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Article
Ultrabright and monochromatic nanowire electron sources
The resolution of the electron microscope is now largely limited by the performance of its electron source when various aberrations in the electron imaging system, especially spherical aberrations, are correct...
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Article
Synthesis and characterization of single crystalline GdB44Si2 nanostructures
GdB44Si2 is an excellent thermoelectric material, and nanostructured GdB44Si2 makes it possible to potentially improve its properties further. GdB44Si2 nanowires and nanobelts have been fabricated by chemical vap...
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Article
Nano-Flower MnO2 Coated Graphene Composite Electrodes for Energy Storage Devices
Graphene, two-dimensional layers of sp2-bonded carbon, has many unique properties. In this paper, graphene is decorated with flower-like MnO2 nanostructures for the application in energy storage devices. The as-p...
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Article
Electrical Resistance of Single-Wall Carbon Nanotubes with Determined Chiral Indices
The properties of a carbon nanotube (CNT), in particular a single-wall carbon nanotube (SWNT), are highly sensitive to the atomic structure of the nanotube described by its chirality (chiral indices). We have ...
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Article
LaB6 Nanowires and Their Field Emission Properties
For field-induced electron emission, the two factors that enable a high emission current density at low applied voltages are (a) low work function of the emitter and (b) sharpness of the emitter tip. We have d...
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Article
Twisting of Single-Walled Carbon Nanotube Bundles
Bundles of single-walled carbon nanotubes produced by laser ablation are often seen twisted in morphology, forming nanoropes which would better suit the function for improvement of structural stability in mech...
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Article
Morphology and Electron Emission Properties of Nanocrystalline CVD Diamond Thin Films
Nanocrystalline diamond thin films have been produced by microwave plasma-enhanced chemical vapor deposition (MPECVD) using C60/Ar/H2 or CH4/Ar/H2 plasmas. Films grown with H2 concentration ≤ 20% are nanocrystall...