Materials Literature
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Diamond high power devices have been intensively investigated for several years because of the outstanding electrical and thermal properties of this wide band gap semiconductor. Schottky diode based on metal/diamond junction is very promising because of the high reported breakdown voltage (10 kV) and of recent progres…
The purpose of our study was the evaluation of toxicological effects of silica-coated gold nanoparticles (GNPs) and static magnetic fields (SMFs; 128 mT) exposure in rat lungs. Animals received a single injection of GNPs (1,100 µg/kg, 100 nm, intraperitoneally) and were exposed to SMFs, over 14 days (1 h/day). Results…
DFT calculations employing the OLYP and B3LYP functionals have been used to map out the low energy states of the metalloporphyrin-nitroxyl adducts "M(Por) + NO(-)" and "M(Por) + HNO", where M = Fe, Co, and Mn and Por(2-) is the dianion of unsubstituted porphyrin. For [Fe(Por)(NO)](-), the calculations yield two low-en…
Fe L 2,3 -edge XAS and XMCD studies have been used to unravel structural trends in the MgAl 2 O 4 –Fe 3 O 4 solid solution where thermodynamic modeling has presented a challenge due to the complex ordering arrangements of the end-members. Partitioning of Fe 3+ and Fe 2+ between tetrahedral (Td) and octahedral (Oh) sit…
Synthesis of nanoparticles (NPs) having unique potentials and properties is of great importance in nanotechnology. The NP synthesis techniques may include the wet chemistry to microbial incubation reduction methods. This work reports generation of ZnO NPs by identical preparation including incubation of different zinc…
This work presents detailed characterization of structural, optical and electrical properties of Al doped ZnO (AZO) coated Corning®Willow®Glass substrate as a function of AZO thickness. It has been observed that the carrier concentration increases and the sheet resistance decreases as the thickness of the coating incr…
A novel method for reconfigurable antennas that utilize the unique properties of phase-change materials has recently been demonstrated using a metallic bowtie dipole antenna. Here, a reconfigurable coplanar folded slot antenna prototype with Vanadium Dioxide (VO2) is presented. The antenna has the ability to alter its…
Type II insulation systems, typical of MV motors or generators, were aged under sequential thermal cycling and voltage, and diagnostic quantities related to partial discharge activity recorded, such as partial discharge inception voltage (PDIV). Accelerated aging was carried out until breakdown statistics was reached.…
Abstract Synthesis of CoxMnyZnyFe2O4 (x = 0.1, 0.5, 0.9 and y = 0.45, 0.25, 0.05) nanocrystalline powders was done by chemical co-precipitation method. The crystal structure was determined by using X-ray diffraction (XRD) studies. The crystallite size and lattice parameters were calculated from the XRD data. The XRD r…
The influence of SrZrO3 (SZ) addition on the crystal structure, piezoelectric and the dielectric properties of lead-free Bi0.5Na0.5TiO3 (BNT−SZ100x, with x = 0 − 0.10) ceramics was systematically investigated. A significant reduction in the grain size was observed with SZ substitution. The X-ray diffraction analysis o…
The fabrication of nanoparticles using different formulations, and which can be used for the delivery of chemotherapeutics, has recently attracted considerable attention. We describe herein an innovative approach that may ultimately allow for the selective delivery of anticancer drugs to tumor cells by using an extern…
A hyperbranched derivative of trazine group (EA) and ammonium polyphosphate (APP) are incorporated into polylactide (PLA) in a constant amount. The component ratio effect of APP/EA on the flammability and anti-dripping property of PLA are investigated using the limiting oxygen index, vertical burning, and cone calorim…
Zinc (Zn) nanoparticles and (Cu0.5Tl0.5)Ba2Ca2Cu3O10−δ (CuTl-1223) superconducting phase were prepared separately by sol-gel and solid-state reaction methods, respectively. Zn nanoparticles were added in CuTl-1223 superconducting matrix with different weight percentage during the final sintering process to obtain (Zn)…
This paper introduces a new fluorescent nanocomposite of electrospun biodegradable nanofibers embedded with optical nanoparticles. In detail, this work introduces the fluorescence properties of PVA nanofibers generated by the electrospinning technique with embedded cerium oxide (ceria) nanoparticles. Under near-ultra…
Cr 3+ luminescence of the green Cr-bearing variety of spodumene (LiAlSi 2 O 6 ) has been studied under hydrostatic conditions up to ~15 GPa. R-line luminescence is a particularly sensitive site-specific probe of the Al-site, and high-pressure phase transitions that affect the symmetry or electron density at this site…
We succeeded in growing high-quality single crystals of the pyrite-type cubic compounds CoSe2 and CoS2 using the transport agent CoBr2 and measured the electrical resistivity, specific heat, magnetic susceptibility, magnetization, and de Haas–van Alphen (dHvA) effect. We confirmed that CoSe2 is an exchange-enhanced pa…
Characterization of a samarium thin film deposited on a stainless steel substrate using electrodeposition was carried out with a Thermo Scientific K-Alpha X-ray photoelectron spectrometer. Two types of samarium electrodeposition samples were studied, one as-deposited and one heated to 700 °C in an air atmosphere. Surv…
The relaxometric properties of ultrasmall Gd2O3 nanoparticles coated with various ligands were investigated. These ligands include small diacids with hydrophobic chains, namely, succinic acid (Mw = 118.09 amu), glutaric acid (Mw = 132.12 amu), and terephthalic acid (Mw = 166.13 amu), and large polyethylenimines (PEIs)…
Water-gated organic transistors on polyethylene naphthalate films, de Oliveira, Rafael Furlan, Casalini, Stefano, Cramer, Tobias, Leonardi, Francesca, Ferreira, Marystela, Vinciguerra, Vincenzo, Casuscelli, Valeria, Alves, Neri, Murgia, Mauro, Occhipinti, Luigi, Biscarini, Fabio
Due to several important limitations for applications of thermoplastic starch (TPS), thermoplastic acetylated cassava starch (TPACS) polymer was reinforced by different contents of neem wood sawdust (SD). Thermoplastic cassava starch (TPCS)/SD composites were also prepared and reinforced by different SD contents and c…