Atomic Structure of Surface Dielectric Dead Layer in BiFeO3 Thin Film
Extended abstract of a paper presented at Microscopy and Microanalysis 2013 in Indianapolis, Indiana, USA, August 4 – August 8, 2013.
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Universal Stress-Strain Equation for Metallic Materials
This paper presents an equation that governs the stress-strain behavior of any metallic material subjected to uniaxial stress tests under any stress or strain rate and under any temperature; thus, it can be considered as a universal model of uniaxial stress-strain behavior in which the classical models—lineal, perfect…
Review of multi-layer graphene nanoribbons for on-chip interconnect applications
A review of the analytical models for signal transport in multi-layer graphene nanoribbon (GNR) interconnects, current distribution between GNR layers, and a comparison of GNR interconnects against copper is presented here. The multiconductor transmission line (MTL) models and the simplified equivalent distributed RC…
Formation of fragments with medium-angle boundaries in shear bands: Computer simulation
The conditions for the formation of fragments with medium-angle boundaries in shear bands are analyzed using computer simulation. It is shown that the main condition for the transformation of weakly disoriented dislocation structures into a fragmented structure is the suppression of active plastic deformation in a sub…
Piezomagnetism of FeSe single crystals
The acoustic-electric transformation in high-quality FeSe single crystals is studied. In zero magnetic field we observe an abnormally strong electromagnetic radiation induced by a transverse elastic wave. Usually a radiation of such intensity and polarization is observed only in metals subjected to a high magnetic fie…
Synchrotron Diffraction topography in Studying of the Defect Structure in Crystals Grown by the Czochralski Method
The synchrotron diraction topography had been widely used for investigation of the structural defects in crystals grown by the Czochralski method. Similarly as conventional diraction topography, the synchrotron topography consists in recording with high spatial resolution of the beam formed by the Bragg reection from…
Preparation of TiO2/Al-MCM-41 mesoporous materials from coal-series kaolin and photodegradation of methyl orange
TiO 2 /Al-MCM-41 mesoporous materials were prepared via sol-gel method by loading titania onto Al-MCM-41 mesoporous molecular sieve by hydrothermal treatment from coal-series kaolin as raw material. The TiO 2 /Al-MCM-41 mesoporous materials were characterized by XRD, FT-IR, HRTEM, N 2 adsorption-desorption and the pho…
Iron succinate coordination compounds. Simulation of formation processes
The complexation of Fe(II) and Fe(III) with succinate anions was studied by the oxidation potential method. Using the oxidation function and the proposed principle of simulation of equilibrium from experimental data, we determined the composition, stability, the regions of existence, and accumulation rates of iron suc…
Landau coefficients and the critical electric field in a KDP crystal
Analytical expressions for the Landau coefficients of deuterated potassium dihydrogen phosphate (DKDP) crystal are obtained in a four-particle cluster approximation. The critical electric field strengths calculated within the phenomenological and microscopic theories for DKDP are compared to experimental data. Calcula…
Phase composition and luminescent properties of strontium aluminate long persistence phosphor synthesized by combustion synthesis method with different Sr/Al ratios
Abstract Strontium aluminate long persistence phosphors are synthesized by combustion method. By controlling the raw material ratio (Sr/Al), the effects of phase composition on subsequent spectroscopic properties of phosphors are studied. Results show that the phase composition changes from strontium‐rich phase to alu…
Surface-enhanced Raman Scattering of Graphene on SiC
Raman scattering spectroscopy is a well-known optical tool for identifying the properties of graphene such as the number of layers, carrier concentration, and strain.Interaction between incident light and a metallic nanoparticle such as gold or silver enhances the intensity of light, which can be used in Raman scatter…
Magnetic nanoparticles of Fe3O4 enhance docetaxel-induced prostate cancer cell death
Akiko Sato,1 Naoki Itcho,1 Hitoshi Ishiguro,2,3 Daiki Okamoto,1 Naohito Kobayashi,4 Kazuaki Kawai,5 Hiroshi Kasai,5 Daisuke Kurioka,1 Hiroji Uemura,2 Yoshinobu Kubota,2 Masatoshi Watanabe11Laboratory for Medical Engineering, Division of Materials Science and Chemical Engineering, Graduate School of Engineering, Yokoha…
Experimental study of surface roughness effects on wettability
In this paper, we present a method to fabricate aluminum alloy 5083 surfaces with different surface roughness using reciprocating type high speed wire cut electrical discharge machining (HS-WEDM). Observe the processed surface by ultra-depth three-dimensional scanning system, obviously notice that craters and bumps we…
New Ultra-High Resolution SEM for Imaging by Low Energy Electrons
Extended abstract of a paper presented at Microscopy and Microanalysis 2013 in Indianapolis, Indiana, USA, August 4 – August 8, 2013.
FIB-TOF Tomography of Solid Oxide Fuel Cells
Extended abstract of a paper presented at Microscopy and Microanalysis 2013 in Indianapolis, Indiana, USA, August 4 – August 8, 2013.
Results of a pnCCD Based Ultrafast Direct Single Electron Imaging Camera for Transmission Electron Microscopy
Extended abstract of a paper presented at Microscopy and Microanalysis 2013 in Indianapolis, Indiana, USA, August 4 – August 8, 2013.
The Influence of Oxalate-Promoted Growth of Saponite and Talc Crystals on Rectorite: Testing the Intercalation-Synthesis Hypothesis of 2:1 Layer Silicates
Abstract The intercalating growth of new silicate layers or metal hydroxide layers in the interlayer space of other clay minerals is known from various mixed-layer clay minerals such as illite-smectite (I-S), chlorite-vermiculite, and mica-vermiculite. In a recent study, the present authors proposed that smectite-grou…
Spin, charge, and orbital orderings in iron-based superconductors
In this article, we briefly review spin, charge, and orbital orderings in iron-based superconductors, as well as the multi-orbital models. The interplay of spin, charge, and orbital orderings is a key to understand the high temperature superconductivity. As an illustration, we use the two-orbital model to show the spi…
The Effect of Various Catalyzers on Transesterification in Reactive Blending PC/PLA Blends
Polycarbonate/Poly (lactic acid) blends were prepared through melt blending at the present of different kinds of organotin catalyzers such as monobutyltin oxide (MBTO), di-n-butyltinoxide (DBTO), di-n-octyltin oxide (DOTO), and dibutyltin dilaurate (DBTL). The effect of kind and mass of catalyzers on the properties of…
Direct Observation of Cationic Ordering in Double Perovskite Sr2FeReO6 Crystals
Two kinds of Sr₂FeReO₆ (SFRO) samples, pristine SFRO and Re-excess SFRO, were prepared and we visualized the local atomic structure in terms of cationic ordering in the prepared SFRO samples via high-angle annular dark-field (HAADF) scanning transmission electron microscopy (STEM). HAADF-STEM results demonstrated the…