Phonon drag
A heat current of phonons sweeps charge carriers along with it, adding a large low-temperature contribution to the thermopower of semiconductors.
Atlas record: 3 claims reference this phenomenon — 3 established.
Explorerelations · matrix context · routes · sources · cite
Relations
- a phonon heat current in a semiconductor at low temperature
Matrix context
D = disequilibrium row · C = coupling family column. A cell reads the state of the atlas for that pair.
Enumerated routes through this · 8
- Temperature gradient → Heat conduction → Phonons → Phonon drag → Charge carriers → Electrical work5/5 est · candidate
- Chemical potential difference → Combustion → Temperature gradient → Heat conduction → Phonons → Phonon drag → Charge carriers → Electrical work7/7 est · candidate
- Electric potential difference → Peltier effect → Temperature gradient → Heat conduction → Phonons → Phonon drag → Charge carriers → Electrical work7/7 est · same energy form
- Electric potential difference → Ettingshausen effect → Temperature gradient → Heat conduction → Phonons → Phonon drag → Charge carriers → Electrical work7/7 est · same energy form
- Incident radiation flux → Photothermal absorption → Temperature gradient → Heat conduction → Phonons → Phonon drag → Charge carriers → Electrical work7/7 est · candidate
- Radiative imbalance with the sky → Radiative sky cooling → Temperature gradient → Heat conduction → Phonons → Phonon drag → Charge carriers → Electrical work7/7 est · candidate
- Nuclear binding-energy difference → Nuclear fission → Temperature gradient → Heat conduction → Phonons → Phonon drag → Charge carriers → Electrical work7/7 est · candidate
- Nuclear binding-energy difference → Nuclear fusion → Temperature gradient → Heat conduction → Phonons → Phonon drag → Charge carriers → Electrical work5/7 est · candidate
Cited sources · 3
- [1]C. Herring. Theory of the thermoelectric power of semiconductors (1954)
- [2]H. J. Goldsmid. Introduction to Thermoelectricity (2nd ed.) (2016)
- [3]A. S. Yalamarthy et al.. Significant Phonon Drag Enables High Power Factor in the AlGaN/GaN Two-Dimensional Electron Gas (2019)
Cite this entity
Physical Transformation Atlas (2026). entity phenomenon:phonon-drag: Phonon drag. Dataset revision rbfbfcbb70e57 (hash of the canonical data). https://physical-transformation-atlas.wldud5192.workers.dev/phenomenon/phonon-drag
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