Materials Literature
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Partial discharge (PD) measurements have emerged as a powerful diagnostic tool for condition monitoring of insulation in high voltage equipments. Study of PD patterns reveals the nature and severity of the defects present in the insulation. Nowadays online and onsite PD measurements are preferred to keep the equipment…
Metal complexes formed by the reactions keto and enol forms of isobutryl acetic acid hydrazide[IBAH] , 4-amino benzoic acid hydrazide[4-ABAH] and 4-cyano benzoic acid hydrazide[4-CBAH] with nickel(II) and copper(II) sulphate ions were prepared and characterized by elemental analysis, conductance measurements, i.r., an…
Generic glass formers exhibit at least two characteristic changes in their relaxation behavior, first to an Arrhenius-type relaxation at some characteristic temperature and then at a lower characteristic temperature to a super-Arrhenius (fragile) behavior. We address these transitions by studying the statistics of fre…
We report on the single-crystal-to-single-crystal transformation occurring over time in a layered organic molecular conductor based on BEDT-TTF. The process is connected with removal of solvent molecules from the complex anion layer resulting in concomitant partial irreversible conversion of the δ-(BEDT-TTF)4[OsNOCl5]…
A Typic Palexerult from northern Spain was subjected to acidity correction field tests over a period of 2 years. The experimental crop was a local rye variety and the amendments included gypsum, dolomite, limestone, and sugar foam waste, all at a 6000 kg ha–1 rate as calcium carbonate (CaCO3). General analyses were in…
2-(3-Silatranylpropylamino)-4-(2,4-dichlorophenyl)-5,5-dimethyl-1,3,2-dioxa phosphinane-2-sulfide 4 was synthesized by a nucleophilic substitution reaction of 2-chloro-1,3,2-dioxaphosphinane-2-sulfide 2 with γ-aminopropylsilatrane 3, which was prepared by the cyclization reaction of triethanolamine and γ-aminopropyltr…
We performed a theoretical analysis of the systems formed by Pb/PbS with one or two molecule(s) of triethanolamine as a complexing agent. Conformational analysis, geometry optimizations and frequency calculations at the MP2/LANL2DZ level of theory were performed to check the isomer stabilities.
In this paper the open cylindrical gyroelectric phase shifters characteristics are investigated. The investigation is performed by changing their parameters: the magnetic flux density, the number of layers of dielectric, width and permittivities. The highest differential phase shift in n-InAs semiconductor and semicon…
Abstract Ligand binding sites in proteins are often localized to deeply buried cavities, inaccessible to bulk solvent. Yet, in many cases binding of cognate ligands occurs rapidly. An intriguing system is presented by the L99A cavity mutant of T4 Lysozyme (L99A T4L) that rapidly binds benzene (~106 M−1 s−1). Although…
Abstract The presented model to predict the elastic modulus of a polymer/ellipsoidal filler/oblate platelet system is based on Eshelby's equivalent inclusion method and Mori‐Tanaka's back‐stress analysis. We considered wood flour and intercalated clay particles in three‐phase polymer nanocomposites as ellipsoidal and…
Infrared reflection and transmission as a function of temperature have been measured on single crystals of Cu$_{3}$Bi(SeO$_{3}$)$_{2}$O$_{2}$Cl. The complex dielectric function and optical properties along all three principal axes of the orthorhombic cell were obtained via Kramers-Kronig analysis and by fits to a Drud…
The Strategy on Radioactive Waste Management of Lithuania (Radioaktyviųjų… 2008) envisages evaluating the possibilities of disposal of spent nuclear fuel and long-lived radioactive waste from operation and decommissioning of Ignalina NPP in a deep geological repository. The crystalline basement and sedimentary cover o…
Silicon carbonitride thin films of 480 to 730-nm thicknesses were grown on silicon substrate using ammonia and hexamethyldisilazane gas sources using catalytic chemical vapor deposition process. Compositions of silicon, carbon and nitrogen in the SiCN films were varied by changing the flow rate of ammonia gas. The eff…
We explore correlations of inhomogeneous local density of states (LDoS) for impure superconductors with different symmetries of the order parameter ($s$ wave and $d$ wave) and different types of scatterers (elastic and magnetic impurities). It turns out that the LDoS correlation function of superconductor always slowl…
In this letter, InGaN light-emitting diode (LED) structures fabricated with beveled sapphire substrates and embedded in cup-shaped copper sheets are presented. Using Trace-Pro simulation, the shaped sapphire with an optimum beveled angle of 75°was determined to enhance the light extraction of LEDs. The thermal dissipa…
The Keldysh nonequilibrium Green's function method is utilized to theoretically study spin-polarized transport through a graphene spin valve irradiated by a monochromatic laser field. It is found that the bias dependence of the differential conductance exhibits successive peaks corresponding to the resonant tunneling…
To characterize the C(60)/Au(111) interface, we send Au atoms "diving" through the C(60) layer and observe their behavior at the interface. Our observations show that the interfacial diffusion of gold atoms and the nucleation of small Au islands at the interface are strongly dependent on the local C(60)-Au(111) bondin…
Four 220 MWe pressurised heavy water reactors are under operation at Kaiga in the state of Karnataka in India. Environmental radiological survey of the surrounding areas of the Kaiga site is carried out by Bhabha Atomic Research Centre, Mumbai. The estimated dose to the members of the public due to ingestion of radioa…
In this article, the cyclic fatigue fracture behavior of two high-strength specialty steels denoted as Tenax 310 and 300 M, is presented and discussed. The two chosen specialty steels have noticeably improved properties to offer than most steels in this category and even other competing high-strength steels. The obser…
Biofilms, or surface-attached communities of cells encapsulated in an extracellular matrix, represent a common lifestyle for many bacteria. Within a biofilm, bacterial cells often exhibit altered physiology, including enhanced resistance to antibiotics and other environmental stresses 1. Additionally, biofilms can pla…