A5090511112- Metal and Thin Film Mechanics
- GaN-based semiconductor devices and materials
- Diamond and Carbon-based Materials Research
- High-Temperature Coating Behaviors
- Advanced Materials Characterization Techniques
- Photonic Crystal and Fiber Optics
- Semiconductor materials and devices
- Ga2O3 and related materials
- Advanced materials and composites
- biodegradable polymer synthesis and properties
- Ferroelectric and Piezoelectric Materials
- Nanocomposite Films for Food Packaging
- Advanced Surface Polishing Techniques
- Microwave Dielectric Ceramics Synthesis
- ZnO doping and properties
- Advanced Fiber Optic Sensors
- Geomagnetism and Paleomagnetism Studies
- Semiconductor Quantum Structures and Devices
- Catalytic Processes in Materials Science
- Acoustic Wave Resonator Technologies
- Advanced Fiber Laser Technologies
- Geological and Geochemical Analysis
- Orbital Angular Momentum in Optics
- Intermetallics and Advanced Alloy Properties
- Aluminum Alloys Composites Properties
University of Warwick
2019-2025
Jiangsu Institute of Parasitic Diseases
2024-2025
Shenzhen Stock Exchange
2023-2024
University of Cambridge
2015-2023
Instituto de Óptica "Daza de Valdés"
2022
United States Air Force Research Laboratory
2021
Georgia Institute of Technology
2021
University of Wisconsin–Madison
2021
Carnegie Mellon University
2021
University of South Carolina
2021
The burgeoning interest in biopolymer 3D printing arises from its capacity to meticulously engineer tailored, intricate structures, driven by the intrinsic benefits of biopolymers—renewability, chemical functionality, and biosafety. Nevertheless, accessibility economical versatile 3D-printable biopolymer-based inks remains highly constrained. This study introduces an electroconductive ink for direct-ink-writing (DIW) printing, distinguished straightforward preparation commendable...
Understanding the energetics at interface, including alignment of valence and conduction bands, built-in potentials, ionic electronic reconstructions, is an important challenge in designing oxide interfaces that have controllable multifunctionalities for novel (opto-)electronic devices. In this work, we report detailed investigations on heterointerface wide-band-gap p-type NiO n-type SrTiO3 (STO). We show despite a large lattice mismatch (∼7%) dissimilar crystal structure, high-quality...
A single-frequency distributed Bragg reflector (DBR) fiber laser at 1030 nm has been demonstrated using a 0.7 cm long homemade Yb:YAG crystal-derived silica (YCDSF). The absorption and emission cross sections of the YCDSF are <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" id="m1"> <mml:mrow> <mml:mn>4.93</mml:mn> <mml:mo>×</mml:mo> <mml:msup> <mml:mn>10</mml:mn> </mml:mrow> <mml:mo>−</mml:mo> <mml:mn>20</mml:mn> </mml:msup> <mml:mtext> </mml:mtext>...
A potential record of Earth's magnetic field going back 4.2 billion years (Ga) ago is carried by magnetite inclusions in zircon grains from the Jack Hills. This may be secondary nature, however, meaning that much younger than crystallization age. Here, we use atom probe tomography to show Pb-bearing nanoclusters magnetite-bearing Hills zircons formed during two discrete events at 3.4 and <2 Ga. The older population clusters contains no detectable Fe, whereas roughly half Fe bearing. result...
In this paper we present a detailed analysis of the structural, electronic, and optical properties an $m$-plane (In,Ga)N/GaN quantum well structure grown by metal organic vapor phase epitaxy. The sample has been structurally characterized x-ray diffraction, scanning transmission electron microscopy, 3D atom probe tomography. have studied photoluminescence (PL), time-resolved PL spectroscopy, polarized excitation spectroscopy. spectrum consisted very broad line with high degree linear...
Chitosan, a biocompatible polysaccharide having antimicrobial efficacy, is highly useful for biomedical and other applications. How chitosan properties can be tailored continues to attract intense research interest. Herein, chitosan/carboxymethyl cellulose (CMC) materials filled with montmorillonite (MMT) were thermomechanically processed resulting in excellent nanoclay dispersion. Inclusion of MMT significantly increased molecular relaxation temperatures, tensile mechanical properties, film...
This study investigates the microstructural evolution and interfacial phenomena in five Sn–Cu–Zn solder alloys, focusing on impact of Zn addition (0–1 wt.%). The findings reveal that destabilises eutectic interface, inducing cellular morphologies with fine coarse at cell centres, while CuZn intermetallic compounds (IMCs) form interdendritic regions. Remarkably, even trace additions significantly influence solidification dynamics by reducing undercooling altering growth mode primary β-Sn....
In China, public preschools only admit children from local permanent resident families, differing private admitting mostly transient population families such as work migrants. Thus, this study aims to compare pinworm infection rate and its risk factors between contribute the limited understanding of disparities. A three-year cross-sectional was conducted in Jiangsu Province, China 2019 2021. each site, two types were selected: preschool preschool. Multi-stage cluster sampling applied. The...
Atom probe tomography (APT) has been used to characterize the distribution of In atoms within non-polar a-plane InGaN quantum wells (QWs) grown on a GaN pseudo-substrate produced using epitaxial lateral overgrowth. Application focused ion beam microscope enabled APT needles be prepared from low defect density regions sample. A complementary analysis was also undertaken QWs having comparable contents polar c-plane sample pseudo-substrates. Both frequency and modified nearest neighbor analyses...
The present work deals with the effect of iron intermetallics on microstructure and mechanical properties Al-7% Si alloys. Two different additions were made, 0.6% Fe 2% Fe, to study Al-Si Microstructure property correlations carried out using SEM-EDS tensile testing results show that rise in content significantly increased average size, thickness number intermetallic particles Nano-indentation shows are too brittle compared primary aluminium. Moreover, hardness Young's modulus higher than...
Bionanocomposites of chitosan and chitosan/carboxymethyl cellulose (CMC) polyelectrolyte complexed materials with graphene oxide (GO) or reduced (rGO) were prepared by thermomechanical processing excellent levels dispersion. While GO has a greater affinity the polycation, rGO had more pronounced effect on properties resulting in increased tensile strength, Shore D hardness, thermal stability both matrices. Although is hydrophilic than rGO, former effectively surface hydrophobicity...
Natural biopolymers such as chitosan and cellulose have demonstrated huge potential in important rapidly growing environmental biomedical applications. However, it is always challenging to create advanced functional biopolymer materials with enhanced hydrolytic stability cost-effectively. Here, we report an advance preparing polyelectrolyte complexed based on carboxymethyl (CMC) using a "dry", thermo-mechanical kneading method. Despite the high hydrophilicity of CMC, resulting films showed...
Zircon crystals from the Jack Hills, Western Australia, are one of few surviving mineralogical records Earth's first 500 million years and have been proposed to contain a paleomagnetic record Hadean geodynamo. A prerequisite for preservation magnetization is presence primary magnetic inclusions within pristine igneous zircon. To date no images recorders ancient zircon presented. Here we use high-resolution transmission electron microscopy demonstrate that all observed secondary features...
The time of origin the geodynamo has important implications for thermal evolution planetary interior and habitability early Earth. It been proposed that detrital zircon grains from Jack Hills, Western Australia, provide evidence an active as 4.2 billion years (Ga) ago. However, our combined paleomagnetic, geochemical, mineralogical studies on Hills zircons indicate most have poor magnetic recording properties secondary magnetization carriers postdate formation zircons. Therefore, existence...