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The magnetically insulated transmission line oscillator (MILO) is a promising high power microwave (HPM) source. The advantages of the MILO are the high power output, stable operation, self-magnetic insulation and the compact configuration, which attract the attention of many researchers. The investigated MILO covers the frequency from L-band, S-band, C-band, X-band to Ku-band. Increasing the output...
The prevailing techniques currently involved in the fabrication of gate aperture arrays for high-density Spindt cathodes are expensive, time consuming and low-throughput, which limits the potential usage of Spindt cathodes in the microwave electro-vacuum devices in future. In this work, we applied nanosphere lithography technique to fabricate periodic gate aperture arrays for high-density Spindt cathodes...
Needle-like nickel nanoparticles with a diameter of 6–18 nm and a length of 100 nm have been prepared in the cationic w/o microemulsion of water/CTAB, n-butanol/n-octane by reduction of nickel chloride with hydrazine hydrate. X-ray diffraction (XRD) and transmission electron microscope (TEM) characterizations indicated that these nickel nanocrystallites were needle-shaped with a face-centered cubic...
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