Materials Literature
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Wave-absorbing coating samples are fabricated with ZnO whisker, the absorbent and silicon resin coating as the binder.The influences of the content of ZnO whisker in the absorbing coating and the thickness of the coating on millimeter wave absorbing property are analyzed.With the increasing of the thickness, the absor…
One-dimensional Fe, Co, Ni nanotube arrays ware fabricated successfully by the electrochemical deposit in porous anodic alumina oxide (AAO) templates. The microstructure of nanotubes were observed by scanning (SEM) and transmission electron microscopes (TEM) respectively. The obtained Fe, Co, Ni nanotubes are arranged…
A novel bipolar green phosphorescence host material, 3,5-bis (4-(9H-phenol-thiazine-9-yl) phenyl)-1,2,4-oxadiazole (PPOXD), was designed and synthesized, and its structure was characterized by means of 1H NMR and 13C NMR. The photophysical properties of PPOXD were studied by ultraviolet-visble (UV-Vis) absorption, flu…
In article number 1502217, Haihui Wang, Xiong Wen (David) Lou, and co-workers demonstrate a novel approach for the large scale fabrication of flexible films composed of interconnected nitrogen-doped porous carbon nanofibers. The film is directly used as a free-standing anode material for sodium-ion batteries without t…
Cermet solar thermal selective absorber coatings are an important component of high-efficiency concentrated solar power (CSP) receivers. The oxidation of the metal nanoparticles in cermet solar absorbers is a great challenge for vacuum-free operation. Recently, we have demonstrated that oxidation is kinetically retard…
The nitrogen-doped mesoporous carbon spheres have been synthesized via soft-template and hydrothermal synthetic strategies using phenol/formaldehyde resins as carbon sources and melamine as a nitrogen source. The obtained carbon spheres exhibit a spherical morphology with a size range of 3-5 μm, which possess the narr…
Topographic templates can direct the self-assembly of block copolymers to achieve nanoscale patterns with high order. Previously, we have demonstrated well-aligned periodic lines, bends, and meshes using a sparse array of lithographically defined posts [1,2]. However, it is generally challenging to fabricate complex a…
On page 772 Z. Li, Y. Y. Wu, M. Y. Gao and co-workers show that a tumor-specific phototherapeutic agent can be created from pH-responsive Fe(III)-gallic-acid nanoparticles. Since the particles can be monitored by photoacoustic imaging, show low toxicity, and are readily degraded in non-tumor tissue, they represent a p…
Sodium silicate bonded and epoxy bonded magnetic NdFeB materials are fabricated, respectively. The magnetic properties, temperature coefficient, heat-corrosion and compressive strength of both bonded magnets are investigated. Results reveal that sodium silicate bonded magnet has a similar comprehensive property to epo…
This paper is aimed to show the influence of initial chemical pretreatment prior to subsequent plasma activation of aluminum surfaces. The results of our study showed that the state of the topmost surface layer (i.e. the surface morphology and chemical groups) of plasma modified aluminum significantly depends on the c…
The sintering step in powder metallurgy (P/M) processes is very sensitive as it determines to a large extent the properties of the final component produced. Spark plasma sintering over the past decade has been extensively used in consolidating a wide range of materials including metallic alloy powders. This novel, non…
Objective(s): The current study reports the production and biocompatibility evaluation of a ternary nanocomposite consisting of HA, PLA, and gelatin for biomedical application.Materials and Methods: Hydroxyapatite nanopowder (HA: Ca10(PO4)6(OH)2) was produced by burning the bovine cortical bone within the temperature…
In this paper, the personnel hulls of current typical deep manned submersibles were characterized by analyzing the hull materials and fabrication technologies. Owing to their good corrosion resistance and high strength-to-weight ratio, titanium alloys were commonly chosen to make the personnel hull for deep manned sub…
Poly(phenylene sulfide) (PPS) is a high-performance thermoplastic engineering polymer, which exhibits outstanding properties such as electrical insulation, dimensional and thermal stability, chemical resistance, etc. In addition to this, PPS has a high degree of crystallinity and it exhibits good physical properties a…
Prior research from this laboratory has demonstrated the feasibility of using chemical and enzymatic treatments on protein and carbohydrate waste products for the purpose of making fillers to enhance the properties of leather. These treatments (microbial transglutaminase, genipin, and polyphenols in the form of vegeta…
Wärmeentwickelnde, hochradioaktive Abfälle haben ein hohes Langzeit-Gefährdungspotenzial. Sie müssen in einem möglichst sicheren Endlager verwahrt werden, das es derzeit in Deutschland noch nicht gibt. Durch Partitionierung und Transmutation (P&T) könnte die Trennung der Abfälle (Partitionierung) sowie die Umwandlung…
The surface treatment of volcanic ash particles with various concentrations (1-3-5% (v/v)) silane coupling agent (3-aminopropyltriethoxysilane (3-APTS)) having organic functional group was conducted. After surface treatment, polyphenylene sulfide (PPS) composite samples containing surface treated volcanic ash particle…
Metallic foams are a new class of materials that have a great potential to be used in various functional and structural applications. Due to their competitive price compared to aluminium, metallic foams are anticipated to become an alternative material for light-weight structures. In this study, stainless steel foams…
The reliability and failure analysis of high-κ devices plays an important role in CMOS compatible logic and memory devices. Softer stages of dielectric degradation and breakdown deserve in-depth studies given their relevance and finite probability of occurrence in the 14 nm and sub-10 nm CMOS technology nodes of the f…
Novel warm-white emitting phosphors CaIn2O4:Dy3+ co-doped with Gd3+, Zn2+, or Al3+ ions were prepared by solid state reaction. In this paper, a strategy of co-doping with different ions was used with the aim of affecting the luminescence properties of CaIn204:0.6%Dy3+ under NUV excitation. The luminescence intensities…