Materials Literature
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We investigate the effect on wave propagation of array packing and electromagnetic coupling between spheres in a three-dimensional (3D) lattice of microspheres with large permittivity that exhibit strong magnetic polarizability. We report on the complex wavenumber of Bloch waves in the lattice when each sphere is assu…
Fabrication process of optically transparent boron nanocrystalline diamond (B- NCD) electrode on silicon and quartz substrate was shown. The B-NCD films were deposited on the substrates using Microwave Plasma Assisted Chemical Vapor Deposition (MWPACVD) at glass substrate temperature of 475 °C. A homogenous, continuou…
In this report, the synthesis of a novel class of cationic quaternary ammonium-surface-functionalized silicon nanocrystals (ncSi) using a novel and highly versatile terminal alkyl halide-surface-functionalized ncSi synthon is described. The distinctive features of these cationic ncSi include colloidal stability, pH-in…
Abstract In this study, the hydrogen generation from the hydrolysis of NaBH 4 with Cr 0.0125 -Ni-W-B catalyst prepared in the presence of cold plasma was investigated based on Cr content, NaBH 4 concentration, NaOH concentration, temperature, plasma applying time and plasma gases effects. The results of the activity t…
In this study, poly(acrylonitrile–butadiene–styrene)/polypropylene (ABS/PP) blends with various compositions were prepared by melt intercalation in a twin‐screw extruder. Modifications of the above blends were performed by using organically modified montmorillonite (OMMT, Cloisite 30B) reinforcement as well as two typ…
For decades polyphenols have been considered to be sound, naturally occurring therapeutic compounds. While there are several polyphenols with special applications used in the treatment of cancer and other diseases, they need a specific carrier in order to reach the cells targeted for treatment. Recently, a number of n…
Abstract In this paper, we investigate the effect of isotopic modulation on the thermal conductivity of semiconductor nanostructures. The isotope doping is of particular interest for the application of semiconductors as thermoelectric materials as it leaves the electronic properties practically unaffected while the ph…
Different quartz types from several localities in the Czech Republic and Sweden were examined by polarizing microscopy combined with cathodoluminescence (CL) microscopy, spectroscopy, and petrographic image analysis, and tested by use of an accelerated mortar bar test (following ASTM C1260). The highest alkali-silica…
This study evaluated the effect of different pulping processes and SiC particles on physical and mechanical properties of pulp plastic composites (PPCs). Polypropylene (PP), SODA and NSSC pulp fibers (max. 40 and 50 wt.%), silicon carbide particles (0, 5, 10, 15 wt.%), and 5 wt.% maleic anhydride polypropylene (MAPP)…
Mesostructured manganese oxide (Mn3 O4 ) is prepared by a soft-templating method employing sodium dodecyl sulfate (SDS) as a structure-directing agent. By removing the template from the as-prepared mesostructured Mn3 O4 by extraction or calcination, we successfully synthesized highly crystallized mesoporous Mn3 O4 or…
Boron Nitride is a promising group 13–group 15 compound material that exhibits various interesting properties like wide band gap, chemical stability, attractive mechanical properties and other. The growth behavior of this material has not been investigated in sufficient details to tailor properties of the resulting fi…
The epitaxial NdNi1-xCoxO3 (0 ≤ x ≤ 0.10) thin films on (001) LaAlO3 and (001) SrTiO3 substrates were grown by a simple polymer-assisted deposition technique. The co-function of the epitaxial strain and Co doping on the metal-insulator transition in perovskite nickelate NdNiO3 thin films is investigated. X-ray diffrac…
Recent advances in controlled synthesis and characterization of single-layer graphene nanostructures with defects provide the basis for gaining an understanding of the complex nanomaterials by theoretical investigation. In this work, we modeled defective single-layer graphene (DSLG), where nanostructures with divacanc…
Surface samples from a full poloidal set of divertor tiles exposed in JET through operations 2010–2012 with ITER-like wall have been investigated using SEM, SIMS, ICP-AES analysis and micro beam nuclear reaction analysis ( μ -NRA). Deposition of Be and retention of D is microscopically inhomogeneous. With careful over…
Novel blends were prepared from biobased poly(trimethylene terephthalate) (PTT) and poly(butylene adipate-co-terephthalate) (PBAT) using a twin screw extrusion process as a function of different weight ratios. Thermal stability, mechanical, and interfacial properties of PTT/PBAT blends were investigated using a thermo…
Impact on the deuterium retention of simultaneous exposure of tungsten to a steady state plasma and transient heat cycling loads, Huber, A, Sergienko, G, Wirtz, M, Steudel, I, Arakcheev, A, Brezinsek, S, Burdakov, A, Dittmar, T, Esser, H G, Kreter, A, Linke, J, Linsmeier, Ch, Mertens, Ph, Möller, S, Philipps, V, Pints…
Manganese porphyrin has been supported onto multi-walled carbon nanotubes (Mn(TCPP)OAc@MWCNT) and characterized by powder X-ray diffraction, FT-IR, atomic absorption and UV–vis spectroscopy, field emission scanning electron microscopy (FE-SEM) and also thermogravimetric analysis (TGA). The TGA curve shows that the nan…
We propose a facile and reproducible method, based on ultra thin porous alumina membranes, to produce cm(2) ordered arrays of nano-pores and nano-pillars on any kind of substrates. In particular our method enables the fabrication of conducting polymers nano-structures, such as poly[3,4-ethylenedioxythiophene]:poly[sty…
Integrable GaAs-based high-contrast gratings (HCGs) are fabricated and characterized, targeting applications in high-speed vertical-cavity surface-emitting lasers (VCSELs). A Ga0.51In0.49P sacrificial layer beneath the GaAs layer is employed to create a low index surrounding HCG strips by selective etching. Experiment…
Abstract Oxide materials have been widely investigated for use as absorber layers in high‐performance solar cells, and in this study combinatorial methods were used to specifically investigate cobalt–iron (Co–Fe) oxide composites. Structural inversion of Co–Fe oxides from a normal to an inverse spinel structure occurs…