) of γ-
Ga2O3: Cr, Ba rationally with Cr ions to achieve the near-infrared (NIR) emission at 700 nm …