scholarly journals Electroswitching of the single-molecule magnet behaviour in an octahedral spin crossover cobalt(ii) complex with a redox-active pyridinediimine ligand

2020 ◽  
Vol 56 (81) ◽  
pp. 12242-12245
Author(s):  
Renato Rabelo ◽  
Luminita Toma ◽  
Nicolás Moliner ◽  
Miguel Julve ◽  
Francesc Lloret ◽  
...  
Keyword(s):  
Single Molecule ◽  
Spin Crossover ◽  
Single Molecule Magnet ◽  
Redox Active

A unique example of electroswitchable spin crossover molecular nanomagnet which proceeds through one-electron oxidation of the slow-relaxing paramagnetic low-spin CoII ion (SCo = 1/2, ON) to the diamagnetic low-spin CoIII ion (SCo = 0, OFF).

scholarly journals Spin Crossover and Field‐Induced Single‐Molecule Magnet Behaviour in Co(II) Complexes Based on Terpyridine with Tetrathiafulvalene Analogues

2021 ◽  
Author(s):  
Siham Tiaouinine ◽  
Jessica Flores Gonzalez ◽  
Bertrand Lefeuvre ◽  
Thierry Guizouarn ◽  
Marie Cordier ◽  
...  
Keyword(s):  
Single Molecule ◽  
Spin Crossover ◽  
Single Molecule Magnet

scholarly journals Redox-Active Dysprosium Single-Molecule Magnet: Spectro-Electrochemistry and Theoretical Investigations

2019 ◽  
Vol 5 (3) ◽  
pp. 46 ◽  
Author(s):  
Guglielmo Fernandez Garcia ◽  
Vincent Montigaud ◽  
Lucie Norel ◽  
Olivier Cador ◽  
Boris Le Guennic ◽  
...  
Keyword(s):  
Single Molecule ◽  
Density Functional ◽  
Functional Theory ◽  
Single Molecule Magnet ◽  
Complete Active Space ◽  
Consistent Field ◽  
Redox Active ◽  
Theoretical Investigations ◽  
Td Dft ◽  
Self Consistent Field

The mononuclear single-molecule magnet (SMM) [Dy(tta)3(L)]⋅C6H14 (1) (where tta− = 2-thenoyltrifluoroacetonate and L = 4,5-bis(propylthio)-tetrathiafulvalene-2-(2-pyridyl)benzimidazole-methyl-2-pyridine) was studied by spectro-electrochemistry. The resulting electronic spectra of the three oxidation states 1, 1+∙, and 12+ were rationalized by time-dependent density functional theory (TD-DFT) calculations starting from the DFT optimized structures. The modulation of the magnetic anisotropy of the DyIII center upon oxidation was also inspected at the Complete Active Space Self-Consistent Field (CASSCF) level of calculation.

A mononuclear five-coordinate Co(ii) single molecule magnet with a spin crossover between the S = 1/2 and 3/2 states

2018 ◽  
Vol 47 (46) ◽  
pp. 16596-16602 ◽  
Author(s):  
Lei Chen ◽  
Jingbo Song ◽  
Wen Zhao ◽  
Gangji Yi ◽  
Zhikuan Zhou ◽  
...  
Keyword(s):  
Hysteresis Loop ◽  
Single Molecule ◽  
Magnetic Relaxation ◽  
Spin Crossover ◽  
Spin Transition ◽  
Single Molecule Magnet ◽  
Pyramidal Geometry ◽  
Mononuclear Cobalt ◽  
Slow Magnetic Relaxation ◽  
Square Pyramidal Geometry

A mononuclear cobalt(ii) complex with square pyramidal geometry displays a spin transition with a small hysteresis loop and slow magnetic relaxation.

A redox-active luminescent ytterbium based single molecule magnet

2013 ◽  
Vol 49 (6) ◽  
pp. 615-617 ◽  
Author(s):  
Fabrice Pointillart ◽  
Boris Le Guennic ◽  
Stéphane Golhen ◽  
Olivier Cador ◽  
Olivier Maury ◽  
...  
Keyword(s):  
Single Molecule ◽  
Single Molecule Magnet ◽  
Redox Active

scholarly journals Switchable slow relaxation of magnetization in the native low temperature phase of a cooperative spin-crossover compound

2017 ◽  
Vol 8 (3) ◽  
pp. 2290-2295 ◽  
Author(s):  
A. Urtizberea ◽  
O. Roubeau
Keyword(s):  
Low Temperature ◽  
High Spin ◽  
Single Molecule ◽  
Spin Crossover ◽  
Slow Relaxation ◽  
Light Irradiation ◽  
Temperature Phase ◽  
Single Molecule Magnet ◽  
Trigonal Distortion ◽  
Low Temperature Phase

Field-induced slow relaxation of magnetization arising from local trigonal distortion at high-spin Fe(II) sites in [Fe(mtz)6](CF3SO3)2 is reversibly switched through light irradiation, the first example of native and switchable Single-Molecule-Magnet properties in a spin-crossover material.

Single molecule magnet behaviour in a square planar S = 1/2 Co(ii) complex and spin-state assignment of multiple relaxation modes

2020 ◽  
Vol 56 (49) ◽  
pp. 6711-6714
Author(s):  
Indrani Bhowmick ◽  
David W. Shaffer ◽  
Jenny Y. Yang ◽  
Matthew P. Shores
Keyword(s):  
Spin State ◽  
Single Molecule ◽  
Spin Crossover ◽  
Single Molecule Magnet ◽  
State Assignment ◽  
Square Planar ◽  
Relaxation Modes

First reports of a square planar S = 1/2 Co(ii) single molecule magnet, and spin state assignment to the multiple relaxation modes of a structurally related spin crossover Co(ii) complex.

scholarly journals A Mononuclear Fe(III) Single Molecule Magnet with a 3/2↔5/2 Spin Crossover

2012 ◽  
Vol 134 (33) ◽  
pp. 13651-13661 ◽  
Author(s):  
Susanne Mossin ◽  
Ba L. Tran ◽  
Debashis Adhikari ◽  
Maren Pink ◽  
Frank W. Heinemann ◽  
...  
Keyword(s):  
Single Molecule ◽  
Spin Crossover ◽  
Single Molecule Magnet

scholarly journals Field-Induced Dysprosium Single-Molecule Magnet Based on a Redox-Active Fused 1,10-Phenanthroline-Tetrathiafulvalene-1,10-Phenanthroline Bridging Triad

2018 ◽  
Vol 6 ◽  
Author(s):  
Bertrand Lefeuvre ◽  
Olivier Galangau ◽  
Jessica Flores Gonzalez ◽  
Vincent Montigaud ◽  
Vincent Dorcet ◽  
...  
Keyword(s):  
Single Molecule ◽  
Single Molecule Magnet ◽  
Redox Active

scholarly journals Reversible on–off switching of both spin crossover and single-molecule magnet behaviours via a crystal-to-crystal transformation

2018 ◽  
Vol 9 (41) ◽  
pp. 7986-7991 ◽  
Author(s):  
Dong Shao ◽  
Le Shi ◽  
Lei Yin ◽  
Bao-Lin Wang ◽  
Zhen-Xing Wang ◽  
...  
Keyword(s):  
Single Crystal ◽  
Single Molecule ◽  
Spin Crossover ◽  
Single Molecule Magnet ◽  
Crystal Transformation

A molecule complex exhibiting reversible on–off switching between spin crossover and single-molecule magnet behaviours via a single-crystal-to-single-crystal transformation is reported.

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