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Accurate modeling of charge transport and both thermal and luminescent radiation is crucial to the understanding and design of radiative thermal energy converters. Charge carrier dynamics in semiconductors are well-described by the…

Mesoscale and Nanoscale Physics · Physics 2021-07-13 William A. Callahan , Dudong Feng , Zhuomin M. Zhang , Eric S. Toberer , Andrew J. Ferguson , Eric J. Tervo

The thermal subsystem of the Mars Express (MEX) spacecraft keeps the on-board equipment within its pre-defined operating temperatures range. To plan and optimize the scientific operations of MEX, its operators need to estimate in advance,…

Thermal-electric conversion is crucial for smart energy control and harvesting, such as thermal sensing and waste heat recovering. So far, people are aware of two main ways of direct thermal-electric conversion, Seebeck and pyroelectric…

Mesoscale and Nanoscale Physics · Physics 2023-08-09 Jie Ren

This paper investigates the kinetics of buffer trapping in GaN-based normally-off high-voltage transistors. The analysis was carried out on transfer-length method (TLM) structures. By means of a custom setup, (i) we investigated the…

Applied Physics · Physics 2021-12-21 A. Nardo , C. De Santi , C. Koller , C. Ostermaier , I. Daumiller , G. Meneghesso , E. Zanoni , M. Meneghini

In this work, the thermionic cooling effect during thermionic discharges with parallel plate electrodes at 1 Torr is investigated. Time-resolved observation of electron emission and surface temperature is realized in addition to the typical…

Plasma Physics · Physics 2024-03-11 Junhwi Bak , Albina Tropina , James Creel , Richard B. Miles

We investigate the thermopower of a metal-molecule-metal junction taking into account thermal effects on the junction. Based on analytical expressions and numerical simulations we show that the thermoelectric potential reveals valuable…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Dvira Segal

As the cost of renewable energy falls below fossil fuels, the most important challenge to enable widespread sustainable power generation has become making renewables dispatchable. Low cost energy storage can provide this dispatchability,…

Applied Physics · Physics 2018-06-19 Caleb Amy , Hamid Reza Seyf , Myles A. Steiner , Daniel J. Friedman , Asegun Henry

During recent years, microelectronics helped to develop complex and varied technologies. It appears that many of these technologies can be applied successfully to realize Seebeck micro generators: photolithography and deposition methods…

Other Computer Science · Computer Science 2007-11-29 Guillaume Savelli , Marc Plissonnier , Jacqueline Bablet , C. Salvi , J. M. Fournier

By converting waste heat into electricity through the thermoelectric power of solids without producing greenhouse gas emissions, thermoelectric generators could be an important part of the solution to today's energy challenge. There has…

Materials Science · Physics 2011-06-07 Jin-Cheng Zheng

This paper discusses how classical transport theories such as the thermionic emission, can be used as a powerful tool for the study and the understanding of the most complex mechanisms of transport in Fin Field Effect Transistors (FinFETs).…

Mesoscale and Nanoscale Physics · Physics 2011-11-28 G. C. Tettamanzi , A. Paul , S. Lee , G. Klimeck , S. Rogge

Near-field energy coupling between two surfaces may arise from frustrated total-internal-reflectance and from atomic dipole-dipole interaction. Such an exchange of energy, if at resonance, greatly enhances the radiation transfer between an…

General Physics · Physics 2009-11-05 A. Meulenberg , K. P. Sinha

Exploring nonequilibrium hot carriers from plasmonic metal nanostructures is a dynamic field in optoelectronics, driving photochemical reactions such as solar fuel generation. The hot carrier injection mechanism and the reaction rate are…

Nanocomposites are promising candidates for the next generation of thermoelectric materials since they exhibit extremely low thermal conductivities as a result of phonon scattering on the boundaries of the various material phases. The…

Mesoscale and Nanoscale Physics · Physics 2017-12-06 Samuel Foster , Mischa Thesberg , Neophytos Neophytou

A theory is developed to describe the coupled transport of energy and charge in networks of electron donor-acceptor sites which are seated in a thermally heterogeneous environment, where the transfer kinetics are dominated by Marcus-type…

Mesoscale and Nanoscale Physics · Physics 2019-08-02 Galen T. Craven , Abraham Nitzan

Radiative heat transfer between parallel objects separated by deep sub-wavelength distances and subject to large thermal gradients (>100 K) could enable breakthrough technologies for electricity generation and thermal transport control.…

Mesoscale and Nanoscale Physics · Physics 2016-06-22 Raphael St-Gelais , Linxiao Zhu , Shanhui Fan , Michal Lipson

We present an overview of recent advances in the study of energy dynamics and mechanisms for energy conversion in qubit systems with special focus on realizations in superconducting quantum circuits. We briefly introduce the relevant…

Quantum Physics · Physics 2023-02-01 Liliana Arrachea

Nanogap thermophotovoltaic (TPV) devices can deliver high power densities even with the medium-temperature heat sources. As such, these devices are very promising for recovering industrial waste heat. So far, the demonstrated nanogap TPVs…

Optics · Physics 2026-05-06 Mehran Habibzadeh , Sheila Edalatpour

An experimental realization of a heat exchanger with commercial thermoelectric generators (TEGs) is presented. The power producing capabilities as a function of flow rate and temperature span are characterized for two different commercial…

Instrumentation and Detectors · Physics 2016-05-10 R. Bjørk , A. Sarhadi , N. Pryds , N. Lindeburg , P. Viereck

The thermoelectric efficiency of semiconductors is usually considered in the ohmic electronic transport regime, which is achieved through high doping. Here we consider the opposite regime of low doping where the current-voltage…

Materials Science · Physics 2012-10-01 François Léonard

High-performance computing underpins modern artificial intelligence (AI), enabling foundation models, real-time inference and perception in autonomous systems, and data-intensive scientific simulations. Recent advances in quantization…