Results 21 to 30 of about 1,413 (147)

Phase Engineering of Nanomaterials (PEN): Evolution, Current Challenges, and Future Opportunities

Advanced Materials, EarlyView.
This review summarizes the synthesis, phase transition, advanced characterization spanning ex situ to in situ and operando techniques, and diverse applications of phase engineering of nanomaterials (PEN). It further outlines key challenges and future opportunities, such as phase stability, architecture control, and artificial intelligence (AI)‐driven ...
Ye Chen, Zhanxi Fan, Jingjie Ge, Qiyuan He, Zhuangchai Lai, Jiawei Liu, Chaoliang Tan, Hua Zhang   +7 more
wiley   +1 more source

Theoretical investigation of electronic structure and thermoelectric properties of AlGa point defects in two-dimensional β-Ga2O3

Results in Physics
As a wide-bandgap semiconductor, β-Ga2O3 possesses excellent physical and chemical properties, such as ultra-low lattice thermal conductivity for thermoelectric applications.
Junjie Guo, Chunyan Song, Hui Liao, Jiaming Qi, Ningxuan Yang, Rui Wang, Jiuming Wang, Boyang Huang, Zihan Huang   +8 more
doaj   +1 more source

Growth of β-Ga2O3 and ϵ/κ-Ga2O3 on AlN(0001) by molecular-beam epitaxy

APL Materials, 2023
The heteroepitaxial growth and phase formation of Ga2O3 on Al-polar AlN(0001) templates by molecular-beam epitaxy (MBE) are studied. Three different MBE approaches are employed: (i) conventional MBE, (ii) suboxide MBE (S-MBE), and (iii) metal-oxide ...
Sushma Raghuvansy, Jon P. McCandless, Marco Schowalter, Alexander Karg, Manuel Alonso-Orts, Martin S. Williams, Christian Tessarek, Stephan Figge, Kazuki Nomoto, Huili Grace Xing, Darrell G. Schlom, Andreas Rosenauer, Debdeep Jena, Martin Eickhoff, Patrick Vogt   +14 more
doaj   +1 more source

Wavy‐Interlocked Stretchable Triboelectric Nanogenerators Enhanced by Liquid Metal Microflowers for Self‐Powered Wearable Motion Monitoring

Advanced Science, EarlyView.
Schematic showing a stretchable triboelectric nanogenerator based on interlocked wavy architectures that uses EGaIn microflower‐embedded PVDF‐TrFE and Nylon‐6 nanofiber membranes. The multi‐petaled, electron‐rich EGaIn microflowers enhance interfacial polarization and capacitance, while the interlocked wavy architecture enlarges the effective contact ...
Qianqian Xu, Huimin Li, Hanmin Zeng, Yahui Meng, Yimeng He, Xinke Hu, Senfeng Zhao, Jianxun Zhang, Peiqiong Zhou, Kechao Zhou, Dou Zhang, Chris Bowen, Yan Zhang   +12 more
wiley   +1 more source

Dual‐Mode Nanoporous SiO2 Memristors with Coexisting Volatile and Nonvolatile Dynamics for Reservoir Computing

Advanced Science, EarlyView.
A nanoporous SiO2 memristor enabling reconfigurable volatile and non‐volatile switching within a single device is demonstrated. The dual‐mode functionality supports both physical reservoir dynamics and synaptic weight storage, allowing unified hardware implementation of reservoir computing for temporal information processing, including image and ...
Bohao Ding, Tongjun Zhang, Li Shao, Nikolay Zhelev, Andrew L. Hector, Ruomeng Huang   +5 more
wiley   +1 more source

Structural and surface characterizations of 2D β-In2Se3/3D β-Ga2O3 heterostructures grown on c-Sapphire substrates by molecular beam epitaxy

Scientific Reports
Integrating two-dimensional (2D) layered materials with wide bandgap β-Ga2O3 has unveiled impressive opportunities for exploring novel physics and device concepts.
Umeshwar Reddy Nallasani, Ssu-Kuan Wu, Nhu Quynh Diep, Yen-Yu Lin, Hua-Chiang Wen, Wu-Ching Chou, Chin-Hau Chia   +6 more
doaj   +1 more source

Halide vapor phase epitaxial growth of β-Ga2O3 and α-Ga2O3 films

APL Materials, 2019
Halide vapor phase epitaxy was used to grow homoepitaxial films of β-Ga2O3 on bulk (010) crystals and heteroepitaxial films of α-Ga2O3 on c-plane sapphire substrates.
J. H. Leach, K. Udwary, J. Rumsey, G. Dodson, H. Splawn, K. R. Evans   +5 more
doaj   +1 more source

Polarization Dynamics in Ferroelectrics: Insights Enabled by Machine Learning Molecular Dynamics

Advanced Science, EarlyView.
Machine learning molecular dynamics is presented as a route to capture polarization switching, domain wall kinetics, topological polar textures, and polar mechanical coupling beyond the limits of conventional atomistic methods. This Perspective surveys recent progress and identifies key methodological directions, including long‐range electrostatics ...
Dongyu Bai, Ri He, Junxian Liu, Liangzhi Kou   +3 more
wiley   +1 more source

Growth of a-plane BaTiO3 on a-plane β-Ga2O3 by molecular-beam epitaxy [PDF]

APL Materials
We demonstrate the epitaxial growth of single-phase (100) BaTiO3 films on (100) β-Ga2O3 substrates at substrate temperatures ranging from 600 to 700 °C using molecular-beam epitaxy. Characterization of a 47 nm thick BaTiO3 film by atomic force microscopy
Kathy Azizie, Naomi A. Pieczulewski, Nicholas A. Parker, Jian V. Li, Nolan S. Hendricks, Kyle J. Liddy, Yorick A. Birkhölzer, Eric A. Welp, Luke Omodt, Thaddeus J. Asel, Shin Mou, David A. Muller, Darrell G. Schlom   +12 more
doaj   +1 more source

Epitaxial growth of β-Ga2O3 by hot-wall MOCVD

AIP Advances, 2022
The hot-wall metalorganic chemical vapor deposition (MOCVD) concept, previously shown to enable superior material quality and high performance devices based on wide bandgap semiconductors, such as Ga(Al)N and SiC, has been applied to the epitaxial growth
Daniela Gogova, Misagh Ghezellou, Dat Q. Tran, Steffen Richter, Alexis Papamichail, Jawad ul Hassan, Axel R. Persson, Per O. Å. Persson, Olof Kordina, Bo Monemar, Matthew Hilfiker, Mathias Schubert, Plamen P. Paskov, Vanya Darakchieva   +13 more
doaj   +1 more source