Search Results - "Neophytou, Neophytos"

Bipolar conduction asymmetries lead to ultra-high thermoelectric power factor by Graziosi, Patrizio, Li, Zhen, Neophytou, Neophytos

“…Low bandgap thermoelectric materials suffer from bipolar effects at high temperatures, with increased electronic thermal conductivity and reduced Seebeck…”
Get full text

Atomistic simulations of low-field mobility in Si nanowires: Influence of confinement and orientation by Neophytou, Neophytos, Kosina, Hans

Get full text

Thermoelectrics: From history, a window to the future by Beretta, Davide, Neophytou, Neophytos, Hodges, James M., Kanatzidis, Mercouri G., Narducci, Dario, Martin- Gonzalez, Marisol, Beekman, Matt, Balke, Benjamin, Cerretti, Giacomo, Tremel, Wolfgang, Zevalkink, Alexandra, Hofmann, Anna I., Müller, Christian, Dörling, Bernhard, Campoy-Quiles, Mariano, Caironi, Mario

“…Thermoelectricity offers a sustainable path to recover and convert waste heat into readily available electric energy, and has been studied for more than two…”
Get full text

Effects of confinement and orientation on the thermoelectric power factor of silicon nanowires by Neophytou, Neophytos, Kosina, Hans

Get full text

Thermoelectric Properties of InA Nanowires from Full-Band Atomistic Simulations by Archetti, Damiano, Neophytou, Neophytos

“…In this work we theoretically explore the effect of dimensionality on the thermoelectric power factor of indium arsenide (InA) nanowires by coupling atomistic…”
Get full text

Energy Filtering in Doping Modulated Nanoengineered Thermoelectric Materials: A Monte Carlo Simulation Approach by Priyadarshi, Pankaj, Vargiamidis, Vassilios, Neophytou, Neophytos

“…Using Monte Carlo electronic transport simulations, coupled self-consistently with the Poisson equation for electrostatics, we explore the thermoelectric power…”
Get full text

Dislocation loops as a mechanism for thermoelectric power factor enhancement in silicon nano-layers by Bennett, Nick S., Byrne, Daragh, Cowley, Aidan, Neophytou, Neophytos

“…A more than 70% enhancement in the thermoelectric power factor of single-crystal silicon is demonstrated in silicon nano-films, a consequence of the…”
Get full text

Material Descriptors for the Discovery of Efficient Thermoelectrics by Graziosi, Patrizio, Kumarasinghe, Chathurangi, Neophytou, Neophytos

Get full text

Ultra-low thermal conductivities in large-area Si-Ge nanomeshes for thermoelectric applications by Perez-Taborda, Jaime Andres, Muñoz Rojo, Miguel, Maiz, Jon, Neophytou, Neophytos, Martin-Gonzalez, Marisol

“…In this work, we measure the thermal and thermoelectric properties of large-area Si 0.8 Ge 0.2 nano-meshed films fabricated by DC sputtering of Si 0.8 Ge 0.2…”
Get full text

On the channel width-dependence of the thermal conductivity in ultra-narrow graphene nanoribbons by Karamitaheri, Hossein, Neophytou, Neophytos

“…The thermal conductivity of low-dimensional materials and graphene nanoribbons, in particular, is limited by the strength of line-edge-roughness scattering…”
Get full text

Modulation doping and energy filtering as effective ways to improve the thermoelectric power factor by Neophytou, Neophytos, Thesberg, Mischa

“…Thermoelectric (TE) materials have undergone revolutionary progress over the last 20 years. The thermoelectric figure of merit ZT , which quantifies the…”
Get full text

Low-dimensional phonon transport effects in ultranarrow disordered graphene nanoribbons by Karamitaheri, Hossein, Pourfath, Mahdi, Kosina, Hans, Neophytou, Neophytos

“…We investigate the influence of low dimensionality and disorder in phonon transport in ultranarrow armchair graphene nanoribbons (GNRs) using nonequilibrium…”
Get full text

Electron and Hole Mobility of SnO2 from Full-Band Electron–Phonon and Ionized Impurity Scattering Computations by Li, Zhen, Graziosi, Patrizio, Neophytou, Neophytos

“…Mobility is a key parameter for SnO2, which is extensively studied as a practical transparent oxide n-type semiconductor. In experiments, the mobility of…”
Get full text

Gated Si nanowires for large thermoelectric power factors by Neophytou, Neophytos, Kosina, Hans

“…We investigate the effect of electrostatic gating on the thermoelectric power factor of p-type Si nanowires (NWs) of up to 20 nm in diameter in the [100],…”
Get full text

Large Enhancement in Hole Velocity and Mobility in p-Type [110] and [111] Silicon Nanowires by Cross Section Scaling: An Atomistic Analysis by Neophytou, Neophytos, Kosina, Hans

“…The mobility of p-type nanowires (NWs) with diameters of D = 12 nm down to D = 3 nm in [100], [110], and [111] transport orientations is calculated. An…”
Get full text

Efficient first-principles electronic transport approach to complex band structure materials: the case of n-type Mg3Sb2 by Li, Zhen, Graziosi, Patrizio, Neophytou, Neophytos

“…We present an efficient method for accurately computing electronic scattering rates and transport properties in materials with complex band structures. Using…”
Get full text

Hierarchically nanostructured thermoelectric materials: challenges and opportunities for improved power factors by Neophytou, Neophytos, Vargiamidis, Vassilios, Foster, Samuel, Graziosi, Patrizio, de Sousa Oliveira, Laura, Chakraborty, Dhritiman, Li, Zhen, Thesberg, Mischa, Kosina, Hans, Bennett, Nick, Pennelli, Giovanni, Narducci, Dario

“…The field of thermoelectric materials has undergone a revolutionary transformation over the last couple of decades as a result of the ability to nanostructure…”
Get full text

Performance Projections for Ballistic Graphene Nanoribbon Field-Effect Transistors by Liang, Gengchiau, Neophytou, Neophytos, Nikonov, Dmitri E., Lundstrom, Mark S.

“…The upper limit performance potential of ballistic carbon nanoribbon MOSFETs (CNR MOSFETs) is examined. Calculation of the bandstructure of nanoribbons using a…”
Get full text

Hole mobility increase in ultra-narrow Si channels under strong (110) surface confinement by Neophytou, Neophytos, Kosina, Hans

“…We report on the hole mobility of ultra-narrow [110] Si channels as a function of the confinement length scale. We employed atomistic bandstructure…”
Get full text

Bandstructure Effects in Silicon Nanowire Electron Transport by Neophytou, N., Paul, A., Lundstrom, M.S., Klimeck, G.

“…Bandstructure effects in the electronic transport of strongly quantized silicon nanowire field-effect-transistors (FET) in various transport orientations are…”
Get full text