Phonon-Assisted Ballistic Current from First-Principles Calculations

The bulk photovoltaic effect (BPVE) refers to current generation due to illumination by light in a homogeneous bulk material lacking inversion symmetry. In addition to the intensively studied shift current, the ballistic current, which originates from asymmetric carrier generation due to scattering...

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Bibliographic Details
Published in:Physical review letters 2021-04, Vol.126 (17), p.177403, Article 177403
Main Authors: Dai, Zhenbang, Schankler, Aaron M., Gao, Lingyuan, Tan, Liang Z., Rappe, Andrew M.
Format: Article
Language:English
Subjects:
approximation methods for many-body systems
Barium titanates
Bloch wave theory
Boltzmann theory
Density functional theory
diagrammatic methods
ferroelectrics
First principles
MATERIALS SCIENCE
Phonons
Photoelectric effect
Photoelectric emission
Photovoltaic effect
Scattering
semiconductor compounds
SOLAR ENERGY
wide band gap systems
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