A lanthanide(iii) dodecanuclear structure with a acylhydrazone Schiff-base ligand: slow magnetic relaxation and magnetocaloric effects

CrystEngComm ◽  
2020 ◽  
Vol 22 (44) ◽  
pp. 7623-7627
Author(s):  
Wei Wang ◽  
Jing Zhang ◽  
Ji-Hai Zhao ◽  
Yuan-Chun He ◽  
Meng-Ting Li ◽  
...  
Keyword(s):  
Schiff Base ◽  
Schiff Base Ligand ◽  
Magnetic Relaxation ◽  
Synthesis Process ◽  
Magnetic Dynamics ◽  
Slow Magnetic Relaxation ◽  
New Type

In the complex synthesis process, the design of new type structures of lanthanide clusters with high nuclearity provides an opportunity to understand the nature of magnetic dynamics.

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.

The near-infrared luminescence and magnetism of dinuclear complexes with different local symmetries constructed from a β-diketonate co-ligand and bis-Schiff base ligand

2020 ◽  
Vol 44 (6) ◽  
pp. 2561-2570 ◽  
Author(s):  
Huan-Huan Chen ◽  
Dong-Fang Wu ◽  
Yao-Yao Duan ◽  
Ling Li ◽  
Yun-Juan Wang ◽  
...  
Keyword(s):  
Schiff Base ◽  
Schiff Base Ligand ◽  
Magnetic Relaxation ◽  
Near Infrared ◽  
Relaxation Behavior ◽  
Dinuclear Complexes ◽  
Infrared Luminescence ◽  
Slow Magnetic Relaxation ◽  
Local Symmetries

A DyIII-complex based on a β-diketonate co-ligand and bi-Schiff base ligand displays slow magnetic relaxation behavior.

Slow magnetic relaxation in O–Se–O bridged manganese(iii) Schiff base complexes

2020 ◽  
Vol 44 (6) ◽  
pp. 2408-2413 ◽  
Author(s):  
Shao-Liang Zhang ◽  
Shan-Shan Li ◽  
Su-Yuan Zeng ◽  
Yang Shi ◽  
Da-Qi Wang ◽  
...  
Keyword(s):  
Schiff Base ◽  
Building Block ◽  
Magnetic Relaxation ◽  
Schiff Base Complexes ◽  
Chain Complexes ◽  
Slow Magnetic Relaxation

Two new chain complexes consisting of a Mn(salen) building block bridged by O–Se–O units, [Mn2(salen)2(L)](ClO4) (1) and {[Mn(salen)]2(L)2}·Y (2) (salen = N,N′-bis(salicylidene)-ethylenediamine, L = 3,4,5-trifluorobenzeneseleninic acid, Y = salicylaldehyde) have been synthesized and characterized structurally and magnetically.

Construction of a family of Ln3 clusters using multidentate Schiff base and β-diketonate ligands: fluorescence properties, magnetocaloric effect and slow magnetic relaxation

2020 ◽  
Vol 44 (22) ◽  
pp. 9230-9237 ◽  
Author(s):  
Wen-Min Wang ◽  
Yu Gao ◽  
Rong-Xin Yue ◽  
Na Qiao ◽  
Dan-Tong Wang ◽  
...  
Keyword(s):  
Schiff Base ◽  
Solid State ◽  
Magnetocaloric Effect ◽  
Magnetic Relaxation ◽  
Magnetic Refrigeration ◽  
Fluorescence Properties ◽  
Slow Magnetic Relaxation ◽  
Solid State Fluorescence

Seven μ-Oacylhydrazone-bridged Ln3 clusters were synthesized. Cluster 3 displayed magnetic refrigeration properties, whereas cluster 5 showed slow magnetic relaxation. The solid-state fluorescence properties of 2, 4 and 5 were also studied.

Syntheses, crystal structures, magnetochemistry and catechol oxidase activity of a tetracopper(ii) compound and a new type of dicopper(ii)-based 1D coordination polymer

2017 ◽  
Vol 41 (11) ◽  
pp. 4689-4701 ◽  
Author(s):  
Leena Mandal ◽  
Shuvankar Mandal ◽  
Sasankasekhar Mohanta
Keyword(s):  
Schiff Base ◽  
Coordination Polymer ◽  
Crystal Structures ◽  
Schiff Base Ligand ◽  
Oxidase Activity ◽  
Catechol Oxidase ◽  
Tetranuclear Cluster ◽  
One Dimensional ◽  
1D Coordination Polymer ◽  
New Type

One phenoxo–hydroxo bridged tetranuclear cluster and one phenoxo-µ1,1-azido-µ1,3-azido bridged one-dimensional coordination polymer of copper(ii) derived from a Schiff base ligand are described.

Modulating single-molecule magnet behavior towards multiple magnetic relaxation processes through structural variation in Dy4 clusters

2018 ◽  
Vol 5 (8) ◽  
pp. 1876-1885 ◽  
Author(s):  
Wen-Min Wang ◽  
Xiao-Min Kang ◽  
Hai-Yun Shen ◽  
Zhi-Lei Wu ◽  
Hong-Ling Gao ◽  
...  
Keyword(s):  
Schiff Base ◽  
Single Molecule ◽  
Schiff Base Ligand ◽  
Magnetic Relaxation ◽  
Structural Variation ◽  
Slow Relaxation ◽  
Relaxation Processes ◽  
Magnetic Studies ◽  
Single Molecule Magnet

Three Dy4 clusters based on a flexible and attractive Schiff base ligand HL have been synthesized, and they showed different tetranuclear core arrangements. Magnetic studies reveal that clusters 1–3 display distinct slow relaxation of magnetization.

Four mononuclear dysprosium complexes with neutral Schiff-base ligands: syntheses, crystal structures and slow magnetic relaxation behavior

2022 ◽  
Author(s):  
Hui Yang ◽  
Shan-Shan Liu ◽  
Yin-Shan Meng ◽  
Yi-Quan Zhang ◽  
Lin Pu ◽  
...  
Keyword(s):  
Schiff Base ◽  
Crystal Structures ◽  
Magnetic Relaxation ◽  
Relaxation Behavior ◽  
Schiff Base Ligands ◽  
Slow Magnetic Relaxation

Four mononuclear 9-coordinate Dy-based complexes, [Dy(HL1)2(NO3)3(CH3OH)] (1Dy), [Dy(HL2)2(NO3)3(H2O)] (2Dy), [Dy(HL3)3(NO3)3]·CH3CN (3Dy), [Dy(HL4)3(NO3)3] (4Dy), have been constructed by neutral Schiff-base ligands (1-[N-(4-R)aminomethylidene-2(1H)-naphthalenone, R=-Cl (HL1), -NO2 (HL2), -OCH3 (HL3), -I (HL4) )....

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