Materials Literature
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Edible film made from water-soluble fish proteins present in surimi wash-water were developed based on formulation conditions explored in a previous study. Type and concentration of plasticizer significantly ( p < 0.05) affected the mechanical and barrier properties of the films. Sorbitol (SOR) plasticized films we…
Oxygen bubble formation and evolution under a 300keV electron beam are analyzed in a Li borosilicate glass under different irradiation conditions: temperature, flux, and dose. Oxygen bubbles are observed to form in a delimited flux and temperature region with a threshold requirement. This region ranges between 100 and…
Abstract In the present paper, anode supported solid oxide fuel cells (SOFCs), produced on a pre‐pilot plant scale in ten batches of ∼100 cells, are characterised with respect to performance. The main purpose was to evaluate the reproducibility of the scaled‐up process. Based on 20 tests, the average area specific cel…
An electrochemical study of corrosion behavior for carbon steel in a solution like NACE TM0177 after adding pyridine derivatives is presented. Weight-loss measurements, as the modification of corrosion potentials toward less negative potentials (in linear polarization) in the presence of pyridine compounds, indicated…
Amorphous carbon nanotubes (a-CNTs) are synthesized by pyrolysis of ferrocene confined in the nanopores of the anodic alumina membrane (AAM) and characterized by field emission scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS), transmission electron microscopy (TEM), electron energy-loss s…
The phosphors of red (Y,Gd)BO/sub 3/:Eu/sup 3+/, green Zn/sub 2/SiO/sub 4/:Mn/sup 2+/, and blue BaMgAl/sub 10/O/sub 17/:Eu/sup 2+/ (BAM) are widely being used in plasma display panels (PDPs). However, BAM deteriorates seriously during the panel processing and operation, resulting in a loss of efficiency and color puri…
The reversible addition-fragmentation chain-transfer polymerization was used to prepare microarray slides grafted with polymer brushes for DNA-based applications. Block copolymer brushes of N,N-dimethylacrylamide (DMA) and glycidyl methacrylate (GMA), poly(DMA-b-GMA) were prepared by extending living poly(dimethylacry…
The Indira Gandhi Centre for Atomic Research (IGCAR) conducts multidisciplinary programme of scientific research and advanced engineering for development of sodium - cooled Fast Breeder Reactor (FBR) technology in India. In the early days of IGCAR, the emphasis was on construction of a sodium - cooled 40 MWt Fast Bree…
The galvanomagnetic and thermoelectric properties of n -Bi 2- x Sb x Te 3- y - z Se y S z multicomponent solid solutions with atomic substitutions (Sb → Bi; Se, S → Te) are studied. The principal components of the effective mass tensor ( m 1 , m 2 , m 3 ) for the isotropic mechanism of charge carrier scattering are de…
Polypyrrole (PPy) films have been successfully electrodeposited on stainless steel substrates in aqueous solution. In this work, three systems of electrolytes were studied: oxalic acid, dodecylbenzenesulfonic acid (DBSA) and a mixture of oxalic acid and DBSA. A combination of XPS and TOF–SIMS revealed the formation of…
Abstract The reactivity in CeO 2 /Ni and LaGaO 3 /Ni systems, which are constituents of intermediate temperature solid oxide fuel cell (IT‐SOFC) anodes, has been investigated both computationally and experimentally. The CALPHAD‐method (CALculating of PHAse Diagrams), employing BINGSS and THERMOCALC software, was used…
The kinetics and mechanism of the water incorporation in binary perovskite (elpasolite) Ba4Ca2Nb2O11 are studied in the temperature interval 300–500°C at aH2O = 1 × 10−3 to 2.2 × 10−2. The product of hydration at these temperatures and values of aH2O is a solid solution of the composition Ba4Ca2Nb2O11·xH2O (x < 0.5).…
Minimally invasive surgery (MIS) is the most exciting and rapidly developing area where force sensing is actually of central importance. Micromachined piezoelectric sensors can be integrated onto MIS tools for improved diagnosis and treatment monitoring. A micro-machined freestanding lead zirconate titanate (PZT) forc…
Nous avons resolu la structure cristalline de la berryite, de composition ideale Cu 3 Ag 2 Pb 3 Bi 7 S 16 , monoclinique, a 12.703(2), b 4.0305(7), c 28.925(5) A, p 102.484(2)°, groupe spatial P2 1 /m, Z = 2, D calc = 6.899 g/cm 3 , par methodes directes, et nous l'avons affinee jusqu'a un residu R 1 de 6.4% avec 2352…
The phase shift between a pyroelectric voltage and a temperature oscillation wave in the measurement of induce pyroelectric coefficient using dynamic method is studied. Experiment results show that there is a 90° phase shift between a pyroelectric voltage and a temperature wave for intrinsic pyroelectrics, while there…
The heat capacity C p 0 of (TeO2)n(ZnO)1 − n (n = 0.65, 0.70, 0.80) tellurite glasses has been determined by precision adiabatic (6–350 K) and dynamic scanning (320–650 K) calorimetry. The thermodynamic characteristics of their devitrification and glassy state have been determined. The experimental data have been used…
Nous avons resolu la structure cristalline de la jagueite, de composition ideale Cu 2 Pd 3 Se 4 , monoclinique, a 5.672(5), b 9.909(9), c 6.264(6) A, β 115.40(2)°, groupe spatial P2 1 /c, par methodes directes, et nous l'avons affinee jusqu'a un residu R 1 de 5.52% en utilisant 956 reflexions uniques mesurees avec ray…
We have investigated the crystal growth mechanism of spherical Si fabricated by a dropping method. The Si spheres were classified into two categories by surface morphology. The grain size of a Si sphere with a smooth surface is larger than that with a rough surface. To investigate the crystal growth mechanism of the s…
The frequency-dependent electrical data of the bismuth germanate silicate (BGSO) glasses have been discussed in the framework of the electric modulus representation and the power-law conductivity. The activation energies of the mean electric relaxation time and the direct current (dc) conductivity obtained by the comp…
The many-body theory of photoemission in solids is reviewed with emphasis on methods based on response theory. The classification of diagrams into loss and no-loss diagrams is discussed and related to Keldysh path-ordering book-keeping. Some new results on energy losses in valence-electron photoemission from free-elec…