All-atom molecular dynamics simulation of the spin-crossover complex. I. Thermally induced spin transition in the bulk material

S Mi, G Molnár, K Ridier, W Nicolazzi, A Bousseksou - Physical Review B, 2024 - APS
We present an atomistic approach, based on the x-ray diffraction structure, to model
cooperative spin-transition phenomena in the [Fe (pyrazine)][Ni (CN) 4] spin-crossover …

Molecular mechanics simulations of lattice dynamical properties of the spin crossover complex [Fe (pyrazine)][Ni (CN) 4]

S Mi, A Fahs, G Molnár, W Nicolazzi… - Chemical Physics …, 2023 - Elsevier
An empirical molecular mechanics force field has been built for the [Fe (pyrazine)][Ni (CN) 4]
spin crossover complex using Raman spectroscopic and nuclear inelastic scattering data …

Disentangling Surface Energy and Surface/Interface Stress Effects in Spin Crossover Nanomaterials

A Fahs, S Mi, W Nicolazzi, G Molnár… - Advanced Physics …, 2023 - Wiley Online Library
Understanding phase transformation processes at the nanoscale is an important step for the
integration of phase change materials into functional nanodevices. Here, a numerical …

Crystal effects in the vibrational spectra of one-dimensional molecular spin crossover crystals using molecular dynamics simulations

J Herz, R Meyer, JA Wolny, V Schünemann… - Applied Physics A, 2023 - Springer
We use molecular dynamics simulations to model the iron phonon density of states (pDOS)
of a spin crossover (SCO) crystal built from 39-nuclear [Fe (atrz) 3 Cl 2] chains (atrz= 4 …

Role of surface effects in the vibrational density of states and the vibrational entropy in spin crossover nanomaterials: A molecular dynamics investigation

A Fahs, W Nicolazzi, G Molnár, A Bousseksou - Magnetochemistry, 2021 - mdpi.com
Size reduction effects on the lattice dynamics of spin crossover (SCO) thin films have been
investigated through molecular dynamics (MD) simulations of the density of vibrational …

Finite size and surface effects in bistable molecular nanomaterials

S Mi - 2023 - theses.hal.science
In the last decade, the investigation of phase transitions at the nanometer scale has become
an essential element in the field of nanoscience. The fundamental understanding and …

Toward the prediction of multi-spin state charges of a Heme model by random forest regression

W Zhao, Q Li, XH Huang, LH Bie, J Gao - Frontiers in Chemistry, 2020 - frontiersin.org
The random forest regression (RFR) model was introduced to predict the multiple spin state
charges of a heme model, which is important for the molecular dynamic simulation of the …

[PDF][PDF] Modélisation des effets de surfaces sur les propriétés de commutation des nanomatériaux à transition de spin: vers une analyse quantitative des énergies de …

W NICOLAZZI - 2022 - theses.hal.science
C'est en 1931, et pour la première fois, que Cambi et al. remarquèrent un comportement
magnétique" anormal" dans une série de composés de Fe (III) à base de ligand …

Modélisation des effets de surfaces sur les propriétés de commutation des nanomatériaux à transition de spin: vers une analyse quantitative des énergies de surface

A Fahs - 2022 - theses.hal.science
Les matériaux à transition de spin sont des matériaux commutables capables de transiter
d'un état à un autre suite à une application d'un champ extérieur, comme la température, la …