scholarly journals A family of multi-spin rare-earth complexes based on a triazole nitronyl nitroxide radical: synthesis, structure and magnetic properties

RSC Advances ◽  
2018 ◽  
Vol 8 (28) ◽  
pp. 15480-15486 ◽  
Author(s):  
Peng Yun Chen ◽  
Ming Ze Wu ◽  
Xiu Juan Shi ◽  
Li Tian
Keyword(s):  
Magnetic Properties ◽  
Rare Earth ◽  
Magnetic Relaxation ◽  
Nitroxide Radical ◽  
Rare Earth Complexes ◽  
Nitronyl Nitroxide ◽  
Nitronyl Nitroxide Radical ◽  
Frequency Dependent ◽  
Magnetic Susceptibilities ◽  
Slow Magnetic Relaxation

Three LnIII–triazole–radical complexes have been synthesized, which exhibit interesting magnetic properties. The TbIII complex shows frequency-dependent ac magnetic susceptibilities, which suggests the presence of slow magnetic relaxation.

A family of rare earth complexes with chelating furan biradicals: syntheses, structures and magnetic properties

RSC Advances ◽  
2015 ◽  
Vol 5 (91) ◽  
pp. 74864-74873 ◽  
Author(s):  
Xin Li ◽  
Ting Li ◽  
Li Tian ◽  
Zhong Yi Liu ◽  
Xiu Guang Wang
Keyword(s):  
Magnetic Properties ◽  
Rare Earth ◽  
Magnetic Relaxation ◽  
Rare Earth Complexes ◽  
Frequency Dependent ◽  
Magnetic Susceptibilities ◽  
Slow Magnetic Relaxation

Six LnIII–furan-biradical tri-spin complexes have been synthesized, they exhibit interesting magnetic properties. DyIIIcomplex shows frequency-dependent ac magnetic susceptibilities, which suggests the presence of slow magnetic relaxation.

Syntheses and magnetic properties of a bis-tridentate nitronyl nitroxide radical and its metal complexes

2019 ◽  
Vol 48 (15) ◽  
pp. 4774-4778 ◽  
Author(s):  
Hao Miao ◽  
Miao Li ◽  
Hong-Qing Li ◽  
Fu-Xing Shen ◽  
Yi-Quan Zhang ◽  
...  
Keyword(s):  
Magnetic Properties ◽  
Metal Complexes ◽  
Magnetic Relaxation ◽  
Nitroxide Radical ◽  
Nitronyl Nitroxide ◽  
Nitronyl Nitroxide Radical ◽  
Slow Magnetic Relaxation

A new bis-tridentate nitronyl nitroxide radical was synthesized and characterized. Field-induced slow magnetic relaxation was observed in the radical-bridged CoII complex.

Tetranuclear rare-earth complexes: energy barrier enhancement and two-step slow magnetic relaxation activated by ligand substitution

2019 ◽  
Vol 6 (3) ◽  
pp. 756-764 ◽  
Author(s):  
Jian Gou ◽  
Shuang Liu ◽  
Yun-Juan Wang ◽  
Ling Li ◽  
Peng Ren ◽  
...  
Keyword(s):  
Magnetic Properties ◽  
Rare Earth ◽  
Energy Barrier ◽  
Magnetic Relaxation ◽  
Ligand Substitution ◽  
Rare Earth Complexes ◽  
Slow Magnetic Relaxation

The influence of tuning the β-diketone on the modulation of the magnetic properties is demonstrated.

A loop chain and a three-dimensional network assembled from a multi-dentate nitronyl nitroxide radical and M(hfac)2 (M = CoII, CuII)

2018 ◽  
Vol 47 (41) ◽  
pp. 14630-14635 ◽  
Author(s):  
Juan Sun ◽  
Lu Xi ◽  
Jing Xie ◽  
Kang Wang ◽  
Licun Li ◽  
...  
Keyword(s):  
Magnetic Relaxation ◽  
Three Dimensional ◽  
Nitroxide Radical ◽  
Nitronyl Nitroxide ◽  
Nitronyl Nitroxide Radical ◽  
Dimensional Network ◽  
Slow Magnetic Relaxation ◽  
Loop Chain ◽  
3D Framework

A unique loop chain and a 3D framework involving multidentate nitronyl nitroxide are reported and a Co complex exhibits slow magnetic relaxation.

Slow magnetic relaxation of Ln(III)-nitronyl nitroxide radical complexes with shortest non-covalent O⋯O contacts

2019 ◽  
Vol 1197 ◽  
pp. 666-671 ◽  
Author(s):  
Xiao-Ying Yin ◽  
Dan-Hua Shi ◽  
Huan Wang ◽  
Shu-Ping Wang ◽  
Jian-Jun Zhang ◽  
...  
Keyword(s):  
Magnetic Relaxation ◽  
Nitroxide Radical ◽  
Nitronyl Nitroxide ◽  
Nitronyl Nitroxide Radical ◽  
Slow Magnetic Relaxation

Synthesis of a series of hetero-multi-spin Ln2Cu3 complexes based on a methyl-pyrazole nitronyl nitroxide radical with slow magnetic relaxation behaviors

2019 ◽  
Vol 48 (25) ◽  
pp. 9187-9193 ◽  
Author(s):  
Jian Yun Shi ◽  
Peng Yun Chen ◽  
Ming Ze Wu ◽  
Li Tian ◽  
Zhong Yi Liu
Keyword(s):  
Relaxation Process ◽  
Magnetic Relaxation ◽  
Nitroxide Radical ◽  
Nitronyl Nitroxide ◽  
Nitronyl Nitroxide Radical ◽  
Slow Magnetic Relaxation

Three multinuclear hetero-tri-spin complexes (Ln2Cu3) have been synthesized based on a methyl-pyrazole nitronyl nitroxide radical. Tb complex shows a single relaxation process.

Multifunctional properties of {CuII2LnIII2} systems involving nitrogen-rich nitronyl nitroxide: single-molecule magnet behavior, luminescence, magnetocaloric effects and heat capacity

2021 ◽  
Author(s):  
Hongdao Li ◽  
Pei Jing ◽  
Jiao Lu ◽  
Lu Xi ◽  
Qi Wang ◽  
...  
Keyword(s):  
Heat Capacity ◽  
Magnetic Properties ◽  
Single Molecule ◽  
Nitroxide Radical ◽  
Nitronyl Nitroxide ◽  
Nitronyl Nitroxide Radical ◽  
Single Molecule Magnet ◽  
Luminescence Behavior ◽  
Multifunctional Properties

A family of 3d–4f heterometallic ring-shaped clusters on the basis of a nitrogen-rich nitronyl nitroxide radical have been obtained, and they feature polyfunctionality including magnetic properties, thermodynamics and luminescence behavior.

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