Materials Literature
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Mesoscopically ordered mesoporous silica materials have attracted a wide interest since their discovery in the early 1990’s due to their diverse potential applications areas; including catalysis, filtration and chromatography. Supramolecular surfactant aggregates are used as structure directing agents for inorganics d…
Photoconductance (PC) lifetime measurements are used widely within the photovoltaic industry but rarely are the results reported with any uncertainty. While nontrivial to determine, a knowledge of the experimental uncertainty is necessary to distinguish significant from insignificant differences between samples. This…
The rare-earth Anderson-type polyoxometalate [Tm2(H2O)14CrMo6O24H6][CrMo6O24H6]·16H2O undergoes a temperature-dependent single-crystal-to-single-crystal (SCSC) phase transformation.
Magnesium and its alloys are potential candidates for bioabsorbable stents. The degradation rate of an indwelled magnesium stent is expected to be controlled under a blood flow. The influence of the controlled flow on the polarization and impedance behavior of pure Mg was thus investigated in a 0.6 mass% NaCl solution…
, , and phosphors were prepared through a Pechini-type sol-gel process. X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), photoluminescence, and cathodoluminescence spectra were utilized to characterize the synthesized phosphors. The XRD results reveal that the sample begins to crystallize…
UHF methods for locating partial discharges (PD) in power transformers are under development and are increasingly being applied in the field. Due to the complexity and variation of internal structures in power transformers, a useful starting point is to assess the accuracy of PD location in a simple environment. There…
In this study, nanocomposites with binary elements of poly (ethylene-co-ethyl acrylate)/carbon nanotube (EEA/CNT) were prepared so that their thermal and electrical characteristics and morphology, not reported in any literature, could be measured. For the thermal characteristics, their thermal degradation and activati…
Two heteropoly acids, phosphotungstic acid (PWA) and silicotungstic acid (SiWA), were studied as aqueous electrolytes for applications on electrochemical storage devices. Their performance was compared to the benchmark with respect to both double-layer and pseudocapacitance using cyclic voltammetry, electrochemical im…
ZnO nanoparticles were synthesized by adding solid Zn(c-C6H11)2 to a THF solution of the lithium (sodium) precursor and octylamine (OA) as stabilizer. The proportion of Li (Na) was varied from 1 to 10 mol% compared to Zn. Two different lithium precursors namely Li[N(CH3)2] (series 1) and Li[N(Si(CH3)3)2] (series 2) an…
-like thin films were deposited at low temperatures by atmospheric-pressure plasma-enhanced chemical vapor deposition using a pin-to-plate-type dielectric barrier discharge with a gas mixture containing hexamethyldisilazane . The deposition rate increased with increasing concentration of HMDS in the gas mixture. Howev…
A novel octanuclear hydroxonickel(II) complex possessing a unprecedented cube molecular structure with eight Ni(II) ions at each vertex, six micro4-OH- groups closing each face and twelve exo-bidentate pyrazolate ligands (micro2-pz) spanning each edge, has been synthesized and its magnetic properties investigated.
Физические комплексные проблемы старения, охрупчивания и разрушения металлических материалов водородной энергетики и магистральных газопроводов, Нечаев Ю.С.
Via a facile, one-pot solvothermal synthesis, highly uniform FePt/Fe3O4 core-shell nanoparticles are successfully developed, which further demonstrates their superiority in the MR imaging of living cells.
Hollow platinum nanospheres that are porous and have uniform shell thickness are prepared by templating platinum growth on polystyrene beads with an adsorbed porphyrin photocatalyst irradiated by visible light.
The mechanism of single-walled carbon nanotubes (SWCNTs) aligning in the direction of external electric field is studied by quantum mechanics calculations. The rotational torque on the carbon nanotubes is proportional to the difference between the longitudinal and transverse polarizabilities and varies with the angle…
Two-dimensional (2-D) density-modulated structures are studied in liquid crystals made of asymmetric bent-core molecules. There are two types of interactions among the molecules proposed, which lead to density modulations. The first type is due to the in-layer interactions and it is specific for bent-core molecules; t…
We synthesized several novel low-melting ionic salts with donor-acceptor substituents and investigated their possible applications as second-order nonlinear optical materials.
This manuscript describes a simple, environmentally friendly strategy for the rapid and large-scale growth of ultralong nanowires and nanoribbons of wurtzite CdTe. The nanowires and nanoribbons were prepared through the direct hydrothermal treatment of CdTe nanoparticles precoated on ⟨100⟩ Czochralski silicon, which d…
The influence of added polynucleotide on the gelation ability of nucleobase-appended organogelators was investigated. Uracil-appended cholesterol gelator formed a stable organogel in polar organic solvents such as n-butanol. It was found that the addition of the complementary polyadenylic acid (poly(A)) not only stabi…
The aim of this study is to demonstrate a new tumor thermal ablation therapy, which might lead to a highly economic, safe and efficient heating of target tissues. The alkali metals, usually seen as hazard mediums in daily life, were proposed for the first time as perfect self-heating seeds which can significantly rais…