Vibrational spectroscopy by means of first‐principles molecular dynamics simulations

E Ditler, S Luber - Wiley Interdisciplinary Reviews …, 2022 - Wiley Online Library
Vibrational spectroscopy is one of the most important experimental techniques for the
characterization of molecules and materials. Spectroscopic signatures retrieved in …

[HTML][HTML] CP2K: An electronic structure and molecular dynamics software package-Quickstep: Efficient and accurate electronic structure calculations

TD Kühne, M Iannuzzi, M Del Ben, VV Rybkin… - The Journal of …, 2020 - pubs.aip.org
CP2K is an open source electronic structure and molecular dynamics software package to
perform atomistic simulations of solid-state, liquid, molecular, and biological systems. It is …

Some opinions on MD-based vibrational spectroscopy of gas phase molecules and their assembly: An overview of what has been achieved and where to go

MP Gaigeot - Spectrochimica Acta Part A: Molecular and …, 2021 - Elsevier
We hereby review molecular dynamics simulations for anharmonic gas phase spectroscopy
and provide some of our opinions of where the field is heading. With these new directions …

Combined first-principles statistical mechanics approach to sulfur structure in organic cathode hosts for polymer based lithium–sulfur (Li–S) batteries

Y Schütze, R de Oliveira Silva, J Ning… - Physical Chemistry …, 2021 - pubs.rsc.org
Polymer-based batteries that utilize organic electrode materials are considered viable
candidates to overcome the common drawbacks of lithium–sulfur (Li–S) batteries. A …

Periodic calculations in the Gaussian and plane-waves scheme

J Wilhelm, J Hutter - Physical Review B, 2017 - APS
We present a correction scheme for periodic Γ-only GW calculations in a Gaussian basis.
For four benchmark systems, the dependence of the corrected GW quasiparticle levels on …

“On-the-fly” calculation of the Vibrational Sum-frequency Generation Spectrum at the Air-water Interface

D Ojha, TD Kühne - Molecules, 2020 - mdpi.com
In the present work, we provide an electronic structure based method for the “on-the-fly”
determination of vibrational sum frequency generation (v-SFG) spectra. The predictive …

Characterization of sulfur/carbon copolymer cathodes for Li–S batteries: a combined experimental and ab initio Raman spectroscopy study

R Kiani, M Steimecke, M Alqaisi, M Bron… - RSC …, 2023 - pubs.rsc.org
Optimization of lithium–sulfur batteries highly depends on exploring and characterizing new
cathode materials. Sulfur/carbon copolymers have recently attracted much attention as an …

Efficient method for estimating the dynamics of the full polarizability tensor during ab initio molecular dynamics simulations

P Partovi-Azar - Physical Review B, 2023 - APS
An efficient method is presented to approximate the dynamics of individual polarizability
tensor elements, for example, during ab initio molecular dynamics simulations. The method …

Ab Initio Simulation of Raman Fingerprints of Sulfur/Carbon Copolymer Cathodes During Discharge of Li− S Batteries

R Kiani, H Sheng, T Held, O Löhmann… - …, 2024 - Wiley Online Library
Sulfur/carbon copolymers have emerged as promising alternatives for conventional
crystalline sulfur cathodes for lithium‐sulfur batteries. Among these, sulfur‐n‐1, 3 …

Ab Initio Study of the Raman Spectra of Amorphous Oxides: Insights into the Boson Peak Nature in Glassy TeO2

EM Roginskii, R Raghvender… - physica status solidi …, 2023 - Wiley Online Library
Herein, a computational technique that combines density functional theory and the finite
difference method is presented to enable the calculation of the Raman spectra of large …