Hot electron relaxation dynamics in semiconductors: assessing the strength of the electron–phonon coupling from the theoretical and experimental viewpoints

J Sjakste, K Tanimura, G Barbarino… - Journal of Physics …, 2018 - iopscience.iop.org
The rapid development of the computational methods based on density functional theory, on
the one hand, and of time-, energy-, and momentum-resolved spectroscopy, on the other …

Fröhlich electron-phonon vertex from first principles

C Verdi, F Giustino - Physical review letters, 2015 - APS
We develop a method for calculating the electron-phonon vertex in polar semiconductors
and insulators from first principles. The present formalism generalizes the Fröhlich vertex to …

Ultrafast enhancement of electron-phonon coupling via dynamic quantum well states

ST Ciocys, A Lanzara - Communications Materials, 2023 - nature.com
The density of states at the Fermi surface controls many material properties by influencing
the low-energy interactions of conductive electrons. Typically, external tuning knobs …

Electron–rotor interaction in organic–inorganic lead iodide perovskites discovered by isotope effects

J Gong, M Yang, X Ma, RD Schaller, G Liu… - The journal of …, 2016 - ACS Publications
We report on the carrier–rotor coupling effect in perovskite organic–inorganic hybrid lead
iodide (CH3NH3PbI3) compounds discovered by isotope effects. Deuterated organic …

Unconventional superconductivity in YPtBi and related topological semimetals

M Meinert - Physical review letters, 2016 - APS
YPtBi, a topological semimetal with a very low carrier density, was recently found to be
superconducting below T c= 0.77 K. In conventional theory, the nearly vanishing density of …

Half-metallic ferromagnetism and optical behavior in alkaline-earth metals based Beryllium perovskites: DFT calculations

Q Mahmood, M Hassan, M Yaseen, A Laref - Chemical Physics Letters, 2019 - Elsevier
We investigate the Half-metallic ferromagnetism and optical behaviors of XBeO 3 (X= Mg,
Ca, Sr and Ba) using full-potential linearized augmented plane-wave method. The structural …

Plasmon-enhanced electron-phonon coupling in Dirac surface states of the thin-film topological insulator Bi2Se3

YD Glinka, S Babakiray, D Lederman - Journal of Applied Physics, 2015 - pubs.aip.org
Raman measurements of a Fano-type surface phonon mode associated with Dirac surface
states (SS) in Bi 2 Se 3 topological insulator thin films allowed an unambiguous …

AlB2 and MgB2: a comparative study of their electronic, phonon and superconductivity properties via first principles

C Cheng, MY Duan, Z Wang, XL Zhou - Philosophical Magazine, 2020 - Taylor & Francis
Recently, the AlB2-type compounds (such as AlB2 and MgB2) which exhibit Dirac Nodal
Line (DNLs) semimetal on their electronic band structure and Phononic Weyl Nodal Straight …

First-principles study on the superconductivity of doped zirconium diborides

S Nayak, CK Singh, M Dahlqvist, J Rosen, P Eklund… - Physical Review …, 2022 - APS
Recent experiments [Barbero et al. Phys. Rev. B 95, 094505 (2017) 10.1103/PhysRevB.
95.094505] have established that bulk superconductivity (T c∼ 8.3–8.7 K) can be induced in …

Tunable electron-phonon coupling superconductivity in platinum diselenide

C Cheng, JT Sun, M Liu, XR Chen, S Meng - Physical Review Materials, 2017 - APS
The superconducting property of platinum diselenide (PtS e 2), being a type-II Dirac
semimetal, doped with electron and hole carriers has been investigated by first-principles …