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1–3 piezocomposites that can operate at over 30 MHz are in demand to improve spatial resolution on a sub-millimetre level for biomedical ultrasound imaging applications. However, the fabrication of such materials remains a challenge as ultrafine dimensions are required in conventional composite designs. We have previously reported the design of randomised composites to eliminate coupling to lateral...
A lithography-free microchannel fabrication process with controlled pattern is demonstrated via the combination of Near Field Electrospinning (NFES) and molding of polydimethysiloxane (PDMS). Electrospun polymer fibers (1–10µm in width, 0.5–4µm in height) were patterned onto a silicon substrate to serve as the template. Microfluidic devices with parallel and grid-pattern microchannels were created...
In this letter, we present SONOS nonvolatile memory device with gate-all-around polycrystalline silicon (poly-Si) nanowire channel. The SONOS memory cell with 23-nm nanowire width, fabricated using top-down CMOS process, exhibits fast programming and erasing speed as well as improved subthreshold behavior of the transistor. Both the memory and transistor characteristics are dependent on the nanowire...
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