Materials Literature
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Nd 2 Fe 14 B ∕ α - Fe nanocomposites were prepared using a melt-spinning method, subsequent annealing treatment, and ball milling. The complex permittivity and permeability of the composites were measured in the 0.5–18 and 26.5–40GHz frequency ranges. The permeability spectra of the Nd2Fe14B∕α-Fe nanocomposites exhibi…
The characterization of three commercial thermoelectric modules, designed for cooling/heating applications, is presented in order to employ the devices for power conversion, i.e as thermoelectric generators (TEG). The thermoelectric theory is briefly described at first, also taking into account the relationship betwee…
Nanotubes of sandwich-type mixed (porphyrinato)(phthalocyaninato)europium(III) double-decker, H{Eu(TClPP)[Pc(α-OC 4 H 9 ) 8 ]} [TClPP = 5,10,15,20-tetrakis(4-chlorophenyl)poprhyrinate; Pc(α-OC 4 H 9 ) 8 = 1,4,8,11,15,18,22,25-octakis(1-butyloxy)phthalocyaninate] were fabricated by using nanoporous anodized aluminum ox…
Abstract Gelatin hydrogels with various concentrations were cross-linked by the irradiation with 60Co γ-rays, and we investigated the radiation-induced cross-linking of gelatin hydrogels by estimating the physical properties of irradiated hydrogels. In case of the 1, 5, and 10% (w/v) gelatin solutions, the specific wa…
In this paper we compare the formation of complex coacervate core micelles (C3Ms) from two different tricompontent mixtures, namely neodymium, the bisligand L2EO4 and the poly(cation)-block-poly(neutral) diblock copolymer P2MVP41-b-PEO205, and zinc, L2EO4 and P2MVP41-b-PEO205 mixed systems. Three sets of titration exp…
The physico-chemical properties of ceria (CeO2) and rare earth modified ceria (with La, Pr, Sm, Y) catalysts are studied and correlated with the soot oxidation activity with using O2 and O2 + NO. CeO2 modified with La and Pr shows superior soot oxidation activity with O2 compared with the unmodified catalyst. The impr…
Soft X-ray photoelectron spectroscopy (SXPS) and X-ray absorption near-edge structure (XANES) have been combined with low-energy electron diffraction (LEED) to examine the growth of titanium dioxide thin films on Ni(110). Depending on the initial titanium coverage, the formation of two different films is observed, a q…
The evolution of the clad temperature during a Reactivity Initiated Accident plays a key role in the accidental sequence because it strongly influences the rod mechanical resistance against failure. The present study aimed at quantifying the heat transfer in NSRR experiments. Transient boiling curves were determined b…
A stable Fe23B6-type phase formed in a nanocomposite soft magnetic alloy Fe40Co40Nb4B13Ge2Cu1 after thermal treatment was investigated. The primary crystallization temperature and second crystallization temperature for this alloy were determined to be 405 and 740°C, respectively. After annealing the sample at 820°C fo…
In ablator shell fabrication, trace elements and impurities are introduced in the deposition and the pyrolysis process, which must be controlled below a critical level. However, it is the opacity, not the individual elements, which matters in an Inertial Confinement Fusion (ICF) implosion. Radiography measures the opa…
Abstract The objective of this work is to provide additional insight on the influence of (2E)‐3‐amino‐2‐phenylazo‐but‐2‐enenitrile and its derivative as corrosion inhibitors for copper in 0.5 M HNO 3 . Electrochemical techniques (potentiodynamic polarization, polarization resistance and impedance spectroscopy) as well…
A finite simple shear deformation of an elastic solid induces unequal normal stresses. This nonlinear phenomenon, known as the Poynting effect, is governed by a universal relation between shear strain and first normal stresses difference, valid for nondissipative isotropic elastic materials. We provide the first exper…
Abstract Bi‐Fe‐O thin films are grown by liquid‐injection metal‐organic (MO)CVD on (001) SrTiO 3 substrates using two different bismuth precursors, Bi(tmhd) 3 and Bi(mmp) 3 . The precursor Bi(mmp) 3 is found to be more effective for Bi incorporation in the films. Epitaxial BiFeO 3 films are obtained and no evidence fo…
Honeycomb-like macrostructured carbons with well-defined microporosity have been prepared from the microwave popping of maize followed by thermal carbonization. The obtained carbon material shows good catalytic activity over oxidative dehydrogenation of ethylbenzene to styrene.
Two methods for extracting information from first-order reversal curves (FORCs) obtained on low coercivity samples are presented. The proportion of reversibility as a function of applied field can be extracted by calculating the ratio of the initial slope of each FORC to the susceptibility on the major hysteresis loop…
A method for fabrication of highly (100)-oriented Pb(Zr0.2Ti0.8)O3 (PZT) thin films by rf magnetron sputtering with a special buffer of PbOx (RFMS-SBP) was developed. With this method, highly (100)-oriented Pb(Zr0.2Ti0.8)O3 thin films were prepared on the PbOx∕Pt(111)∕Ti∕SiO2∕Si(100) substrates, and the preferential (…
An enhanced macromolecular nanofiber network and its implications have been developed by employing the understanding of its formation with an emphasis on its topological aspect. Using agarose aqueous solution as a typical example, the macromolecular nanofiber network of soft functional materials has been clearly visua…
High altitude rivers in European mountains show a large diversity of benthic diatom assemblages. Diatoms were studied from rivers of the Alps, the Pyrenees, the Massif-Central and the Iberic system. The study area spread across four countries, Italy, France, Switzerland and Spain. Since 2000, the European Water Framew…
A precursor solution containing poly(vinyl alcohol) and a calcium phosphate sol is used to produce fibers of hydroxyapatite. The mixture is electrospun at a voltage of 20 kV and the resultant structure is calcined at 600°C for 6 h. Experiments were conducted for polymer molecular weight ( M W ) between 9500 and 155 00…
Electric Conduction of Thin-Layer Ni-Multilayer Ceramic Capacitors with Core–Shell Structure BaTiO3 , Morita, Koichiro, Mizuno, Youichi, Chazono, Hirokazu, Kishi, Hiroshi, Yang, Gai-Ying, Liu, Wei-En, Dickey, Elizabeth C., Randall, Clive A.