Materials Literature
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According to the practice of assessing NPP units applying EUR criteria (European Utility Requirements) and IAEA Methodology INPRO (Innovation Nuclear Reactors and Fuel Cycle), the paper presents developed criteria for the assessment of NPP designs of various suppliers that are proposed to be implemented in Ukraine. It…
We report a first-principles study of edge-reconstructed, few-layered graphene nanoribbons. We find that the nanoribbon stability increases linearly with increasing width and decreases linearly with increasing number of layers (from three to six layers). Specifically, we find that a three-layer 1.3 nm wide ribbon is e…
The plasmon dispersion in $2H$ transition metal dichalcogenides has been reported to be negative, which is a strong renormalization with respect to the expectations for a homogeneous electron gas. This has been interpreted to be either due to the interaction of the plasmon oscillations with charge density fluctuations…
Films of polypyrrole/graphene on titanium mesh were prepared by electrochemical reduction of the fresh dried foam films of graphene oxide followed by an electrochemical polymerization of pyrrole. The as-obtained composite had highly surface area, conductivity, and could be used as the electrode for supercapacitors, es…
Background: Tosylate indicates to the anion of p-toluenesulfonic acid, the tosyl group is also useful as protecting group for amines, it is abbreviated as Ts or Tos. Keywords: DFT, DOS, infrared spectra, energy gap, total energy, B3LYP.
Cu 2 SnS 3 is an attractive earth abundant material for not only solar cells but also thermoelectrics because high thermoelectric performance is predicted by the first principle calculation. In our previous work, Cu 2 SnS 3 is successfully synthesized by solid phase reaction with binary compounds and obtained a high S…
Thermocells convert heat energy directly into electrical energy through charge-transfer reactions at the electrode–electrolyte interface. To perform an analytical study on the behavior of thermocells, the Onsager flux relationship was applied to thermocells, which used aqueous copper II sulfate and aqueous potassium f…
1 Carboxy derivative of dioxydiphenylpropane diglycidyl ether monomethacrylate (CDE) containing the fragment of dianic epoxy resin, as well as free carboxy and methacrylic groups has been studied as a component of epoxy-oligoesteric and bitumen-polymeric mixtures.The epoxy-oligoesteric mixtures were investigated using…
We demonstrate the sputter-deposition of WS2 onto a single-layer graphene film leaving the latter disorder-free. The sputtering process normally causes defects to the graphene lattice and adversely affects its properties. Sputtering of WS2 yields significant amounts of energetic particles, specifically negative S ions…
A magnetostrictive composite material exhibiting the capacity for large magnetostrictive strains was created by suspending magnetic wires in a soft polymer matrix. Magnetostrictive strains as large as 20% were found in an applied field of 600 Oe for this proof of concept composite. Our analysis indicates that reversib…
The oxygen vacancy (VO) is known as the main compensation center in p-type ZnO, which leads to the difficulty of fabricating high-quality p-type ZnO. To reduce the oxygen vacancies, we oxidized Zn3N2 films in oxygen plasma and successfully prepared p-type ZnO:N films at temperatures ranging from room temperature to 30…
The conventional poly(ether ether ketone) (PEEK) and two other PEEK copolymers (PEEEKK-PEK and PEEEKK-PEEEK) were successfully synthesized and investigated on their thermal stabilities, mechanical properties, and rheological behaviors. Both of the PEEEKK-PEK and PEEEKK-PEEEK were composed of the same chemical componen…
In this article, inherent flame-retardant epoxy ether, 9,10-dihydro-9-oxa-10-[1,1-bis(4-glycidyloxyphenyl)ethyl]-10-phosphaphenanthrene 10-oxide (DPBAEP), with 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide moieties was synthesized via an economical method and was used to improve the flame retardancy of 4,4′-tetra…
Copper-doped (Tb 0.861 Mn 0.121 )MnO 3−δ has been synthesized by the conventional solid state reaction method. X-ray, neutron, and electron diffraction data indicate that they crystallize in Pnma space group at room temperature. Two magnetic orderings are found for this series by neutron diffraction. One is the ICAM (…
In this study, a kind of self-assembly β nucleating agent (TMB-5) and intense shear field provided by a microinjection machine were simultaneously employed to address the long-standing question about the possibility to cultivate highly oriented β-crystals. The experimental results were cheerful. For dotlike TMB-5, it…
Abstract A novel and versatile approach to tune photoluminescence and electroluminescence by in situ controlled thermal deprotonation is presented. This methodology, based on a single organic π‐conjugated material (pyrene derivative), allows the manufacturing of organic light‐emitting diode (OLED) prototypes by soluti…
We present basic spectroscopic studies of 5 triazine dendrimers ranging from generations one through nine, G1, G3, G5, G7, and G9, based on the intrinsic fluorescence of these molecules. The extinction spectra of each generation can be separated into two components; the absorption spectra from triazine chromophores an…
We present the fabrication and thermal conductivity of a high-density and ordered 10 nm-diameter Si nanowires (SiNWs) array for thermoelectric devices, realized through the use of a bio-template mask as well as neutral beam etching techniques. The SiNWs were embedded into spin-on-glass (SoG) to measure the thermal con…
We demonstrated the formulation of wood plastic composite (WPC) materials with flexural strength of 13.69 ± 0.09 MPa for applications in outdoor fencing using municipal waste precursors like low density polyethylene (LDPE) plastics (54.0 wt. %), sawn wood dust with particle size between 64 and 500 μm derived from vari…
We have studied the electro-mechanical properties of 20 nm thick CoFeB thin films deposited on Kapton® substrate by electrical resistivity measurements and atomic force microscopy observations during in situ tensile tests. We show in this paper that the amorphous CoFeB thin film has a brittle behavior with crack initi…