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4 papers · 2 filters
Effects of Confinement and Orientation on the Thermoelectric Power Factor of Silicon Nanowires
Neophytos Neophytou, Hans Kosina
It is suggested that low dimensionality can improve the thermoelectric (TE) power factor of a device, offering an enhancement of the ZT figure of merit. In this work the atomistic…
Intrinsic response time of graphene photodetectors
Alexander Urich, Karl Unterrainer, Thomas Mueller
Graphene-based photodetectors are promising new devices for high-speed optoelectronic applications. However, despite recent efforts, it is not clear what determines the ultimate sp…
Thermoelectric Properties of Scaled Silicon Nanowires Using the sp3d5s*-SO Atomistic Tight-Binding Model and Boltzmann Transport
Neophytos Neophytou, Hans Kosina
As a result of suppressed phonon conduction, large improvements of the thermoelectric figure of merit, ZT, have been recently reported for nanostructures compared to the raw materi…
Subband engineering for p-type silicon ultra-thin layers for increased carrier velocities: An atomistic analysis
Neophytos Neophytou, Gerhard Klimeck, Hans Kosina
Ultra-thin-body (UTB) channel materials of a few nanometers in thickness are currently considered as candidates for future electronic, thermoelectric, and optoelectronic applicatio…