Spin-crossover materials: Getting the most from x-ray crystallography

S Pillet - Journal of Applied Physics, 2021 - pubs.aip.org
The physical phenomenon of spin-crossover in molecular crystals is a multiscale process
whose properties rely on the supramolecular organization of the spin-crossover active …

Elastically driven cooperative response of a molecular material impacted by a laser pulse

R Bertoni, M Lorenc, H Cailleau, A Tissot, J Laisney… - Nature materials, 2016 - nature.com
Photoinduced phase transformations, occur when a laser pulse impacts a material, thereby
transforming its electronic and/or structural orders, consequently affecting the …

Domain wall dynamics in a ferroelastic spin crossover complex with giant magnetoelectric coupling

VB Jakobsen, E Trzop, E Dobbelaar… - Journal of the …, 2021 - ACS Publications
Pinned and mobile ferroelastic domain walls are detected in response to mechanical stress
in a Mn3+ complex with two-step thermal switching between the spin triplet and spin quintet …

Stress‐Induced Domain Wall Motion in a Ferroelastic Mn3+ Spin Crossover Complex

VB Jakobsen, E Trzop, LC Gavin… - Angewandte …, 2020 - Wiley Online Library
Abstract Domain wall motion is detected for the first time during the transition to a ferroelastic
and spin state ordered phase of a spin crossover complex. Single‐crystal X‐ray diffraction …

Microscopic spin-distortion model for switchable molecular solids: Spatiotemporal study of the deformation field and local stress at the thermal spin transition

A Slimani, K Boukheddaden, F Varret… - Physical Review B …, 2013 - APS
We design a microscopic model for switchable molecular solids (eg, spin crossover), based
on the elastic properties of a discrete lattice made of switchable sites, denoted high spin …

Contactless spin switch sensing by chemo‐electric gating of graphene

EP van Geest, K Shakouri, W Fu, V Robert… - Advanced …, 2020 - Wiley Online Library
Direct electrical probing of molecular materials is often impaired by their insulating nature.
Here, graphene is interfaced with single crystals of a molecular spin crossover complex,[Fe …

Thermochromic meltable materials with reverse spin transition controlled by chemical design

FJ Valverde‐Muñoz, M Seredyuk… - Angewandte …, 2020 - Wiley Online Library
We report a series of meltable FeII complexes, which, depending on the length of aliphatic
chains, display abrupt forward low‐spin to high‐spin transition or unprecedented melting …

Light-induced thermal hysteresis and high-spin low-spin domain formation evidenced by optical microscopy in a spin-crossover single crystal

H Fourati, M Ndiaye, M Sy, S Triki, G Chastanet, S Pillet… - Physical Review B, 2022 - APS
The low-temperature photoinduced effects of the spin-crossover [{Fe (2-pytrz) 2 [Pd (CN) 4]}].
3 H 2 O single crystal have been investigated by means of a cryogenic optical microscopy …

Velocity of the High-Spin Low-Spin Interface Inside the Thermal Hysteresis Loop<? format?> of a Spin-Crossover Crystal, via Photothermal Control of the Interface …

A Slimani, F Varret, K Boukheddaden, D Garrot… - Physical Review Letters, 2013 - APS
We investigated by optical microscopy the thermal transition of the spin-crossover dinuclear
iron (II) compound [{Fe (NCSe)(py) 2} 2 (m-bpypz)]. In a high-quality crystal the high-spin …

Control of the thermal hysteresis of the prototypal spin-transition Fe II (phen) 2 (NCS) 2 compound via the microcrystallites environment: Experiments and …

A Tissot, C Enachescu, ML Boillot - Journal of Materials Chemistry, 2012 - pubs.rsc.org
Microcrystals of FeII (phen) 2 (NCS) 2 (phen= 1, 10-phenanthroline), isolated by solvent-
induced precipitation, were dispersed in glassy or semicrystalline matrices and subjected to …