In Situ Investigation of the Carbothermal Reduction of ZnO Nanowires
Jingyue (Jimmy) Liu, Lawrence F Allard; In Situ Investigation of the Carbothermal Reduction of ZnO Nanowires, Microscopy and Microanalysis, Volume 20, Issu
Materials Literature
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Surface Decorations of Al-Cu-Fe and Al-Cu-Co Single Quasicrystals
We studied surface decorations of faceted icosahedral AlCuFe and decagonal AlCuCo single quasicrystals by the scanning electron microscopy using primary and secondary electrons. Both types of single quasicrystals exhibited decorations on their facets, however the character of the decorations was totally dierent. Three…
Effect of indium concentration on optical and electrical properties of in doped ZnO thin films for gas sensing application
The deposition of Indium doped ZnO thin films using sol gel spin coating technique will be discussed in this paper. The concentrations of indium doping of the thin films were varied from 1.0-5.0 at. % indium. The effect of various doping concentrations 1.0-5.0 at. % indium on electrical, optical properties and gas sen…
AlN-TiB2-TiSi2 coatings obtained by pulsed magnetron sputtering
AlN-TiB 2 composite ceramic samples with a TiSi 2 additive are obtained by magnetron sputtering. After deposition, ordered regions in the coatings measure 1 nm across, so that they can be categorized as amorphous-like. Annealing at 900 and 1300°C causes crystallization with grain sizes of 11 and 25 nm, respectively. H…
Fabrication and Thermophysical Properties of Nickel-coated Aluminum Powder by Electroless Plating
본 연구에서는 고에너지 알루미늄 분말의 점화성 향상을 위해 자연상태 알루미나 산화막을 화학적으로 제거하고 니켈 코팅을 수행하였다. 니켈 코팅은 무전해 방법을 사용하였으며 SEM/EDS에 의한 표면 분석을 통해 시간에 따른 니켈 코팅 정도를 정성 정량적으로 확인하였다. 또한 XRD에 의한 화학종 분석과 TGA/DSC를 이용한 공기 환경 내에서의 열물성 분석을 수행하였고 이를 통해 공기 산화제 분위기에서의 니켈 코팅 된 알루미늄 분말의 점화촉진 메커니즘을 설명하였다. 이러한 결과를 통해 니켈 코팅 된 알루미늄이 코팅 되지 않은 알루미늄보다 좋은 점화성을 갖는 것을 정성…
Comfort and Mechanical Properties of Cotton and Cotton Blended KnittedKhadiFabrics
Main aim of present study was to develop hosiery material for khadi cottage industry. Hand spun cotton and cotton: polyester yarns were utilized to construct knit fabric in manually operated knitting machine. Plain knit and rib knit fabrics (1x1, 2x2) were developed in flat bed cotton hosiery machine of 14 gauge 40 in…
Reversible In-Situ TEM Electrochemical studies of Fluoride Ion Battery
Venkata Sai Kiran Chakravadhanula, Mohammed Hammad Fawey, Christian Kuebel, Torsten Scherer, Carine Rongeat, Anji Reddy Munnangi, Maximilian Fichtner, Hors
Engineering large gelatin nanospheres coated with quantum dots for targeted delivery of human osteosarcoma with enhanced cellular internalization
Due to the special structures of cell membrane, good internalization is one of major concerns on using large nanospheres as carriers for labeling and treatment of cancer. We herein report fluorescent gelatin nanosphers (GNs) coated with CdSe/ZnS quantum dots (QDs) to form a viable vehicle for theranostic applications.…
Nonlinear free vibration analysis of a double-walled carbon nanotube
Free vibration analysis of a double-walled carbon nanotube (DWCNT) is performed where the surrounding medium has been modeled employing a Winkler model. The nonlinear differential equation of motion is derived for both layers of the nanotube by using an analytical method. In order to solve the coupled nonlinear differ…
In-situ TEM study of the Corrosion Behavior of Zry-4
Wayne Harlow, Hessam Ghassemi, Mitra L Taheri; In-situ TEM study of the Corrosion Behavior of Zry-4, Microscopy and Microanalysis, Volume 20, Issue S3, 1 A
Decellular biological scaffold polymerized with PEDOT for improving peripheral nerve interface charge transfer
Regenerative peripheral nerve interfaces (RPNIs) are for signal transfer between peripheral nerves inside the body to controllers for motorized prosthetics external to the body. Within the residual limb of an amputee, surgical construction of a RPNI connects a remaining peripheral nerve and spare muscle. Nerve signals…
Sampling current ratio bridge for calibration of current transducers up to 10 kA with 5 ppm uncertainty
A sampling current ratio bridge has been developed, tested and validated for the accurate complex ratio measurement of AC current transducers for primary currents up to 10 kA with expanded uncertainties of 5 · 10-6in magnitude and 5 μrad in phase (k = 2). A unique property of the system is the use of digitizers for sa…
Focused Ion Beam Direct Write Nanofabrication of Surface Phonon Polariton Metamaterial Nanostructures
N D Bassim, A Giles, J D Caldwell, L E Ocola; Focused Ion Beam Direct Write Nanofabrication of Surface Phonon Polariton Metamaterial Nanostructures, Micros
Residual Stresses of Explosion Cladded Composite Plates of ZERON 100 Superduplex Stainless Steel and ASTM SA516-70 Carbon Steel
In the present work bimetal composite plates of ZERON 100 superduplex stainless steel and ASME SA516-70 carbon steel were produced by explosion welding and submitted to post weld heat treatment for stress relief. The cross section microstructure of the cladded plates was characterized by optical microscopy and scannin…
Synthesis and Characterization of Mineral Wollastonite Particulate Filled Vinyl-Ester Resin Composites
In the present research presents influence of coupling agent 1 % triethoxymethyl silane sprayed on to the wollastonite particulate powder before it dispersed into the vinylester/composites. Firstly two different composites were developed in which wollastonite is filled with vinylester resin and same wollastonite was s…
Tritium and helium analyses in thin films by enhanced proton backscattering
In order to study how to reliably perform quantitative tritium and helium analyses in thin film samples using enhanced proton backscattering (EPBS), several EPBS spectra for some samples consisting of non-RBS light elements (i.e., T, 4 He, 12 C, 16 O, nat Si), medium and heavy elements have been measured and analyzed…
CABSR: Congestion Agent Based Source Routing for Network-on-Chip
Network-on-chip (NoC) has recently emerged as a primary paradigm for interconnecting ever increasing number of on-chip cores in future chip-multiprocessors (CMPs). As the advent of big data era, high volume of traffic injection, combined with the ever-changing patterns will exert severe pressure on some hotspots, lead…
Theoretic optimisation of microfluidic and magnetic self‐assembly of carbon nanotubes
In this reported work, a magnetic and fluidic analysis has been performed to theoretically analyse the self‐assembly mechanism of carbon nanotubes (CNTs) and to characterise the assembling environments for the high‐density integration of individual CNTs. In previous work by the present author, the residual iron (Fe) c…
Surface plasmon resonances on cones and wedges
We consider the hypersingular plasmonic surface modes that are supported by a 3D negative-permittivity circular conical tip and study how their occurrence depends on the opening angle and permittivity of the cone. A comparison to a 2D wedge is made.
An Experimental Study on Production of Silica Aero-Gel Using Fly Ash from Coal-Fired Power Plants
silica aero-gels were synthesized from coal fly ash at ambient pressure. The experimental procedure for silica aero-gels production included alkali dissolution of fly ash, surface hydrophobic treatment of the wet-gel, followed by drying of the wet-gel samples at ambient pressure wasinvestigated. Optimized experimental…