Materials Literature
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Porous carbons (PCs) including microporous and mesoporous carbons for supercapacitors were made from rice husk through zinc chloride (ZnCl2) activation in one-step by microwave heating with microwave power at 600 W at 20 min heating time. PCs were characterized by field emission scanning electron microscope, transmiss…
Tumor is an ensemble performance of tumor cells, the surrounding stromal cells and non-cellular components. Since tumor microenvironment plays fundamental roles in tumor growth and metastasis, emerging studies have been investigating diagnostic and therapeutic agents which can target or regulate the tumor stroma. Canc…
The study was aimed at determining the influence of Micro-emulsified ethanol-diesel fuel on specific fuel consumption, heat release rate and emissions of engine. The engine tests were performed on a four-cylinder, water-cooled, natural aspirated diesel engine. Using E0 (neat diesel fuels), E6(S), E11(S) and E11(C). Th…
China reduced-activation ferritic/martensitic steel is irradiated at 773 K with 792 MeV Ar-ions to fluences of 2.3×1020 and 4.6×1020 ions/m2, respectively. The variation of the microstructures of the Reduced-activation ferritic/martensitic (RAFM) steel samples with the Ar-ion penetration depth is investigated using a…
Piezoelectric force microscopy (PFM) has been used to perform nanoscale studies of the domain configuration and switching behavior of the BiFeO3 (BFO) thin film deposited on a Pt/Ti/SiO2/Si (111) substrate using the rf magnetron sputtering technique. The PFM images illustrated the complete domain configuration. The el…
Extended abstract of a paper presented at Microscopy and Microanalysis 2013 in Indianapolis, Indiana, USA, August 4 – August 8, 2013.
We investigate the formations of wurtzite (WZ) SiC nano polytypes in zinc blende (ZB) SiC nanofilms hetero-grown on Si-(100) substrates via low pressure chemical vapor deposition (LPCVD) by adjusting the Si/C ratio of the introduced precursors. Through SEM, TEM, and Raman characterizations, we find that the nanofilms…
Extended abstract of a paper presented at Microscopy and Microanalysis 2013 in Indianapolis, Indiana, USA, August 4 – August 8, 2013.
Extended abstract of a paper presented at Microscopy and Microanalysis 2013 in Indianapolis, Indiana, USA, August 4 – August 8, 2013.
The electronic structure, magnetic and half-metal properties of inorganic-organic hybrid compound [C 4 N 2 H 12 ][Fe II 4 (HPO 3 ) 2 (C 2 O 4 ) 3 ] are investigated by using the full-potential linearized augmented plane wave (FPLAPW) method within density-functional theory (DFT) calculations. The density of states (DO…
Extended abstract of a paper presented at Microscopy and Microanalysis 2013 in Indianapolis, Indiana, USA, August 4 – August 8, 2013.
A sawtooth-shaped electron blocking layer is proposed to improve the performance of light-emitting diodes (LEDs). The energy band diagram, the electrostatic field in the quantum well, the carrier concentration, the electron leakage, and the internal quantum efficiency are systematically studied. The simulation results…
The origin of magneto-conductance (MC) in tri-(8-hydroxyquinoline)-aluminum (Alq 3 )-based organic light emitting diodes is investigated. Our results clearly show that the generated MC is related to the singlet polaron pair dissociation. Further studies on the MC in an electron blocking layer N,N'-bis(lnaphthyl)-N,N'-…
Fe/(Ga, Mn)As heterostructures were fabricated by all molecular-beam epitaxy. Double-crystal X-ray diffraction and high-resolution cross-sectional transmission electron micrographs show that the Fe layer has a well ordered crystal orientation and an abrupt interface. The different magnetic behavior between the Fe laye…
Extended abstract of a paper presented at Microscopy and Microanalysis 2013 in Indianapolis, Indiana, USA, August 4 – August 8, 2013.
Extended abstract of a paper presented at Microscopy and Microanalysis 2013 in Indianapolis, Indiana, USA, August 4 – August 8, 2013.
We investigate the electronic structures and magnetic properties of ZnO doped with N, Cu, and (Cu+N) by using a first principles method and considering the strong correlation effect. It is interesting to compare these three systems. ZnO:N has weak p-type doping and unstable ferromagnetism, while ZnO:Cu becomes insulat…
Introduction Some commonly used coating processes such as High Velocity Oxy-Fuel Gun1-2, Plasma Spray3-5, Detonation Spray Coating6-8, Laser surface alloying and cladding9 are widely used in various industries for enhancing the life of critical components. These processes modify the tribological properties or corrosio…
In order to exploit the high current carrying capacity of Carbon Nanotubes (CNTs), it is important to maximize current density J by controlling screening as well as the emitter density. A model is developed in MATLAB to calculate the current density from an array of nanotube bundlestaking into account both the effect…
This research is interest in increasing the strength of spot welding joint for thin commercial Aluminum by adding casting component to the welding zone in the form of powder. Those components are copper, manganese and magnesium which are added in a different percentages it appear that the strength of the spot welding…