Materials Literature
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The paper considers the issues of industrial production of doped lithium ferrite powders by radiation-thermal method. A technological scheme of the processing line is suggested. The radiation-thermal technological scheme enables production of powders with technical characteristics close to the required ones under rela…
Agave Americana (agave) and Agave sisalana (sisal) fibres belong to the same family of natural fibres. Both the fibres were treated with alkali. Interestingly, alkali-treated agave fibres displayed a clean and smooth surface, whereas alkali-treated sisal fibres showed a rough surface due to the rupture of alkali-sensi…
We present a new numerical methodology to build a Representative Volume Element (RVE) of a wide range of 3D woven composites in order to determine the mechanical behavior of the fabric unit cell by a mesoscopic approach based on a 3D finite element analysis. Emphasis is put on the numerous difficulties of creating a m…
Metal ion release, caused by synergistic effect of wear and corrosion, is one of the major concerns related to the prostheses lifetime. In this work, samples of additive manufactured Ti6Al4V are machined under dry cutting and cryogenic cooling conditions and their performances in terms of corrosion and fretting corros…
The development of smart materials for environmental applications is a highly innovative and promising new approach to meet the increasing demands from society on water resources and pollution remediation. Smart materials with surfaces that can reversibly respond to stimuli from internal and external environments by c…
We present the ground state and energetically low structures of BenH2n nanoclusters as predicted using density functional theory (DFT) and employing the M06 meta-hybrid exchange-correlation functional. Results using the M06 functional are benchmarked against high accuracy coupled-cluster CCSD(T) and found to be in exc…
Abstract A new and effective synthetic route for the high‐yielding preparation of hexacyanometalates(III) (M = Ru, Os), which are valuable precursors of single‐molecule and single‐chain magnets, was investigated. A preparation procedure consisting in the heterogeneous oxidation of diamagnetic progenitors, K4[M(CN)6],…
Microcrystals of lysozyme (5–10 µm) suspended in an ultraviolet-light-curable resin were aligned three dimensionally under a non-uniformly rotating magnetic field, and then the resin was consolidated by photopolymerization to obtain a composite in which microcrystals were three-dimensionally aligned. The obtained comp…
A closed bipolar electrode (BPE) system was developed with electrochromic poly(3-methylthiophene) (PMT) films electropolymerized on the ITO/rGO electrode as one pole of BPE in the reporting reservoir and the bare ITO electrode as another pole of BPE in the analyte reservoir, in which rGO represents reduced graphene ox…
The novel discovery of a current-induced transition from insulator to metal in the crystalline phase of Ge2Sb2Te5 and GeSb4Te7 have been studied by means of a model using line-patterned samples. The resistivity of cubic phase Ge-Sb-Te compound was reduced by an electrical current (~1 MA/cm(2)), and the final resistivi…
Understanding temperature and magnetic-field actuated magnetization polarity reversal in the Prussian blue analogue Cu0.73Mn0.77[Fe(CN)6].zH2O, using XMCD, Lahiri, Debdutta, Choi, Yongseong, Yusuf, S M, Kumar, Amit, Ramanan, Nitya, Chattopadhyay, Soma, Haskel, Daniel, Sharma, Surinder M
Abstract We demonstrate a high-efficiency and fast-switching phase grating based upon a polymer-stabilized liquid crystal device driven by in-plane switching electric field. Periodical modulation in field-induced refractive index profile is realized in the in-plane switching liquid crystal (LC) cells with vertical ali…
Multimaterials assemblies and, in particular, assemblies made of lightweight components are of utmost relevance in many technical applications. These assemblies include multimetal, metal-polymer, metal-adhesive, and metal-composites combinations, among others. Presently, the transportation sector is looking for lighte…
5,10-Bistrifluoromethyl substituted β-octamethylporphyrins were synthesized via a scrambling side reaction of a dipyrromethane precursor in the presence of a large excess of trifluoroacetic acid. Compared with the trans-analogs, the cis-analogs of meso-trifluoromethyl β-octaalkylporphyrin showed more red-shifted absor…
Direct synthesis of vertically aligned metallic single-walled carbon nanotubes (m-SWCNT forests) is a difficult challenge. We have successfully synthesized m-SWCNT forests using faceted iron platinum-gold catalysts epitaxially grown on a single crystalline magnesium oxide substrate. The metallic content of the forests…
Carbon nanotubes (CNTs), a rather fascinating material, are among the pillars of nanotechnology. CNTs exhibit unique electrical, mechanical, adsorption, and thermal properties with high aspect ratio, exceptional stiffness, excellent strength, and low density, which can be exploited in the manufacturing of revolutionar…
The antimicrobial activity of films made of poly(l-lactic acid)/poly(l-lactic acid) grafted maleic anhydride(copolymer)/epigallocatechin gallate(EGCG) blend was determined. The effect of epigallocatechin gallate incorporation (0.03, 0.5, 5, and 10 wt%) as a natural antibacterial was determined by direct contact, solid…
The addition of poly (ethylene glycol) diglycidyl ether (PEDGE) as surface modifier and type of conductive fillers into poly (vinyl chloride) (PVC)/poly (ethylene oxide) (PEO) blends was studied. PVC/PEO blends conductive films with 15 wt% of carbon black (CB), poly (aniline) (PAni), and poly (pyrrole) (PPy) were prep…
Abstract The dc voltage generated under ferromagnetic resonance has been studied in bilayer structures based on manganite thin epitaxial films La 0.67 Sr 0.33 MnO 3 (LSMO) and non-magnetic metals (Au, Pt, and SrRuO 3 ) in the temperature range up to the Curie point. The effect is shown to be caused by two different ph…
Functional artificial vascular meshes from biodegradable polymers have been widely explored for certain tissue engineered meshes. Still, the foreign body reaction and limitation in endothelialization are challenges for such devices. Here, degradable meshes from phase-segregated multiblock copolymers consisting of poly…