Materials Literature
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We theoretically study the possibility of ion channeling through peptide nanotubes (PNTs). After designing the minimal peptide nanorings (PNRs) and their aggregated form (peptide nanotubes, PNT) computationally, we carry out molecular dynamics (MD) calculations for cation channeling. The present MD calculations show t…
Chloro-bis(glycylglycinate)germanium(IV) chloride, [Cl(glygly)2Ge]Cl, was synthesized and characterized in the solid state by elemental analysis, thermogravimetry and infrared spectroscopy. Solution studies were also performed by 1H-NMR and 13C-NMR in dimethylsulfoxide (DMSO-d6) and by electric conductivity. The struc…
The geometry of a fuel pellet is a compromise among the intention to maximize UO 2 content and minimize the temperature gradient taking into account the thermomechanical behaviour, the economy, and the safety of the fuel management during and after irradiation. “Dishings”, “shoulders”, “chamfers”, and/or “a central ho…
Nano sized oxide materials have gained an immense importance due to their unque electrical and magnetic properties. Nano Lanthana has various applications in solide oxide fuel cells, catalytic exhaust gas converters, magnetic data storage, water treatment and also as a nano catalyst. The performance of the nano Lantha…
A novel biopolymer based Semi‐IPN of polyvinyl alcohol (PVA) and polycrylonitrile (PAN) were synthesized in various proportions by redox polymerization and analyzed thermally by differential scanning calorimetry (DSC). DSC thermograms shows good thermal stability, as a result of incorporation of acrylonitrile as the s…
The ordered double perovskite oxide, Sr 2 FeMoO 6 , has a half-metallic property and is considered as one of the best materials for creating spin-polarized current for next-generation spintronics devices. In order to optimize the fabrication conditions for (001)-oriented single-crystalline Sr 2 FeMoO 6 thin films, a c…
Pd/Al2O3 catalysts were prepared by wet impregnation using K2PdCl4, (NH4)2PdCl4, and Pd(NO3)2 as precursors. All catalysts were characterized by means of inductively coupled plasma-atomic emission spectroscopy (ICP-AES), temperature-programmed reduction (TPR), X-ray diffraction (XRD), and CO chemisorption. The results…
Structural features of polyurethane‐urea (PUU)/organoclay nanocomposites have been investigated by FTIR and small angle x‐ray scattering techniques. It is found that the clay has significant influence on morphology of the hard segments (HS) of the PUU. The HS domains which have rough surface, becomes more compact with…
Barium zirconium titanate powders were prepared by conventional ball milling and vibro-milling methods. Barium zirconium titanate ceramics were fabricated from the obtained powders. Properties of the ceramics were investigated. The vibro-milling ceramics showed a better dielectric constant and relative tunability. It…
The contribution of Sb atoms soft mode to the temperature dependences of the piezoelectric modulus e(T) and atomic equilibrium position's difference Δz(T) has been studied theoretically, when SbSI crystal is deformed along crystallographic x(a), y(b) and z(c)—axes. The largest change of e(T) occurs in the ferrophase n…
Ultrafine particles of CoLaxFe2−xO4 (x = 0, 0.20) were prepared by using co‐precipitation method. X‐ray diffraction studies show that the samples have cubic spinel structure and average crystallite size of x = 0 and x = 0.2 are 49.84 nm and 27.73 nm respectively. Dielectric and magnetic properties have been studied b…
In order to increase the TC and improve the properties of the (1-x)Pb(Mg1/3Nb2/3)O3-xPbTiO3 solid solution, the pseudo-binary system represented by (1-x)(0.65Pb(Mg1/3 Nb2/3)O3-0.35PbTiO3)-xBi(Zn1/2Ti1/2)O3, near the morphotropic phase boundary (MPB) was prepared in the form of ceramics. The effect of BZT addition to t…
We have measured electrical resistivity under pressure P and 75 As NMR on single crystal and poly crystalline BaFe 2 As 2 and (Ba 1− x K x )Fe 2 As 2 to elucidate mechanism of antiferromagnetic/superconducting phase transition in BaFe 2 As 2 . This system is an antiferromagnet, AF, with a transition temperature of 141…
Polymer films of PVA:Mn2+ and PVA: Ni2+ have been synthesized by a solution casting method in order to study their structural, thermal, dielectric, electrical and magnetic properties. The semi‐crystalline nature of the polymer films has been confirmed from XRD analysis. The FTIR analysis confirms the complex formation…
This paper shows how two coating systems were obtained as an alternative for protection against corrosion of al clad 2024-T3which is used in battery compartment manufacture for T-41 aircraft. Such systems consist of three types of organic resin: a first layer of P-115 polyester resin as the first coating on both syste…
Calcium phosphate hydroxyapatite, Ca10(PO4)6(OH)2, is a typical apatite compound which has a high thermal stability and an affinity for organic compounds of biomass derivatives. It has a capacity for substitutions of Ca2+ ions and PO43- ions by other cations and anions. Here in, we will report the selective conversion…
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 Ashok B. Nawale, Nilesh S. Kanhe, S. V. Bhoraskar, V. L. Mathe, A. K. Das; Magnetic Properties St…
Silk fibre is well recognized as an outstanding material for bio-medical engineering application because of its superior mechanical and bioresorbable properties. However, when producing silk fibre reinforced polymer composites, hydrophilic sericin has been found to cause poor interfacial bonding with polymer. Besides,…
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 S. Vinoth Rathan, Aashaq Hussain Shah, G. Govindaraj; Ac Conductivity and Electrical Relaxation i…
The electronic structure and the photoelectric properties of rutile based VO2 are investigated using the FP-LAPW method which is combined with the DFT+U method. The calculated density of statas (DOS) shows that the DFT+U method can describe the conductive band properly. The V-O bonding in VO2 is induced mainly through…