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6 papers
An efficient algorithm to calculate intrinsic thermoelectric parameters based on Landauer approach
Abhijeet Paul, Shuaib Salamat, Changwook Jeong +2
The Landauer approach provides a conceptually simple way to calculate the intrinsic thermoelectric (TE) parameters of materials from the ballistic to the diffusive transport regime…
Relating electronic structure to thermoelectric device performance
Shuaib Salamat, Abhijeet Paul, Mehdi Salmani-Jelodar +3
Realistic thermoelectric modeling and simulation tools are needed to explain the experiments and for device design. In this paper, we present a simple computational technique to ma…
On the Best Bandstructure for Thermoelectric Performance
Changwook Jeong, Raseong Kim, Mark Lundstrom
The conventional understanding that a bandstructure that produces a Dirac delta function transport distribution (or transmission in the Landauer framework) maximizes the thermoelec…
Landauer vs. Boltzmann and Full Dispersion vs. Debye Model Evaluation of Lattice Thermal Conductivity
Changwook Jeong, Supriyo Datta, Mark Lundstrom
Using a full dispersion description of phonons, the thermal conductivities of bulk Si and Bi2Te3 are evaluated using a Landauer approach and related to the conventional approach ba…
On Landauer vs. Boltzmann and Full Band vs. Effective Mass Evaluation of Thermoelectric Transport Coefficients
Changwook Jeong, Raseong Kim, Mathieu Luisier +2
The Landauer approach to diffusive transport is mathematically related to the solution of the Boltzmann transport equation, and expressions for the thermoelectric parameters in bot…
On momentum conservation and thermionic emission cooling
Raseong Kim, Changwook Jeong, Mark S. Lundstrom
The question of whether relaxing momentum conservation can increase the performance of thermionic cooling device is examined. Both homojunctions and heterojunctions are considered.…