Materials Literature
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This paper presents magnetic properties of manganese substituted barium hexaferrite BaFe12-xMnxO19 single crystals. Crystals of BaFe12–xMnxO19 with x up to 1.5 and sizes up to 8 mm were observed. The influence of Fe substitution by Mn on the magnetic properties was investigated. For the BaFe10.5Mn1.5O19 single crystal…
The structure and electrochemical properties of La0.8–x Ce x Pr0.1Nd0.1B5 (B5 ≡ Ni3.8Co1.1Mn0.1; x = 0, 0.1, 0.2, 0.3) hydrogen storage alloys have been investigated. The results show that all alloys consist of CaCu5-type single phase. The maximum discharge capacity of the alloy electrodes decreases from 368.7 mA h g–…
Many studies have used a carbon nanotube (CNT) filter for pathogen removal and/or inactivation by means of electrochemical or electrochlorination. The large surface area, fine pore size and high electrical and thermal conductivity of CNTs make them suitable and distinct to use for the filtering and removal of pathogen…
We report structural, optical, and electro-optical properties of polycrystalline YFe2O4 thin films, deposited on (0001) sapphire substrates using the electron-beam deposition technique. The optical spectra of a 120 nm YFe2O4 show Fe d to d on-site and O 2p to Fe 3d, Y 4d, and Y 5s charge-transfer electronic excitation…
The new mineral species ciriottiite, ideally Cu(Cu,Ag)3Pb19(Sb,As)22(As2)S56 has been discovered in the Tavagnasco mining district, Piedmont, Italy, as very rare black metallic tubular crystals, up to 150 μm in length, associated with Bi sulfosalts and arsenopyrite. Its Vickers hardness (VHN10) is 203 kg/mm2 (range 19…
In article number 1500502, Y. F. Zhu and co-workers synthesize a separation-free polyaniline/TiO2 3D hydrogel by polymerizing conductive polymer monomer. The composite hydrogel efficiently removes organic contaminants due to the synergistic effect of adsorption-enrichment and subsequent in-situ photocatalytic degradat…
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 Takenori Kitazawa, Takeshi Yamao, Shu Hotta; Optical devices combining an organic semiconductor c…
In 1972, Alfred Brousseau, a founding editor of The Fibonacci Quarterly, published an entertaining account of how geometric tilings can be used to generate identities involving Fibonacci numbers. In this article, we explain how there is a hidden formula in each of his tilings, discoverable by consideration of the tili…
This paper processed and characterized cost-fewer polypropylene (PP) nanocomposite films; an experimental work has been investigated for studying the electric properties of the new nanocomposite materials and compared with unfilled industrial materials in a frequency range up to 1 kHz. A small addition of nanoparticle…
High refractive index subwavelength dielectric nanoresonators, which support both electric and magnetic optical resonances, are a promising platform for many nanophotonic applications. However, the resonant properties of the nanoresonators are highly sensitive to defect concentrations. Therefore, to maintain low defec…
Abstract In this study, irradiated UO2 is analyzed by atomistic simulation method to obtain diffusion coefficient of oxygen ions. For this purpose, a couple of molecular dynamics (MD) supercells containing Frenkel, Schottky, vacancy and interstitial types for both anion and cation defects is constructed individually.…
We studied the effects of reductive annealing on insulating polycrystalline thin films of anatase Nb-doped TiO 2 (TNO). The insulating TNO films were intentionally fabricated by annealing conductive TNO films in oxygen ambient at 400 °C. Reduced free carrier absorption in the insulating TNO films indicated carrier com…
Quantum dots excite interest primarily as luminescent material. Quantum dots of cadmium sulfide created by colloidal synthesis (CQDs) were investigated. CQDs such composition allow varying emission peak easily in wide range by changing nanoparticles sizes. Light-emitting structures based on CQD's of cadmium chalcogeni…
The complexation between the lanthanide metal ions Ce(III), Gd(III), Nd(III), Tb(III), and Er(III) and gliclazide produced 1 : 1 molar ratio metal: gliclazide (Glz) complexes coordinated in a monodentate fashion via the OH group and having the general formulas [M(Glz)Cl 3 (H 2 O)]· x H 2 O (M = Ce, Gd, Nd and x = 1, 3…
Lead−barium fluoroborate glasses in the PbF 2 –BaF 2 –B 2 O 3 , PbF 2 –BaO–B 2 O 3 , and PbO – BaF 2 –B 2 O 3 systems doped with rare-earth ions (Nd 3+ or Er 3+ ) are synthesized and studied. It is shown that, based on these glasses, it is possible to produce transparent glass ceramics with fluoride crystalline phases…
Rubber blends based on ethylene-propylene (EPM), acrylonitrile-butadiene (NBR) and silicone (MVQ) rubbers containing 60 phr micro-sized iron oxide Fe3O4 were prepared. The effect of the addition of an ionic liquid selected from the group of alkylammonium salts on the rheometric properties, crosslinking density and mec…
Super-hydrophobic surfaces having contact angles > 150° for water are of great interest due to their potential use in a wide variety of applications. Although many reports on the wettability of different surfaces have been published, few or no studies have been done on the formation of a super-hydrophobic surface on a…
The oxidation process induced in ethylene-propylene-diene (EPDM) copolymer by gamma irradiation was simulated by solving equations on chemical reactions and gas diffusion rates. As a result, distributions of oxidative products and gases and changes in material properties were clarified. All the oxidative products such…
A combined effect of laser treatment and introduced fine-grained weakly magnetic impurity Mg–P–B defects on the magnetic structure and physical properties of anisotropic electrotechnical materials has been investigated. Specific features of changes in the type and behavior of the magnetic domain structure under differ…
Summary Polylactic acid (PLA) is a 100 % bio‐based polyester with strong market growth potential in commodity applications as a substitute of fossil‐based polymers such as PET, PE and PS. The successful commercialization of this material relies on the possibility to devolatilize efficiently the unreacted monomer, whic…