Materials Literature
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The sorption capacity of polyoxometallates with a buckyball structure (fullerene) $$ (NH_4 )_{42} [Mo_{72}^{VI} Mo_{60}^V O_{372} (H_3 CCOO)_{30} (H_0 O)_{72} ] \cdot 30H_3 CCOONH_4 \cdot 250H_2 O $$ and $$ (NH_4 )_{42} [Mo_{72}^{VI} Mo_{60}^V O_{372} (ClCH_2 COO)_{30} (H_2 O)_{72} ] \cdot 250H_2 O \cdot 15ClCH_2 COON…
This paper gives a wide view over recent research in dynamic characteristics and vibration damping properties of fiber-reinforced, polymer-matrix composites, with emphasis on parameters governing damping, such as fiber volume fraction, fiber orientation, exciting frequency, aspect ratio and fiber-matrix interface, as…
Here we present for the first time a rapid photo-induced method to prepare, in a single step, hybrid polymer composites with conducting polypyrrole and silver nanoparticles at the surface, resulting in a hybrid polymer composite with very high surface conductivity.
Barium titanate (BaTiO3, BT)–bismuth magnesium titanium oxide (Bi(Mg0.5Ti0.5)O3, BMT) solid solution system ceramics were prepared using nanoparticles in atmosphere to enhance Curie temperature (Tc) of BT, 132°C, to much higher temperature. Optimization of calcination and sintering conditions resulted in a formation o…
The brownmillerite phase LaSrCoFeO5 has been prepared by partially reducing the parent perovskite material LaSrCoFeO6 in 10% H2/N2. The material crystallizes in the Icmm space group with the transition metal ions randomly distributed over the octahedral and tetrahedral sites of the structure. The material shows G-type…
Nanoscale Au particles are received with significant interest in the recent years owing to their unique properties, which originate from the quantum scale dimension. Although colloidal Au has been known since ancient times for the decoration of glasses and for its curative powers, the technological importance has been…
Bio-inspired superparamagnetic hierarchical material which possesses significant thermal stability and superparamagnetic property was fabricated by core reconstruction of silica thin film coated ferritin molecules that were immobilized on the surface of natural cellulose nanofibres of common commercial filter paper.
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 Keiichi Osaka, Takuya Matsumoto, Keiko Miura, Masugu Sato, Ichiro Hirosawa, Yoshio Watanabe; The…
The estimated sales for carpet tiles in the EEA is 45 million m2 representing both an enormous resource and environmental burden with ca. 70 million kg of tile incinerated or landfilled every year in Europe alone. To alleviate the end-of-life problem a facile route to disassemble the multi-layered tiles is needed, but…
The Mg–Zn–Y alloys show a good mechanical strength which can be achieved with the precipitation hardening by intermediate phases (X, W and I phase) in Mg solid solution (α phase). However, an accurate control of the microstructure formation is required in order to obtain good mechanical properties. In this study, expe…
Microwave local heating was used to join silicon nitride. Glass was placed at the joint between two silicon nitride pipes and a silicon carbide susceptor was placed around the joint. The susceptor was locally heated by absorbing the microwave radiation. On heating to 1500°C, the glass melted and filled the space betwe…
CoFe/MgO nanocomposites have been prepared from single-source inorganic layered double hydroxide (LDH) precursors via a H(2) gas-phase reduction; the metal composition can be freely manipulated by tailoring the molecular composition of the LDH precursors.
The structural characteristics of amorphous silicas obtained from aqueous solutions of sodium silicate and serpentinite and kaolin minerals were studied by X-ray diffraction and differential thermal analysis. Siloxane groups of amorphous SiO 2 were found to contain Si-O bonds different in saturation.
The radiation vulcanization of natural rubber latex (NRL) has been carried out with 150 keV electrons beam with the presence of carbon nanotubes. The NRL/CNTs were prepared by using solving casting method by dispersing carbon nanotubes in a polymer solution and subsequently evaporating the solvent. The load of the car…
Bluish green-emitting Eu 2 + -doped barium silicate ( Ba 2 Si 3 O 8 : Eu 2 + ) phosphor was synthesized via a conventional solid-state reaction chemistry, and Eu concentration and firing temperature were optimized toward its highest luminescent efficiency. Ba 2 Si 3 O 8 : Eu 2 + phosphor could be excited under near-UV…
In Indonesia, shrimp industries produce solid waste in the form of the head, tail, and skin. These material can be further processed into chitosan that can be used as plastic (chitosan edible film). The chitosan film tends to be brittle. One way to increase the flexibility of plastic chitosan is by adding additional i…
Summary of Biomimetic Smart Nano-scale Interfacial Materials Living Organisms with Special Surface Performance Wettability of the Solid Surface Biomimic Superhydrophobic Surface Smart Nanoscale Interfacial Materials with Special Wettability Conclusion and Prospect.
Esta tesis se centra en el estudio de medios quirales mediante polarimetria de amtriz de Mueller. Opticamente los medios quirales se caracterizan por tener actividad optica, que se manifiesta en procesos dispersivos con la birefringencia circular o en procesos de absorcion mediante el cicroismo circular. Nuestro ambit…
We newly synthesized well-crystallized hydrotalcite-supported copper nanoparticles, denoted as Cu/HT(c), which acted as a highly efficient heterogeneous catalyst for oxidant-free lactonization of various diols under liquid-phase conditions.The Cu/HT(c) catalyst could be recovered by simple filtration and reused withou…
This paper presents a study on the air permeability of socks manufactured using the yarns of new kinds of fibres, such as soybean, bamboo, cotton/seacells and bamboo/flax. The air permeability of plain pure knits and plated knits of textured polyamide (PA) and elastane (Lycra) wrapped with textured polyamide threads w…