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Devices and structures

Devices and structures

NASA scientists design a nanoscale complementary vacuum field emission transistor

22 Dec 2020 Hamish Johnston

Jin-Woo Han is senior scientist at NASA’s Ames Research Center in California’s Silicon Valley. Along with colleagues Meyya Meyyappan, Myeong-Lok Seol and Jungsik Kim, he has designed a nanoscale complementary vacuum field emission transistor (VFET). In this interview Han explains why his team is interested in VFETs and the challenges involved in creating the devices

Jin-Woo Han
Jin-Woo Han: the NASA scientist and his colleagues have designed a nanoscale complementary vacuum field emission transistor. (Courtesy: NASA)
What is a VFET? A vacuum field emission transistor (VFET), also known as nanoscale vacuum channel tr

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