Simulation of nuclear quantum effects in condensed matter systems via quantum baths

S Huppert, T Plé, S Bonella, P Depondt, F Finocchi - Applied Sciences, 2022 - mdpi.com
This paper reviews methods that aim at simulating nuclear quantum effects (NQEs) using
generalized thermal baths. Generalized (or quantum) baths simulate statistical quantum …

Cation dynamics and structural stabilization in formamidinium lead iodide perovskites

K Druzbicki, R Laven, J Armstrong… - The Journal of …, 2021 - ACS Publications
The vibrational dynamics of pure and methylammonium-doped formamidinium lead iodide
perovskites (FAPbI3) has been investigated by high-resolution neutron spectroscopy. For …

The fluctuation–dissipation theorem as a diagnosis and cure for zero-point energy leakage in quantum thermal bath simulations

E Mangaud, S Huppert, T Plé, P Depondt… - Journal of chemical …, 2019 - ACS Publications
Quantum thermal bath (QTB) simulations reproduce statistical nuclear quantum effects via a
Langevin equation with a colored random force. Although this approach has proven efficient …

Non-invasive detection of hazardous materials with a thermal-to-epithermal neutron station: a feasibility study towards practical application

M Silarski, K Dziedzic-Kocurek, K Drużbicki… - Scientific reports, 2024 - nature.com
The growing scale of the devastation that even a single terrorist attack can cause requires
more effective methods for the detection of hazardous materials. In particular, there are no …

Database mining and first-principles assessment of organic proton-transfer ferroelectrics

S Seyedraoufi, ED Sødahl, CH Görbitz, K Berland - Physical Review Materials, 2024 - APS
In organic proton-transfer ferroelectrics (OPTFe), molecules are linked to form hydrogen-
bonded networks, and proton transfer (PT) between molecules is the dominant mechanism …

Hydrogen spillover in tungsten oxide bronzes as observed by broadband neutron spectroscopy

E Lalik, SF Parker, G Irvine, I da Silva, MJ Gutmann… - Energies, 2023 - mdpi.com
Hydrogen spillover is an elusive process, and its characterization, using experimental
probes and ab initio modeling, poses a serious challenge. In this work, the nuclear quantum …

Impact of nuclear effects on the ultrafast dynamics of an organic/inorganic mixed-dimensional interface

M Jacobs, K Fidanyan, M Rossi, C Cocchi - Electronic Structure, 2024 - iopscience.iop.org
Electron dynamics at weakly bound interfaces of organic/inorganic materials are easily
influenced by large-amplitude nuclear motion. In this work, we investigate the effects of …

[HTML][HTML] Enhanced Chemical Stability of Tetramethylammonium Head Groups via Deep Eutectic Solvent: A Computational Study

M Karibayev, B Myrzakhmetov, Y Wang, A Mentbayeva - Molecules, 2024 - mdpi.com
The chemical stability of tetramethylammonium (TMA) head groups, both with and without
the presence of a choline chloride and ethylene glycol-based deep eutectic solvent (DES) …

Conformational control of the photodynamics of a bilirubin dipyrrinone subunit: Femtosecond spectroscopy combined with nonadiabatic simulations

J Janoš, D Madea, S Mahvidi, T Mujawar… - The Journal of …, 2020 - ACS Publications
The photochemistry of bilirubin has been extensively studied due to its importance in the
phototherapy of hyperbilirubinemia. In the present work, we investigated the ultrafast …

Spectroscopic Signatures of Hydrogen-Bonding Motifs in Protonic Ionic Liquid Systems: Insights from Diethylammonium Nitrate in the Solid State

I Vázquez-Fernández, K Drużbicki… - The Journal of …, 2021 - ACS Publications
Diethylammonium nitrate,[N0 0 2 2][NO3], and its perdeuterated analogue,[ND D 2 2][NO3],
were structurally characterized and studied by infrared, Raman, and inelastic neutron …