منابع مشابه
Fabrication of Free-Standing Tungsten-Nanowhiskers on SiO2 Substrates with Electron-Beam Induced Deposition
Free-standing tungsten-nanowhiskers about 3 nm in thickness were fabricated on SiO2 substrates with electron-beam induced deposition in a transmission electron microscope operated at 400 kV at room temperature. The growth process of the nanowhisker was observed in-situ and analyzed. The nanowhisker was characterized with high-resolution transmission electron microscopy. Nucleus-deposits smaller...
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We synthesized superconducting fullerene nanowhiskers (C(60)NWs) by potassium (K) intercalation. They showed large superconducting volume fractions, as high as 80%. The superconducting transition temperature at 17 K was independent of the K content (x) in the range between 1.6 and 6.0 in K-doped C(60) nanowhiskers (K(x)C(60)NWs), while the superconducting volume fractions changed with x. The hi...
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C60 whiskers exhibit increasing conductivity with decreasing diameter. At diameters of 1 μm and below, a single-crystal structure predominates, and enhanced electrical characteristics are expected; however, no supporting data exists in the literature. Here, results of four-point probe measurements on C60 whiskers and nanowhiskers with diameters in the range 650 nm to 1.3 μm are reported for the...
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Due to the ever-increasing global demand for materials, international dependence on conventional petroleum resources and environmental concerns, there is considerable interest in the development of alternative and sustainable products, manufactured by green technologies. In an effort to address these challenges, cellulose, the most globally abundant naturally occurring polymer has attracted sig...
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Calcium phosphate [single-phase hydroxyapatite (HA), single-phase tricalcium phosphate (TCP), and biphasic HA-TCP] nanowhiskers and/or powders were produced by using a novel microwave-assisted “combustion synthesis (auto ignition)/molten salt synthesis” hybrid route. This work is an example of our “synergistic processing” philosophy combining these three technologies while taking advantage of t...
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ژورنال
عنوان ژورنال: Journal of Physics: Conference Series
سال: 2008
ISSN: 1742-6596
DOI: 10.1088/1742-6596/100/5/052052