Spin crossover in iron (II) complexes of 3, 4, 5-tri-substituted-1, 2, 4-triazole (Rdpt), 3, 5-di-substituted-1, 2, 4-triazolate (dpt−), and related ligands

HLC Feltham, AS Barltrop, S Brooker - Coordination Chemistry Reviews, 2017 - Elsevier
A general introduction to spin crossover involving iron (II) is provided. Then the 26 examples
of 3, 4, 5-tri-substituted-1, 2, 4-triazole (mostly Rdpt and Rppt) ligands and the 11 examples …

Spin‐State Modulation in FeII‐Based Hofmann‐Type Coordination Polymers: From Molecules to Materials

B Kumar, A Paul, DJ Mondal, P Paliwal… - The Chemical …, 2022 - Wiley Online Library
Spin crossover complexes that reversibly interconvert between two stable states imitate a
binary state of 0 and 1, delivering a promising possibility to address the data processing …

Optical phenomena in molecule-based magnetic materials

JJ Zakrzewski, M Liberka, J Wang, S Chorazy… - Chemical …, 2024 - ACS Publications
Since the last century, we have witnessed the development of molecular magnetism which
deals with magnetic materials based on molecular species, ie, organic radicals and metal …

Pronounced Magnetic Bistability in Highly Cooperative Mononuclear [Fe(Lnpdtz)2(NCX)2] Complexes

J Kiehl, T Hochdörffer, LM Carrella… - Inorganic …, 2022 - ACS Publications
Molecular materials that exhibit stimuli-responsive bistability are promising candidates for
the development of molecular switches and sensors. We herein report on the coexistence of …

Coupling and decoupling of spin crossover and ferroelastic distortion: Unsymmetric hysteresis loop, phase diagram, and sequence of phases

E Collet, G Azzolina - Physical Review Materials, 2021 - APS
Spin-transition materials can exhibit thermal hysteresis due to cooperative elastic
interactions in between active molecular sites. It results from the coupling of the …

Solid Versus Solution Spin Crossover and the Importance of the Fe–N C (X) Angle

S Rodriguez-Jimenez, S Brooker - Inorganic chemistry, 2017 - ACS Publications
A new family of mononuclear [FeII (Rdpt) 2 (NCE) 2] complexes (E= S, Se, or BH3) is formed
by 1: 2 reaction of [FeII (pyridine) 4 (NCE) 2] with the monotopic pyridyl triazole ligand 4-(4 …

Coupled spin cross-over and ferroelasticity: revisiting the prototype [Fe(ptz)6](BF4)2 material

E Collet, G Azzolina, J Jeftić… - Advances in Physics …, 2023 - Taylor & Francis
Spin-crossover (SCO) materials exhibit thermal conversion from low to high-spin states. We
review different models developed to describe this entropy-driven process and the …

XAS and XMCD reveal a cobalt (II) imide undergoes high-pressure-induced spin crossover

N Bouldi, M Mannini, M Retegan… - The Journal of …, 2022 - ACS Publications
The spin crossover (SCO) transition is investigated in two molecular Co2+ bis-imide
compounds, Co (dpzca) 2 and Co (pypzca) 2 (where H dpzca= N-(2-pyrazylcarbonyl)-2 …

Pressure Tuning of Coupled Structural and Spin State Transitions in the Molecular Complex [Fe(H2B(pz)2)2(phen)]

D Paliwoda, L Vendier, W Nicolazzi, G Molnár… - Inorganic …, 2022 - ACS Publications
The large volume change, which accompanies the molecular spin crossover (SCO)
phenomenon in some transition metal complexes, prompts frequently the coupling of the …

Spin crossover in a cobalt complex on Ag (111)

S Johannsen, S Ossinger, J Grunwald… - Angewandte Chemie …, 2022 - Wiley Online Library
Abstract The Co‐based complex [Co (H2B (pz)(pypz)) 2](py= pyridine, pz= pyrazole)
deposited on Ag (111) was investigated with scanning tunneling microscopy at≈ 5 K. Due to …