Enhancing Magnetic Behaviors of Dysprosium Single-Molecule Magnets from Crystal Field Perturbation by Deprotonating Schiff-Base Ligand

2019 ◽  
Vol 19 (6) ◽  
pp. 3365-3371 ◽  
Author(s):  
Juan Wang ◽  
Haili Wang ◽  
Yue Ma ◽  
Jinkui Tang ◽  
Licun Li ◽  
...  
Keyword(s):  
Schiff Base ◽  
Crystal Field ◽  
Single Molecule ◽  
Schiff Base Ligand ◽  
Single Molecule Magnets ◽  
Field Perturbation

Cu(ii)–Dy(iii) and Co(iii)–Dy(iii) based single molecule magnets with multiple slow magnetic relaxation processes in the Cu(ii)–Dy(iii) complex

2015 ◽  
Vol 44 (29) ◽  
pp. 13242-13249 ◽  
Author(s):  
Malay Dolai ◽  
Mahammad Ali ◽  
Ján Titiš ◽  
Roman Boča
Keyword(s):  
Schiff Base ◽  
Single Molecule ◽  
Schiff Base Ligand ◽  
Magnetic Relaxation ◽  
Magnetic Behaviour ◽  
Dinuclear Complexes ◽  
Relaxation Processes ◽  
Single Molecule Magnets ◽  
Slow Magnetic Relaxation

Two CuII–DyIII and CoIII–DyIII dinuclear complexes of a Schiff base ligand (H3L) exhibit single-molecule magnetic behaviour with multiple slow magnetic relaxation processes for the former.

A new Mo(iv) complex with the pentadentate (N3O2) Schiff-base ligand: the first non-cyanide pentagonal–bipyramidal paramagnetic 4d complex

2017 ◽  
Vol 46 (41) ◽  
pp. 14083-14087 ◽  
Author(s):  
V. S. Mironov ◽  
T. A. Bazhenova ◽  
Yu. V. Manakin ◽  
K. A. Lyssenko ◽  
A. D. Talantsev ◽  
...  
Keyword(s):  
Schiff Base ◽  
Single Molecule ◽  
Schiff Base Ligand ◽  
Schiff Base Complex ◽  
Building Blocks ◽  
Single Molecule Magnets ◽  
Base Complex

Characterized both structurally and magnetically, a new molybdenum(iv) Schiff-base complex represents a novel family of the pentagonal–bipyramidal 4d-metal-based building blocks for construction of advanced single-molecule magnets.

Structural variations in (CuL)2Ln complexes of a series of lanthanide ions with a salen-type unsymmetrical Schiff base(H2L): Dy and Tb derivatives as potential single-molecule magnets

2017 ◽  
Vol 46 (36) ◽  
pp. 12095-12105 ◽  
Author(s):  
Prithwish Mahapatra ◽  
Soumavo Ghosh ◽  
Naoki Koizumi ◽  
Takuya Kanetomo ◽  
Takayuki Ishida ◽  
...  
Keyword(s):  
Schiff Base ◽  
Single Molecule ◽  
Schiff Base Ligand ◽  
Lanthanide Ions ◽  
Structural Variations ◽  
Single Molecule Magnets ◽  
Unsymmetrical Schiff Base

Five heterometallic Cu2Ln complexes (Ln = Gd, Tb, Dy, Ho and Er) have been synthesized using asymmetric Schiff base ligand. Among these, Cu2Tb and Cu2Dy complexes show field induced SMM behaviour.

Ligand ratio/solvent-influenced syntheses, crystal structures, and magnetic properties of polydentate Schiff base ligand-Dy(iii) compounds with β-diketonate ligands as co-ligands

2019 ◽  
Vol 48 (33) ◽  
pp. 12466-12481 ◽  
Author(s):  
Sheng Zhang ◽  
Wenjiao Mo ◽  
Zengqi Zhang ◽  
Fei Gao ◽  
Lei Wang ◽  
...  
Keyword(s):  
Magnetic Properties ◽  
Schiff Base ◽  
Crystal Structures ◽  
Single Molecule ◽  
Schiff Base Ligand ◽  
Single Molecule Magnets ◽  
Magnetic Dynamics ◽  
Synthesis Conditions ◽  
Ligand Ratio

Tuning the synthesis conditions and further regulating the magnetic dynamics of single-molecule magnets (SMMs) are crucial challenges for chemists.

Designing asymmetric Dy2 single-molecule magnets with two-step relaxation processes by the modification of the coordination environments of Dy(iii) ions

2020 ◽  
Vol 49 (26) ◽  
pp. 8976-8984
Author(s):  
Yuan Huang ◽  
Jia-Xin Li ◽  
Yu Ge ◽  
Xia-Mei Zhang ◽  
Yang Xu ◽  
...  
Keyword(s):  
Schiff Base ◽  
Single Molecule ◽  
Schiff Base Ligand ◽  
Slow Relaxation ◽  
Relaxation Processes ◽  
Single Molecule Magnets ◽  
Single Molecule Magnet

The reaction of Dy(NO3)3·6H2O and an asymmetric Schiff-base ligand H2L afforded two asymmetric dinuclear compound. Both complexes exhibit single-molecule magnet behavior with two-step slow relaxation processes.

Heteronuclear Ni(ii)–Ln(iii) (Ln = La, Pr, Tb, Dy) complexes: synthesis and single-molecule magnet behaviour

2016 ◽  
Vol 45 (8) ◽  
pp. 3616-3626 ◽  
Author(s):  
Apoorva Upadhyay ◽  
Chinmoy Das ◽  
Stuart K. Langley ◽  
Keith S. Murray ◽  
Anant K. Srivastava ◽  
...  
Keyword(s):  
Magnetic Susceptibility ◽  
Schiff Base ◽  
Crystal Structures ◽  
Single Molecule ◽  
Schiff Base Ligand ◽  
Ac Magnetic Susceptibility ◽  
Frequency Dependent ◽  
Single Molecule Magnet

The crystal structures are reported for three heterometallic Ni2Ln and a Ni2Dy2 complex, using the Schiff base ligand 2-methoxy-6-[(E)-phenyliminomethyl] phenol. Detailed dc and ac magnetic susceptibility studies were reported for all the complexes. The complexes 3 and 4 shows frequency dependent out-of-phase susceptibility signals.

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