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   Articles with "carrier phonon" as a keyword



Insight into Carrier and Phonon Transports of PbSnS2 Crystals

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recommendations! Published in 2024 at "Advanced Materials"

DOI: 10.1002/adma.202412967

Abstract: The simultaneous optimization of n‐type and p‐type thermoelectric materials is advantageous to the practical application of the device. As an emerging thermoelectric material, PbSnS2 exhibits highly competitive thermoelectric properties due to its unique carrier and… read more here.

Keywords: carrier phonon; type crystals; pbsns2 crystals; type ... See more keywords

Multiscale Microstructures and Carrier-Phonon Decoupling in BiCuSeO-CDs Composites.

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recommendations! Published in 2025 at "Nano letters"

DOI: 10.1021/acs.nanolett.5c01160

Abstract: Owing to the carrier-phonon coupling, the majority of thermoelectric materials such as BiCuSeO adopt the strategy of sacrificing carrier mobility and thermal properties to improve the electrical performance so as to enhance the zT value.… read more here.

Keywords: carrier phonon; carrier; performance; cds composites ... See more keywords

Synergistically Optimized Carrier and Phonon Transport Properties in Bi-Cu2S Coalloyed GeTe.

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recommendations! Published in 2022 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.2c14636

Abstract: GeTe is an emerging lead-free thermoelectric material, but its excessive carrier concentration and high thermal conductivity severely restrict the enhancement of thermoelectric properties. In this study, the synergistically optimized thermoelectric properties of p-type GeTe through… read more here.

Keywords: carrier phonon; carrier; phonon transport; transport properties ... See more keywords

Ultrafast nanometric resolution spatiotemporal measurement of ambipolar diffusivity and carrier-phonon coupling in doped and undoped silicon

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recommendations! Published in 2024 at "Applied Physics Letters"

DOI: 10.1063/5.0205647

Abstract: Understanding and determination of the ambipolar diffusivity of a semiconductor is fundamental for predicting device behavior and optimizing its performance. Ultrafast pump-probe measurements allow for the determination of energy carrier dynamics with sub-picosecond resolution. Due… read more here.

Keywords: carrier; resolution; ambipolar diffusivity; carrier phonon ... See more keywords

A Deterministic and Self-Consistent Solver for the Coupled Carrier-Phonon System in SiGe HBTs

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recommendations! Published in 2017 at "IEEE Transactions on Electron Devices"

DOI: 10.1109/ted.2016.2640343

Abstract: A stationary deterministic solver based on a spherical harmonics expansion of the Boltzmann transport equations for electrons, holes, and phonons is presented to study self-heating in ultrascaled bipolar transistors. With the electrothermal device simulator, a… read more here.

Keywords: phonon system; solver; self consistent; carrier ... See more keywords