Materials Literature
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In this paper, the electrical characteristics and reliability of ZrO2-based metal–insulator–metal (MIM) capacitors are investigated. High capacitance density of 15.3 fF/µm2 was achieved for ZrO2 MIM capacitors, which is acceptable for the reported MIM capacitors. Schottky emission at the low field region is not a domi…
Large and ultraviolet (UV) transparent YAl3(BO3)4 (YAB) crystals were grown by a high temperature top seeding method with Li2B4O7–AlBO3 as the flux. The UV cutoff wavelength of the YAB crystal was shorter than 190 nm. The refractive indices of the YAB at several wavelengths covering UV–visible and near infrared wavele…
Fault occurrence in electrical machines is avoidable but, quick fault detection can increase system reliability. According to studies of electrical power research institute (EPRI), most of the occurred faults in electrical motors are created in bushes (41%) and winding (37%). According to high probability of winding f…
AIM: The objective of the present study is to prepare and characterize nutlin-3a loaded polymeric poly(lactide-co-glycolide) nanoparticles (NPs) surface functionalized with transferrin ligand, to deliver the encapsulated drug in a targeted manner to its site of action and to evaluate the efficacy of the nanoformulatio…
Liming increases crop production through improved soil conditions in acidic soils. Among the effects of liming, increased availabilities of alkaline and alkaline-earth cations are worth mention. These availabilities may be affected by the particle size of applied limestone, which influences lime reactivity. The effect…
Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter Facebook Reddit LinkedIn Tools Icon Tools Reprints and Permissions Cite Icon Cite Search Site Citation Erol Girt, W. Huttema, O. N. Mryasov, E. Montoya, B. Kardasz, C. Eyrich, B. Heinrich, A. Yu. Dobi…
Two behavioral models of memcapacitor are developed and implemented in SPICE-compatible simulators. Both models are related to the charge-controlled memcapacitor, the capacitance of which is controlled by the amount of electric charge conveyed through it. The first model starts from the state description of memcapacit…
We present a detailed analysis of a recently-developed empirical potential to describe silicon under conditions of strong electronic excitation. The parameters of the potential are given as smooth functions of the electronic temperature Te, with the dependence determined by fitting to finite-temperature density-functi…
By lattice sum minimization, we predict the ground state of particles interacting via a Yukawa potential which are confined in a quasi–one-dimensional cylindrical tube. As a function of screening strength and particle density, the zero-temperature phase diagram exhibits a cascade of stable crystals with both helical a…
We tested dissolution and regeneration of poplar wood using 1-butyl-3-methylimidazolium chloride ([C4mim]Cl) and 1-butyl-3-methylimidazolium acetate ([C4mim]OAc). When 5wt% of poplar sawdust in [C4mim]OAc was stirred at 130°C, 96wt% of added poplar was dissolved in [C4mim]OAc, whereas 25.3wt% of poplar dissolved in [C…
A região Sul de Minas Gerais apresenta grandes áreas comprometidas por erosões do tipo voçoroca, e a avaliação dos atributos do solo nesses ambientes é de extrema importância, pela sua sensibilidade às alterações na qualidade do solo. Os objetivos deste estudo foram avaliar os atributos físicos, químicos e biológicos…
The effect of anodic inhibitors [calcium nitrate Ca(NO3)2, calcium nitrite Ca(NO2)2 and potassium nitrate NaNO2] has been evaluated using cylinders with steel rebars exposed to the following environments: in the marine tidal zone, at roof top and in air of 38°C and 90% relative humidity for 4 years. The experiments sh…
Abstract Graphitised carbon nanofibres (G‐CNFs) show superior thermal stability and corrosion resistance in PEM fuel cell environment over traditional carbon black (CB) and carbon nanotube catalyst supports. However, G‐CNFs have an inert surface with only very limited amount of surface defects for the anchorage of Pt…
Gold nanoparticles (GNPs) are widely used in chemical sensing, drug delivery, biomedical imaging, and photothermal therapy due to their strong and size-tunable surface plasmon resonance, fluorescence, and easy-surface functionalization. In this study, we investigated the effects of water-dispersed GNPs on the cytotoxi…
The separation of a shock wave into an elastic precursor and a plastic wave is a characteristic phenomenon occurring only in solid media. The existence of the elastic shock wave at pressures p ≈ 10 GPa, which is one or two orders of magnitude higher than the dynamic elastic limit, has been detected in recent numerical…
The decomposition of carbon fiber reinforced plastics (CFRP) was carried out to recover phenolic monomers and carbon fiber (CF) using subcritical water. The total yield of phenolic monomers reached 70.9% at 673K, 20MPa, 45min and 2.5wt% potassium carbonate catalyst. The tensile strength of the recovered CF was about 1…
Single -crystal growth of Tm 3+ -doped Y 2 O 3, Sc 2 O 3, and Lu 2 O 3 sesquioxides, with a melting point around 2400 °C, by the micropulling down technique is reported. Crystal quality and composition of the crystals were evaluated by rocking curve and energy-dispersive X-ray (EDX) analyses, respectively. Optical pro…
The present study elucidates the development of the talc-based formulation for long-term sustenance / storage of bacterial consortia, pertains to degrade polymer (LDPE and PVC). Four potential bacterial consortia were employed which consisted of Microbacterium sp., Pseudomonas putida, P. aeruginosa, P. otitidis, Bacte…
The main concerns associated with the establishment of a self-consistent model for N 2 discharges and post-discharges at low pressures (typically p ∼ 1 Torr), as well as in mixtures of this gas with O 2 and CH 4 are analysed and discussed. The focus is given on the coupling of the various kinetics involved: electrons,…
The paper discusses progress that has been made over the past sixty years in increasing the service life of centrifugally cast, creepresistant tubes operating in reformer furnaces. Attention was mainly focused on the principles of selection of the chemical composition of castings to improve their creep behaviour. The…