Materials Literature
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The occupation behavior of Y 2 O 3 in nonreducible BaTiO 3 ‐based ceramics was investigated thoroughly. Based on XRD , SEM , TEM ‐ EDS , and complex impedance analysis, it is ensured that there exists two turning points of Y 2 O 3 , 0.50 mol% and 1.00 mol%, and the latter is the solubility limit. Below 0.50 mol%, the…
ABSTRACT Aromatic triblock polymers were synthesized, characterized, and tested as protective coatings for stone surfaces. Syntheses were carried out by a ring opening polymerization process from specifically synthesized monomers ((3S)‐6‐methyl‐3‐phenyl‐1,4‐dioxan‐2,5‐dione or 1,4‐benzodioxepin‐3‐methyl‐2,5‐dione) and…
BACKGROUND: The adsorption of organic molecules on metal surfaces has a broad array of applications, from device engineering to medical diagnosis. The most extensively investigated class of metal-molecule complexes is the adsorption of thiols on gold. RESULTS: In the present manuscript, we investigate the dependence o…
The crystal structure, electronic structure and optical properties of SmTaO4 were identified through an experimental method and first principles calculation. X-ray powder diffraction (XRD) and a spectrophotometer were used to characterize the crystal structure, reflectivity and band gap of this material; furthermore,…
Abstract Functionalized graphene nanoplatelets (f‐ GNS ) were modified with (3‐mercaptopropyl)trimethoxysilane ( MPTMS ) to enhance their compatibility with the polyurethane coating matrix. The results of Fourier transform infrared spectroscopy, AFM , Raman and XRD showed that the MPTMS was successfully attached onto…
Line-defect mediated formation of hole and Mo clusters in monolayer molybdenum disulfide, Ryu, Gyeong Hee, Lee, Jongyeong, Kim, Na Yeon, Lee, Yeongdong, Kim, Youngchan, Kim, Moon J, Lee, Changgu, Lee, Zonghoon
CONTEXT: Three-dimensional tumor spheroid cultures are a better representative of in vivo solid tumors than monolayer cultures and should be used for testing potential nanotherapeutics in vitro. OBJECTIVE: To develop techniques to test the disposition and efficacy of nanocarrier formulations in spheroids in a cost-eff…
Herein, Ni nanodendrite (ND) with diameter ≈30–100 nm directly synthesized on Ni foam is utilized as an effective support for hydrous RuO2 in symmetric supercapacitors operated at 1.6 V. Highest specific capacitance 678.57 F g−1 can be achieved with energy density 60.32 Wh kg−1. Even at large current density 100 A g−1…
For efficient photoresponses of liquid-crystal (LC) azobenzene (Az) polymer systems, planar LC orientation of the Az mesogenic group is required because the light irradiation process usually occurs with normal incidence to the film surface. However, LC molecules with a rodlike shape tend to orient perpendicularly to t…
The effect of alkaline‐earth ions on Na transport in aluminosilicate glasses was studied by measuring ionic conductivity for a systematic compositional series of Na 2 O – RO – Al 2 O 3 – SiO 2 glasses (R=Mg, Ca, Sr, Ba). The Na transport in aluminosilicate glass could be affected by compositional changes in aluminum c…
Monolayer graphene oxide quantum dots (GOQDs) were obtained by oxidative cutting. The magnetic properties of GOQDs were studied. The results show that most of GOQDs are nonmagnetic, and only few of GOQDs are weakly paramagnetic. The ratio of magnetic GOQDs with the average diameter of 4.13, 3.3, and 1.67 nm is 1/14, 1…
Metasurfaces can achieve nearly arbitrary wavefront control based on manipulation of the wave phase profile. We propose a metasurface based on double graphene cut-wire resonators which can cover the complete 2π phase region with high reflection efficiency. This full phase coverage is essential for efficient wavefront…
This paper focuses on the space charge behavior in oil-paper insulation systems used in power transformers. It begins with the importance of understanding the space charge behavior in oil-paper insulation systems, followed by the introduction of the pulsed electrostatic technique (PEA). After that, the research progre…
ABSTRACT Guar gum (GG) was incorporated into soy protein isolate (SPI) films using a blending solution casting method to form SPI/GG composite films. The effects of SPI and GG contents on the transparency, water susceptibility, mechanical, and gas‐barrier properties of SPI/GG composite films were analyzed. The results…
The epoxy polymers are characterized by low thermal stability and high flammability. Nanoparticles are considered to be effective fillers of polymer composites for improving their thermal and functional properties. In this work, the epoxy composites were prepared using epoxy resin ED-20, polyethylene polyamine as a ha…
ABSTRACT Three different discharge types, based on the principle of a dielectric barrier discharge at atmospheric pressure, were investigated with regard to their influence on the adhesion properties of a series of wood–polymer composites. Wood flour (Picea abies L.) filled polypropylene and various proportions of pol…
Social relationships between staff and youth are often regarded as one of the most important mediums to achieving positive youth development (PYD) program aims (McDavid & McDonough, 2019). Despite the promising impacts of staff and youth relationships within sport-based PYD settings, little research has explored how s…
ABSTRACT Poly(l‐lactic acid) (PLLA) was blended with poly(propylene carbonate) (PPC) with various compositions by a melt‐blending process to evaluate their general properties for a potential flexible packaging field. The mechanical properties, including the tensile strength and modulus, revealed a tendency to decrease…
A multiscale model of field emission (FE) from carbon nanotube fibers (CNFs) is developed, which takes into account Joule heating within the fiber and radiative cooling and the Nottingham effect at the tip of the individual carbon nanotubes (CNTs) in the array located at the fiber tip. The model predicts the fraction…
Differential scanning calorimetry (DSC) data are increasingly used to substantiate product claims of hair repair. Decreasing peak temperatures may indicate structural changes and chemical damage. Increasing the DSC, wet peak temperature is, therefore, often considered as proof of hair repair. A detailed understanding…