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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Musho, T. D. Walker, D. G. |
| Copyright Year | 2009 |
| Abstract | For the past few years, nanoscale structures have been proposed and investigated experimentally for their enhanced thermoelectric properties over bulk materials. These structures offer several advantages: 1) increased local density of states, which can improve the Seebeck coefficient and 2) reduced thermal transport due to phonon confinement and increased scattering. Recently, nanocrystalline composites (NCC) have been examined for their ability to outperform the alloy limit in terms of reduced thermal conductivity. However, the electrical performance has not been examined from a quantum point of view. This work provides quantum simulations of a two-dimensional composite system meant to model certain geometric features of NCC’s. While the results cannot be quantitatively compared to actual measurements, they show how their electrical behavior differs from well-known superlattice devices. This work will aid in the design of the next generation of NCC devices for thermoelectric performance. |
| Sponsorship | Electronic and Photonic Packaging Division |
| Starting Page | 171 |
| Ending Page | 175 |
| Page Count | 5 |
| File Format | |
| ISBN | 9780791843604 |
| DOI | 10.1115/InterPACK2009-89332 |
| e-ISBN | 9780791838518 |
| Volume Number | ASME 2009 InterPACK Conference, Volume 2 |
| Conference Proceedings | ASME 2009 InterPACK Conference collocated with the ASME 2009 Summer Heat Transfer Conference and the ASME 2009 3rd International Conference on Energy Sustainability |
| Language | English |
| Publisher Date | 2009-07-19 |
| Publisher Place | San Francisco, California, USA |
| Access Restriction | Subscribed |
| Subject Keyword | Bulk solids Radiation scattering Scattering (physics) Alloys Phonons Nanoscale phenomena Density Design Composite materials Simulation Electromagnetic scattering Superlattices Thermal conductivity |
| Content Type | Text |
| Resource Type | Article |
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