Materials Literature
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By measuring the spin polarization of secondary electrons and the intensity of backscattered electrons generated in a scanning electron microscope, we are able to simultaneously image the ferromagnetic domain structure of a ferromagnetic thin film and the ferroelectric domain structure of the underlying ferroelectric…
Abstract In this paper we provide evidence that the Cassie-to-Wenzel transition, despite its detrimental effects on the wetting properties of superhydrophobic surfaces, can be exploited as an effective micro-fabrication strategy to obtain highly ordered arrays of biological objects. To this purpose we fabricated a pat…
Показана перспективность создания материалов нового поколения для изготовления конструкций на их основе для авиационной техники, способных работать в окислительных средах при высоких температурах. Рассмотрены основные направления создания новых высокотемпературных композиционных материалов со сверхвысокотемпературной…
This paper highlights our work on the recent progress in novel elastico-mechanoluminescence (EML) materials CaZnOS : Mn 2+ and CaZr ( PO 4 ) 2 : Eu 2+ , which can simultaneously "feel" (sense) and "see" (image) the applied mechanical stress as an intense and proportional luminescence. CaZnOS : Mn 2+ can sense various…
Therapeutic engineered nanoparticles (NPs), including ultrasmall superparamagnetic iron oxide (USPIO) NPs, may accumulate in the lower digestive tract following ingestion or injection. In order to evaluate the reaction of human colon cells to USPIO NPs, the effects of non-stabilized USPIO NPs (NS-USPIO NPs), oleic-aci…
Currently used small molecular magnetic resonance (MR) imaging contrast agents (CAs) in clinics have relatively short half-lives, which has limited the acquisition of high-resolution organ and angiographic images. Therefore, development of a facile strategy for the synthesis of long-circulating CAs with the transformi…
3D-architectured graphene is an emerging electrode material because of its ultra-low mass density and hierarchically connective pore-structure, which can provide a large accessible surface area and also enhance mass and electron transport. However, few reports are concerned with the fundamental electrochemical study o…
This paper presents the study of the tensile, compressive, flexural, impact energy and water absorption characteristics of the luffa fiber reinforced expoxy polymer composites. Luffa fiber reinforced epoxy resin matrix composites have been developed by hand lay-up technique with varying process parameters such as fibe…
Time-dependent dielectric breakdown (TDDB) is one of the most important reliability issues in Cu/low-k technology development. With continuous technology scalings to nanometer scales, TDDB issue is further exacerbated. In this paper, two failure mechanisms were investigated: the Ta ions migration model and the line-ed…
The method of molecular dynamics has been used to study the bombardment of a copper film on graphene by Ar 13 clusters with a kinetic energy of 20 eV and incident angles θ = 75°, 60° and 45°. The complete removal of copper from the graphene sheet was achieved only at the angle θ= 45°. In this case, the horizontal and…
BACKGROUND: Nanoparticles have become one of the leading technologies over the past two years. The extensive use of nanoparticles has raised great concern about their occupational fate and biological effects. With an increase in the production and use of nanomaterial, it is more likely to get exposed to them occupatio…
Self-assembly of hierarchical graphene oxide (GO)-based nanomaterials with novel functions has received a great deal of attentions. In this study, nanostructured organogels based on cationic amphiphile-GO composites were prepared. The gelation behaviors of amphiphile-GO composites in organic solvents can be regulated…
Highly monodisperse colloidal Au nanorings (Au NRs) were synthesized via galvanic replacement reaction of 1D chain assembly of Co nanoparticles (Co NPs) in HAuCl 4 . The Au NRs exhibited tunable localized surface plasmon resonance (LSPR) wavelengths ranging from 651 to 760 nm as the aspect ratio increased from 3.8 ± 0…
The structural characteristics and properties of three new carbon phases (LA9, LA10, CA12), which have a diamond-like structure and atoms located in crystallographically equivalent positions, are described. The model mechanism of LA9 and LA10 formation is the linking of L 6 and L 4–8 graphene layers, respectively, and…
Plant-derived natural products are being used in medicine, and they are easily available for the production and use in tissue engineering based biological applications. Utilization of plant materials to treat human diseases is a common practice followed over many decades. In fact plant and its derivatives have been ac…
The results of the structural and magnetic studies of the epitaxial structure prepared during the simultaneous evaporation from two iron and silicon sources on an atomically pure Si(111)7 × 7 surface at a substrate temperature of 150°C have been presented. The epitaxial structure has been identified as a single-crysta…
Data on the reactions and processes occurring under the conditions of the alkaline activation of carbon substances—the production of activated carbons by the thermolysis of carbon substances in the presence of alkali metal hydroxides MOH—are summarized. The following most important activation processes were recognized…
The inhibition effect of sinapis alba (SA) extract on the corrosion of aluminum in 1.0 M sodium hydroxide (NaOH) was investigated using weight-loss measurements, and electrochemical polarization methods; also, surface morphology was analyzed by scanning electron microscopy (SEM) technique. The results show that sinapi…
Single-crystal torque magnetometry performed on weakly-coupled polynuclear systems provides access to a complete description of single-site anisotropy tensors. Variable-temperature, variable-field torque magnetometry was used to investigate triiron(III) complex [Fe3La(tea)2(dpm)6] (Fe3La), a lanthanum(III)-centred var…
Abstract Catalytic property of Pd/Fe 2 O 3 catalysts on carbon monoxide (CO) oxidation at low temperature were investigated in this paper. Both the as-prepared and H 2 -pretreated Pd/Fe 2 O 3 catalysts show catalytic performances on CO oxidation. The CO was completely converted at 333 K for the as-prepared sample, whe…