Materials Literature
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Far-infrared functional nanocomposites were prepared by the co-precipitation method using natural tourmaline [Formula: see text], where [Formula: see text] is [Formula: see text], [Formula: see text], [Formula: see text], or vacancy; [Formula: see text] is [Formula: see text], [Formula: see text], [Formula: see text],…
This paper describes a study of the hydration of belite-ye’elimite ferrite (BYF) cements, made from clinkers comprising principally belite (C2S), with ye’elimite (C4A3$) and ferrite (C4AF) as the two main secondary phases, and inter-ground with calcium sulfates. The clinkers used in this study also contained some boro…
This paper presents an optimization of the current-voltage characteristic of Ballistic Deflection Transistors. The implementation of an adequate surface charge model in a Monte Carlo tool shows a very good agreement with the available experimental data and allows us to predict the influence of different parameters, li…
The pH dependence (1-7) of Am(III) complexation with lactate in aqueous solution is studied using extended X-ray absorption fine-structure (EXAFS) spectroscopy. Structural data (coordination numbers, Am--O and Am--C distances) of the formed Am(III)-lactate species are determined from the raw k(3)-weighted Am LIII-edge…
Data, which finding during thermal differential analysis of sampled irradiated graphite are presented. Results of computational modeling of Winger energy release process from irradiated graphite staking are demonstrated. It's shown, that spontaneous combustion of graphite possible only in adiabatic case.
Phase matching is known to enhance the nonlinear optical response in materials with a non-centrosymmetric crystallographic or electronic structure. In contrast, phase-matched frequency doubling driven by non-centrosymmetric magnetism that induces acentricity in otherwise centrosymmetric structures has not been reporte…
With the discovery of RNA interference technology, small-interfering RNA (siRNA) has emerged as new powerful tool for gene therapy because of its high targeting specificity and selectivity. However, one of the limitations to successful gene therapy is the inability to monitor delivery of genes and therapeutic response…
Achieving efficient lasing glass materials with enhanced absorption and emission cross-section by reducing the Rare Earth (RE) concentration quenching is a challenging issue. Metal nanoparticles (NPs) together with RE ions in the glass matrix are thought as a suitable alternative to overcome the limitations of concent…
Abstract Cavity perturbation method was used to determine the dielectric properties ( ε′ , ε ″, and tan δ ) of zinc oxide dust. The process of dechlorination from zinc oxide dust by microwave roasting was evaluated considering the effect of different roasting temperatures and holding times. The research results showed…
Abstract A series of natural composite hydrogels containing a “3-in-1” type triple adsorbent system are designed. For this purpose, Spirulina (Sp) biosorbent is immobilized on/in halloysite nanotubes in different loadings and then physically crosslinked chitosan composite hydrogels are prepared. The water absorbency a…
Hitherto, phospho-rus oxonitride (PON) could not be obtained in the form of single crystals and only powder diffraction experiments were feasible for structure studies. In the present work we have synthesized two polymorphs of phospho-rus oxonitride, cristobalite-type (cri-PON) and coesite-type (coe-PON), in the form…
Properties of select “simple” “ideal” Perovskite materials: AgNbO3; AgTaO3; KNbO3; KTaO3; NaNbO3; BaTiO3; CaTiO3; EuTiO3; PbTiO3; SrTiO3; CeAlO3; and, LaAlO3; have been used to determine temperature and coordination dependent polarizability of: (i) 12-fold coordinated A-site ions, where A is Ag1+, Na1+, K1+, Ba2+, Ca2…
Abstract Due to continued concern about effects of tetraethyl lead (TEL) emission on the environment and human health, the complete removal of TEL from aviation gasoline (avgas) is a desirable pursuit. In order to maintain high antiknock performance of avgas, an advanced adsorption method was developed using 5A zeolit…
In this paper, the size-dependent changes in energetic, vibrational, and electronic properties of C-O gas molecule interacting with surface Pd atom of a variety of AuPd nanoalloy structures are investigated by means of first principles calculations. The variation in C-O adsorption energies, C-O vibration frequencies (…
The purpose of this study is to develop a feedback reactivity measurement technique in the Japanese prototype fast breeder reactor Monju and to validate calculation methodology to forecast the nuclear feedback phenomena. A feedback reactivity measurement technique has been developed based on a reactivity model featuri…
The main focus of this paper is to introduce, in a thermodynamically consistent manner, an anisotropic interface energy into a phase field theory for phase transformations. Here we use a small strain formulation for simplicity, but we retain some geometric nonlinearities, which are necessary for introducing correct in…
Two novel cocrystals of the N(7)-H tautomeric form of N(6)-benzoyladenine (BA), namely N(6)-benzoyladenine-3-hydroxypyridinium-2-carboxylate (3HPA) (1/1), C12H9N5O·C6H5NO3, (I), and N(6)-benzoyladenine-DL-tartaric acid (TA) (1/1), C12H9N5O·C4H6O6, (II), are reported. In both cocrystals, the N(6)-benzoyladenine molecul…
The coupled dynamics of two conjugated liquid layers of disparate thicknesses, which coat a solid substrate and are subjected to a transverse temperature gradient, is investigated. The upper liquid layer evolves under the short-wavelength Bénard–Marangoni instability, whereas the lower, much thinner film undergoes a s…
The current commercial use of electron accelerators grows in research, industry, medical diagnosis and treatment. Due to this fact, the creation of a model describing the electron beam profile and shape is an actual task. The model of the TPU microtron extracted electron beam created in the program "Computer Laborator…
Er[Formula: see text]/Yb[Formula: see text] co-doped Y2O3 transparent ceramics were fabricated by vacuum sintering method. The Y2O3: Er[Formula: see text]:Yb[Formula: see text] nonopowders were prepared by co-precipitation method in advance. The morphology of powders and ceramics as investigated. The powders exhibited…