631 Result(s)
within
Article
Ji** Ma
English
Applied and Technical Physics
Materials Engineering
Nanotechnology
-
Article
Self-healing mechanisms for Ge–Sb–S chalcogenide glasses upon gamma irradiation
We report atomistic mechanisms that directly correlate the time-dependent optical responses of bulk Ge23Sb7S70 chalcogenide glasses to their metastable structural defects created and subsequently annihilated foll...
-
Article
Tuning the magnetic configuration of bilayer graphene quantum dot by twisting
Twistronics has recently attracted tremendous attention because the twisting can engineer the bilayer graphene-like materials into varying types of strongly correlated phases. In this article, we study the twi...
-
Article
Structural characteristics and tribological properties of an ultrafine-grained Al–40Si–5Fe coating prepared by supersonic plasma spraying
High silicon aluminum alloy coatings (HSAACs) are characterized by high surface hardness and excellent wear resistance, and the fineness has a significant impact on their properties. In this study, Al–40Si–5Fe...
-
Article
Surface coated longan shell-derived carbon host design for high-rate sodium–selenium batteries
Sodium–selenium (Na–Se) batteries are a promising substitute for lithium-ion batteries due to the high volumetric capacity of Se (3260 mAh cm−3) and their high conductivity. However, the shuttle effect and sluggi...
-
Article
Metal–metal phosphide synthesis: Selective phosphidation of Ag–Cu nanocrystals
The incorporation of phosphorous into metal nanoparticles can be an important way to change the material structure and catalytic properties. Colloidal synthesis, hot injection in particular, is well known for ...
-
Article
Deposition effects and interface structure of HVOF-sprayed multimodal WC-CoCr coatings
The deposition behavior of WC-CoCr powder, microstructure, hardness and fracture toughness of the coating were examined. The splats and coatings were deposited on the surface of the Q235 steel by high-velocity...
-
Article
The activity of Fe/Co/Ni multi-metal doped electrocatalysts for oxygen reduction reaction
In order to reveal the relationship between the structure and the electrochemical oxygen reduction reaction (ORR) activity of different double transition metal decorated catalysts, three different double trans...
-
Article
Diffusion-assisted metallic invasion into graphene oxide layer in metal/graphene oxide/metal structures
Diffusion of metallic content into graphene oxide (GO) thin film layers prepared over metallic surfaces is demonstrated in GO/metal (M1 = ITO, Al, Au) and metal (M2 = Al, Au)/GO/M1 = ITO, Al, Au) device structure...
-
Article
Composition influence on edge dislocation mobility in an FCC high-entropy alloy
Molecular dynamics simulations were conducted to investigate the mobility of edge dislocation on FeNiCrCoCu FCC high-entropy alloy. We calculated the effects of temperature and stress on the dislocation veloci...
-
Article
An ultrasensitive electrochemical DNA biosensor based on the highly conductive Nd–Sb-co-doped SnO2@Pt nanocomposite for the rapid detection of HIV-DNA
Human immune deficiency virus (HIV) continues to cause havoc around the globe and has a significant impact on public safety. Therefore, a convenient method for the rapid detection of HIV-DNA is the key to the...
-
Article
The effects of hot rolling and heat treatment on the microstructure and mechanical properties of an Al-Cu-Mg-Sc alloy reinforced with in situ TiB2 particulates
The effects of particulate fraction, rolling thickness reduction, and heat treatment on the microstructure and mechanical properties of an Al-Cu-Mg-Sc/TiB2 composite (TiB2 /Al2618) are analyzed. The yield strengt...
-
Article
Effects of inclusions on dislocation behavior during deformation process of dissimilar steel-welded joints using acoustic emission and transmission electron microscopy
Dissimilar welded joints are widely used, and the research on their deformation mechanism is of great significance. Effects of inclusions on dislocation behavior during deformation process of dissimilar steel-...
-
Article
Preparation of polyaniline/cellulose composites assisted with supercritical CO2
In this paper, with cellulose microsphere as the substrate, a polyaniline/cellulose composite was prepared by means of in situ polymerization in supercritical CO2 (SCCO2) environment, and the effect of experiment...
-
Article
Preparation and characterization of Bomidin-loaded thermosensitive hydrogel for periodontal application
Periodontitis is a chronic infection and tissue-destructive disease which is considered as the major cause of tooth loss. However, satisfactory clinical treatment for the disease has yet to be achieved. Herein...
-
Article
Multi-hollow spherical CeO2 activates persulfate for heterogeneous degradation of organics
In this work, a multi-hollow spherical CeO2 material was prepared, which when combined with persulfate (PS) efficiently catalyzed the degradation of basic orange II (BOII) under visible light. In the CeO2/PS/Vis ...
-
Article
Effects of initial microstructure on the aging behavior and subsequent mechanical properties of Ti–Nb–O titanium alloy
Metastable β-type Ti–38Nb–0.2O alloy was subjected to cold rolling (CR) and solution treatment (ST), and the effects of initial microstructure on the aging behavior and subsequent mechanical properties were in...
-
Article
Open AccessPrediction of the epichlorohydrin derived cytotoxic substances from the eluent of poly(glycerol glycidyl ether) films
Glycerol-based epoxy networks have great potential for surface functionalization, providing anti-microbial and protein repellant function. However, the synthesis of glycerol glycidyl ether (GGE) monomer often ...
-
Article
Open AccessMaterial aspects of giga-Hertz ZnO TFTs for wireless systems
Having enabled high-value application capabilities through mass production of flat-panel displays, X-ray imagers, and solar panels, Large-Area Electronics (LAE) holds potential to open new frontiers in wireles...
-
Article
A sensitive photodetector: Tuning the electronic structure of the Cu2O/MoS2 heterojunction by controlling the interlayer spacing or electric field
It is a significant challenge to enhance the band alignment sensitivity of MoS2-based optoelectronic devices by constructing semiconductor heterojunction. To solve the problem, we incorporate Cu2O into MoS2 to en...
-
Article
Treatment on Co/GNs composites with Ce(NO3)3 aqueous solution for selective multiple-broadband electromagnetic wave absorption performance
In this study, the Co/GNs composites was successfully synthesized by a facile hydrothermal method, and under moderate conditions, CeO2–Co/GNs composites were prepared by a simple way of stirring H2O2 at 45 ℃ for ...
