Field-induced slow magnetic relaxation in cobalt(II) compounds with pentagonal bipyramid geometry.

@article{Huang2014FieldinducedSM,
  title={Field-induced slow magnetic relaxation in cobalt(II) compounds with pentagonal bipyramid geometry.},
  author={Xing‐Cai Huang and Chun Zhou and Dong Shao and Xin-Yi Wang},
  journal={Inorganic chemistry},
  year={2014},
  volume={53 24},
  pages={
          12671-3
        }
}
Field-induced slow magnetic relaxation was observed for air-stable mononuclear cobalt(II) compounds with pentagonal bipyramid geometry. These are the first examples of such behavior observed in the seven-coordinated mononuclear 3d metal compounds. 
View on PubMed
hysz.nju.edu.cn
122 Citations
Background Citations
3
Methods Citations
1

Figures from this paper

122 Citations

Citation Type

Citation Type

Enhanced magnetic anisotropy in a tellurium-coordinated cobalt single-ion magnet
A series of tetrahedral Co(II) complexes with chalcogen donors were prepared, which exhibited strong magnetic uniaxial anisotropies and slow relaxations as SIMs. By substituting donors from S to Te,…
Magnetic anisotropies and slow magnetic relaxation of three tetrahedral tetrakis(pseudohalido)–cobalt(ii) complexes
Magnetic anisotropies and slow magnetic relaxation of three homoleptic cobalt(ii) complexes with different pseudohalide ligands were studied via magnetometry, HFEPR and theoretical calculations.
A cyano-bridged coordination nanotube showing field-induced slow magnetic relaxation
Field-induced slow magnetic relaxation was observed in a cyano-bridged coordination nanotube constructed from a pentagonal bipyramidal CoII building block and a hexacyanocobaltate(III) anion, which…
Slow magnetic relaxation in a mononuclear 8-coordinate Fe(ii) complex.
TLDR
1 exhibits uni-axial anisotropy for which a slow magnetic relaxation is observed under 1.4 kOe dc field, the first example of an 8-coordinate Fe(ii) complex exhibiting field-induced single-molecule magnet (SMM) behaviour.
Five mononuclear pentacoordinate Co(II) complexes with field-induced slow magnetic relaxation
Single molecule magnet behavior observed in a 1-D dysprosium chain with quasi-D5h symmetry.
Two one-dimensional (1-D) chain complexes with pentagonal bipyramidal Dy(III) centers have been synthesized and magnetically characterized. Field-induced single molecule magnet behavior has been…
Spin canting, metamagnetism, and single-chain magnetic behaviour in a cyano-bridged homospin iron(II) compound.
Spin canting, antiferromagnetic ordering, metamagnetism and single-chain magnetism were verified in a cyano-bridged Fe(II) compound synthesized from the pentagonal bipyramidal Fe(II) starting…
Two-dimensional magnetic materials of cobalt(ii) triangular lattices constructed by a mixed benzimidazole–dicarboxylate strategy
Herein, three two-dimensional magnetic materials of cobalt(ii) coordination polymers with triangular lattices were synthesized using a mixed benzimidazole–dicarboxylate strategy.
Slow Magnetic Relaxation in a One-Dimensional Coordination Polymer Constructed from Hepta-Coordinate Cobalt(II) Nodes
A one-dimensional coordination polymer was synthesized employing hepta-coordinate CoII as nodes and dicyanamide as linkers. Detailed direct current (DC) and alternating current (AC) magnetic…
Coordination [CoII2] and [CoIIZnII] Helicates Showing Slow Magnetic Relaxation.
TLDR
Solution paramagnetic 1H NMR and solid-state magnetization measurements unveil single-molecule-magnet behavior with small axial anisotropy, as predicted previously.
...
1
2
3
4
5
...

References

SHOWING 1-10 OF 42 REFERENCES
Inspiration from old molecules: field-induced slow magnetic relaxation in three air-stable tetrahedral cobalt(II) compounds.
TLDR
The dynamics of the magnetization of three four-coordinate mononuclear cobalt(II) compounds, which are synthesized conveniently and are air stable, are investigated.
Slow magnetic relaxation in a pseudotetrahedral cobalt(II) complex with easy-plane anisotropy.
A pseudotetrahedral cobalt(II) complex with a positive axial zero-field splitting parameter of D = 12.7 cm(-1), as determined by high-field EPR spectroscopy, is shown to exhibit slow magnetic…
Single-molecule magnet behavior with a single metal center enhanced through peripheral ligand modifications.
TLDR
Bis(imino)pyridine pincer ligands in conjunction with two isothiocyanate ligands have been used to prepare two mononuclear Co(II) complexes that have a distorted square-pyramidal geometry and lead to significant spin-orbit coupling for the d(7) Co( II) ions.
Field-induced slow magnetic relaxation in a six-coordinate mononuclear cobalt(II) complex with a positive anisotropy.
TLDR
Slow magnetic relaxation effects were observed for 1 in the presence of a dc magnetic field, constituting the first example of field-induced single-molecule magnet behavior in a mononuclear six-coordinate Co(II) complex with a transverse anisotropy energy barrier.
Influence of the ligand field on slow magnetization relaxation versus spin crossover in mononuclear cobalt complexes.
TLDR
Changing the ligand field and geometry with an additional terpy ligand leads to spin-crossover behavior in 3 with a gradual transition from high spin to low spin.
Heptacoordinated nickel(II) as an Ising-type anisotropic building unit: illustration with a pentanuclear [(NiL)3{W(CN)8}2] complex.
Heptacoordinated nickel(II) complexes characterized by substantial Ising-type single-ion anisotropy have been involved in the construction of two pentanuclear [Ni3W2] compounds by association with…
Slow magnetic relaxation in octahedral cobalt(II) field-induced single-ion magnet with positive axial and large rhombic anisotropy.
TLDR
Pseudooctahedral mononuclear cobat(II) complex, where abpt = 4-amino-3,5-bis(2-pyridyl)-1,2,4-triazole and tcm = tricyanomethanide anion, shows field-induced slow relaxation of magnetization, presenting a new example of a field- induced single-ion magnet with transversal magnetic anisotropy.
Zero-field slow magnetic relaxation from single Co(II) ion: a transition metal single-molecule magnet with high anisotropy barrier
An air-stable star-shaped CoIICoIII3 complex with only one paramagnetic Co(II) ion in the D3 coordination environment has been synthesized from a chiral Schiff base ligand. Magnetic studies revealed…
Slow magnetic relaxation in a family of trigonal pyramidal iron(II) pyrrolide complexes.
TLDR
A family of trigonal pyramidal iron(II) complexes supported by tris(pyrrolyl-α-methyl)amine ligands of the general formula [M(solv)(n)][(tpa(R))Fe] is presented, enabling an initial probe of how the ligand field influences the static and dynamic magnetic behavior.
Electronic structure and slow magnetic relaxation of low-coordinate cyclic alkyl(amino) carbene stabilized iron(I) complexes.
TLDR
Electrolysis of cyclic alkyl(amino) carbene stabilized two- and three-coordinate Fe(I) complexes shows slow magnetic relaxation typical for single molecule magnets under an applied direct current magnetic field.
...
1
2
3
4
5
...