Materials Literature
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A new hybrid system consists of a solid oxide fuel cell (SOFC) and a Stirling heat engine is established, where the heat engine is driven by high-quality waste heat generated in the SOFC. Based on the electrochemistry and non-equilibrium thermodynamics, analytical expressions for the efficiency and power output of the…
Optical excitation of small Au nanoparticle (NP) clusters of appropriate wavelength is known to generate intense electromagnetic fields localized uniquely at NP junction sites within the nanoclusters. These intense and localized field hot-sites can induce intense surface-enhanced Raman scattering (SERS) of molecules r…
Green polymer foam was prepared by the reaction of green monomer based on vegetable oil with commercial Polymethane Polyphenyl Isocyanate (Modified Polymeric-MDI) and distilled water (H 2 O). The morphological study of green polymer foam was examined by Scanning Electron Microscope (SEM) and acoustic property by means…
Photon interaction effective atomic number (Zeff) for partial as well as total photon interaction processes has been computed using logarithmic interpolation method for seven different concretes viz. (i) Ordinary, (ii) Hematite - Serpentine, (iii) Ilmenite - Limonite, (iv) Basalt - magnetite, (v) Ilmenite, (vi) Steel…
The rare-earth manganites RMnO3 (R = rare earth) are a class of important multiferroics with stable hexagonal structures for small R ion radius (Sc, Lu, Yb, ...). Metastable perovskite phases of these systems possess intriguing electronically driven electrical polarization, but the synthesis of the perovskite phase fo…
We identify specific acylphosphatase (AcP) residues that interact with silica nanoparticles (SNPs) using a combined NMR spectroscopy and proteomics-mass spectrometry approach. AcP associated with 4- and 15-nm diameter SNPs through a common and specific interaction surface formed by amino acids from the two α-helices o…
A lock-in technique for measurement of thermal conductivity and volumetric heat capacity of thin films is presented. The technique is based on the 3ω approach using electrical generation and detection of oscillatory heat along a thin metal strip. Thin films are deposited onto the backside of commercial silicon nitride…
The structural phase transition (SPT) in VO2 and its hysteretic behavior is used in the present work to program mechanical displacements of a micro-electro-mechanical memory through electro-thermal actuation (i.e., Joule heating). The memory element consists of a silicon dioxide cantilever with buried Ti/Pt heating el…
Abstract The microstructure and hydrogen storage properties of low V content (Ti 0.46 Cr 0.54 ) 100− x V x ( x = 2.5–7.1, at%) and (Ti y Cr 1− y ) 95 V 5 ( y = 0.38–0.54) alloys were investigated. These alloys were prepared by arc melting and copper mould suction casting. The structures of as‐cast (Ti 0.46 Cr 0.54 ) 1…
Abstract Diamond‐like carbon (DLC) coatings have become the most versatile class of coatings in various applications. However, most methods are not practical for industrial fabrication chains. The work presented here the deposition of ta‐C (tetrahedral amorphous carbon = ta‐C) coatings on molding tools for use in prec…
In this work, the electric discharges activity on non-uniformly polluted glass plane insulator model is investigated for increasing applied voltage levels up to flashover. The effect of pollution severity was simulated using pollution solution containing various kaolin concentrations. The polluted sample has a strip t…
We investigate the doping dependence of the magnetic excitations in the two-superconducting-dome system LaFeAsO${}_{1\ensuremath{-}x}$D${}_{x}$. Using inelastic neutron scattering, spin fluctuations at different wave numbers were observed under both superconducting domes around $x$ $=$ 0.1 and 0.4 but vanished at $x$…
The development of rapid, low cost and environment friendly processes for the synthesis of nanomaterials is of great importance in the field of nanotechnology. In this paper sugar industry waste (bagasse) was used as the reducing and capping agent for the synthesis of silver nanoparticles under microwave treatment. Th…
Structural and optical properties of Ag-glass nanocomposite, synthesized by the combined use of vacuum deposition method and subsequent thermal annealing have been studied using UV-Visible absorption spectroscopy, Field emission scanning electron microscopy (FE-SEM) along with Energy dispersive analysis of X-rays (EDA…
MoO3 films were deposited on Corning glass and silicon substrates held at room temperature (303 K) by RF magnetron sputtering of metallic molybdenum target at a fixed oxygen partial pressure of 4x10 -4 mbar and sputter pressure of 4x10 -2 mbar. The as deposited films were annealed in air at different temperatures in t…
This paper presents the thermal vibration analysis of doublelayer graphene sheet embedded in polymer elastic medium, using the plate theory and nonlocal continuum mechanics for small scale effects. The graphene is modeled based on continuum plate theory and the axial stress caused by the thermal effects is also consid…
PURPOSE: To research the acid-triggered core cross-linked folate-poly(ethylene glycol)-b-poly[N-(N',N'-diisopropylaminoethyl) glutamine] (folated-PEG-P[GA-DIP]) amphiphilic block copolymer for targeted drug delivery and magnetic resonance imaging (MRI) in liver cancer cells. METHODS: As an appropriate receptor of prot…
10.1103/PhysRevE.88.043006
The degradation characteristic of solid insulators is considered to be one of the key factors to perform a risk assessment of highly aged gas insulated switchgear (GIS). The present study experimentally obtained the breakdown voltage-time (V-t) characteristics of epoxy insulator with an internal microscopic crack-shap…
Extended abstract of a paper presented at Microscopy and Microanalysis 2013 in Indianapolis, Indiana, USA, August 4 – August 8, 2013.