From Ultrafast Photoinduced Small Polarons to Cooperative and Macroscopic Charge‐Transfer Phase Transition

G Privault, M Hervé, N Godin, R Bertoni… - Angewandte …, 2024 - Wiley Online Library
We study by femtosecond infrared spectroscopy the ultrafast and persistent photoinduced
phase transition of the Rb0. 94Mn0. 94Co0. 06 [Fe (CN) 6] 0.98⋅ 0.2 H2O material, induced …

Magnetoelectric and MIESST effects in spin crossover materials exhibiting symmetry-breaking

RGT Ramírez, E Trzop, E Collet - Dalton Transactions, 2024 - pubs.rsc.org
Giant magnetoelectric coupling and magnetic-field-induced spin state trap** (MIESST)
were recently reported in spin crossover materials with polar phases. We discuss these …

Photoinduced Electron–Nuclear Dynamics of Fullerene and Its Monolayer Networks in Solvated Environments

Q Xu, D Weinberg, MS Okyay, M Choi… - Journal of the …, 2024 - ACS Publications
The recently synthesized monolayer fullerene network in a quasi-hexagonal phase (qHP-
C60) exhibits superior electron mobility and optoelectronic properties compared to …

Stabilizing low symmetry-based functions of materials at room temperature through isosymmetric electronic bistability

FJ Valverde-Muñoz, RGT Ramírez, E Trzop… - Materials …, 2025 - pubs.rsc.org
Symmetry-breaking is pivotal for controlling ferroelectric, ferroelastic and/or ferromagnetic
functions of materials, which enables applications in sensors, memories, transducers or …

Strain-affected ferroelastic domain walls in RbMnFe charge-transfer materials undergoing collective Jahn–Teller distortion

M Hervé, S Akagi, L Guérin, LB Gee, RD Ribson… - RSC …, 2024 - pubs.rsc.org
Many rubidium manganese hexacyanoferrate materials, with the general formula RbxMn [Fe
(CN) 6](x+ 2)/3· zH2O, exhibit diverse charge-transfer-based functionalities due to the …

Introduction to order, disorder and ultrafast phenomena in functional solids

H Tokoro, E Collet, E Pastor - Materials Advances, 2024 - pubs.rsc.org
Disorder in solids manifests in the variable extended loss of the translational symmetry. 1, 2
This change in the crystallographic properties can dramatically impact the solid's …

Anomalous Photomagnetization Behaviors under a Large field in Ternary Metal Prussian Blue Analogues KαMnCo(1–x)[Fe(CN)6]β·nH2O

C Dong, K Yao, Y Fan, S Kong, W Xu, Y Li… - The Journal of …, 2024 - ACS Publications
Cobalt–iron Prussian blue analogues are typical materials with a photomagnetic effect,
capable of exhibiting significant magnetic polarization enhancement upon exposure to light …

Role of harmonic and anharmonic interactions in controlling the cooperativity of spin-crossover molecular crystals

O Markin, I Gudyma, K Boukheddaden - Physical Review B, 2024 - APS
We present a theoretical model of spin transitions in homogeneous spin-crossover (SCO)
materials, based on the description of the interactions between SCO molecules by the …

Ultrafast Structural Dynamics of a Photoexcited Mn− Fe Charge‐Transfer Material in the Polaronic and Phase Transition Regimes

M Hervé, G Privault, E Trzop, S Akagi… - European Journal of …, 2024 - Wiley Online Library
Abstract The Rb0. 94Mn0. 94Co0. 06 [Fe (CN) 6] 0.98 material was designed to exhibit a 75
K wide thermal hysteresis around room temperature, associated with a bistability between …

Terahertz Wave Absorption of a Rubidium Manganese‐Iron Prussian Blue Phase Transition Material

Y Mineo, K Nakabayashi, H Tokoro… - European Journal of …, 2024 - Wiley Online Library
Abstract Rubidium manganese hexacyanidoferrate, Rb0. 97Mn [Fe (CN) 6] 0.99⋅ 0.5 H2O,
which has a three‐dimensional cyanido‐bridged Mn− Fe framework encapsulating Rb+ …