Ultrafast dynamics of electrons and phonons: from the two-temperature model to the time-dependent Boltzmann equation

F Caruso, D Novko - Advances in Physics: X, 2022 - Taylor & Francis
The advent of pump-probe spectroscopy techniques paved the way to the exploration of
ultrafast dynamics of electrons and phonons in crystalline solids. Following photo-absorption …

Ultrafast laser applications in manufacturing processes: A state-of-the-art review

S Lei, X Zhao, X Yu, A Hu… - Journal of …, 2020 - asmedigitalcollection.asme.org
With the invention of chirped pulse amplification for lasers in the mid-1980s, high power
ultrafast lasers entered into the world as a disruptive tool, with potential impact on a broad …

Spatiotemporal imaging of charge transfer in photocatalyst particles

R Chen, Z Ren, Y Liang, G Zhang, T Dittrich, R Liu… - Nature, 2022 - nature.com
The water-splitting reaction using photocatalyst particles is a promising route for solar fuel
production,,–. Photo-induced charge transfer from a photocatalyst to catalytic surface sites is …

High ambipolar mobility in cubic boron arsenide revealed by transient reflectivity microscopy

S Yue, F Tian, X Sui, M Mohebinia, X Wu, T Tong… - Science, 2022 - science.org
Semiconducting cubic boron arsenide (c-BAs) has been predicted to have carrier mobility of
1400 square centimeters per volt-second for electrons and 2100 square centimeters per volt …

Perturbo: A software package for ab initio electron–phonon interactions, charge transport and ultrafast dynamics

JJ Zhou, J Park, IT Lu, I Maliyov, X Tong… - Computer Physics …, 2021 - Elsevier
Perturbo is a software package for first-principles calculations of charge transport and
ultrafast carrier dynamics in materials. The current version focuses on electron–phonon …

Idealizing Tauc plot for accurate bandgap determination of semiconductor with ultraviolet–visible spectroscopy: a case study for cubic boron arsenide

H Zhong, F Pan, S Yue, C Qin, V Hadjiev… - The Journal of …, 2023 - ACS Publications
The Tauc plot is widely used to determine the bandgap of semiconductors, but the actual
plot often exhibits significant baseline absorption below the expected bandgap, leading to …

Vibrational dichroism of chiral valley phonons

Y Pan, F Caruso - Nano Letters, 2023 - ACS Publications
Valley degrees of freedom in transition metal dichalcogenides thoroughly influence electron–
phonon coupling and its nonequilibrium dynamics. We conducted a first-principles study of …

Laser-induced topological spin switching in a 2D van der Waals magnet

M Khela, M Da̧browski, S Khan, PS Keatley… - Nature …, 2023 - nature.com
Abstract Two-dimensional (2D) van der Waals (vdW) magnets represent one of the most
promising horizons for energy-efficient spintronic applications because their broad range of …

Nonequilibrium Lattice Dynamics in Monolayer MoS2

F Caruso - The Journal of Physical Chemistry Letters, 2021 - ACS Publications
The coupled nonequilibrium dynamics of electrons and phonons in monolayer MoS2 is
investigated by combining first-principles calculations of the electron–phonon and phonon …

Toward precise simulations of the coupled ultrafast dynamics of electrons and atomic vibrations in materials

X Tong, M Bernardi - Physical Review Research, 2021 - APS
Ultrafast spectroscopies can access the dynamics of electrons and nuclei at short
timescales, shedding light on nonequilibrium phenomena in materials. However …