Polarons in materials

C Franchini, M Reticcioli, M Setvin… - Nature Reviews Materials, 2021 - nature.com
Polarons are quasiparticles that easily form in polarizable materials due to the coupling of
excess electrons or holes with ionic vibrations. These quasiparticles manifest themselves in …

Evaluation of polaron transport in solids from first‐principles

Y Natanzon, A Azulay, Y Amouyal - Israel Journal of Chemistry, 2020 - Wiley Online Library
Polarons are formed in polar or ionic solids, either molecular or crystalline, due to local
distortions of the lattice induced by charge carriers. Polaron hopping is the primary …

Electron–phonon physics from first principles using the EPW code

H Lee, S Poncé, K Bushick, S Hajinazar… - npj Computational …, 2023 - nature.com
EPW is an open-source software for ab initio calculations of electron–phonon interactions
and related materials properties. The code combines density functional perturbation theory …

The significance of polarons and dynamic disorder in halide perovskites

MJ Schilcher, PJ Robinson, DJ Abramovitch… - ACS Energy …, 2021 - ACS Publications
The development of halide perovskite semiconductors led to various technological
breakthroughs in optoelectronics, in particular in the areas of photovoltaics and light-emitting …

Band transport by large Fröhlich polarons in MXenes

W Zheng, B Sun, D Li, SM Gali, H Zhang, S Fu… - Nature Physics, 2022 - nature.com
MXenes are emerging layered materials that are promising for electrochemical energy
storage and (opto-) electronic applications. A fundamental understanding of charge …

Non-covalent ligand-oxide interaction promotes oxygen evolution

Q Wu, J Liang, M Xiao, C Long, L Li, Z Zeng… - Nature …, 2023 - nature.com
Strategies to generate high-valence metal species capable of oxidizing water often employ
composition and coordination tuning of oxide-based catalysts, where strong covalent …

Polarons in two-dimensional atomic crystals

WH Sio, F Giustino - Nature Physics, 2023 - nature.com
Polarons are quasiparticles that emerge from the interaction of fermionic particles with
bosonic fields. In crystalline solids, polarons form when electrons and holes become …

Exciton polarons in two-dimensional hybrid metal-halide perovskites

AR Srimath Kandada, C Silva - The Journal of Physical Chemistry …, 2020 - ACS Publications
While polarons, charges bound to a lattice deformation induced by electron–phonon
coupling, are primary photoexcitations in bulk metal-halide hybrid organic–inorganic …

Unified approach to polarons and phonon-induced band structure renormalization

J Lafuente-Bartolome, C Lian, WH Sio, IG Gurtubay… - Physical Review Letters, 2022 - APS
Ab initio calculations of the phonon-induced band structure renormalization are currently
based on the perturbative Allen-Heine theory and its many-body generalizations. These …

Excitonic polarons and self-trapped excitons from first-principles exciton-phonon couplings

Z Dai, C Lian, J Lafuente-Bartolome, F Giustino - Physical Review Letters, 2024 - APS
Excitons consist of electrons and holes held together by their attractive Coulomb interaction.
Although excitons are neutral excitations, spatial fluctuations in their charge density couple …