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) )....

scholarly journals Structure and magnetism of two chair-shaped hexanuclear dysprosium(iii) complexes exhibiting slow magnetic relaxation

RSC Advances ◽  
2018 ◽  
Vol 8 (2) ◽  
pp. 767-774 ◽  
Author(s):  
Zi-Yuan Liu ◽  
Hua-Hong Zou ◽  
Rong Wang ◽  
Man-Sheng Chen ◽  
Fu-Pei Liang
Keyword(s):  
Schiff Base ◽  
Low Temperature ◽  
Magnetic Relaxation ◽  
Building Blocks ◽  
Relaxation Behavior ◽  
Schiff Base Ligands ◽  
Slow Magnetic Relaxation

We report two novel chair-shaped hexanuclear DyIII complexes with different polyhydroxy Schiff-base ligands. Both complexes are constructed with Dy3 triangular motifs as building blocks and exhibit slow magnetic relaxation behavior at low temperature.

Syntheses, crystal structures and magnetic properties of two mixed-valence Co(iii)Co(ii) compounds derived from Schiff base ligands: field-supported single-ion-magnet behavior with easy-plane anisotropy

2017 ◽  
Vol 46 (38) ◽  
pp. 13135-13144 ◽  
Author(s):  
Shuvankar Mandal ◽  
Suraj Mondal ◽  
Cyril Rajnák ◽  
Ján Titiš ◽  
Roman Boča ◽  
...  
Keyword(s):  
Magnetic Properties ◽  
Schiff Base ◽  
Crystal Structures ◽  
Magnetic Relaxation ◽  
Mixed Valence ◽  
Easy Plane ◽  
Schiff Base Ligands ◽  
Plane Anisotropy ◽  
Amino Phenol ◽  
Slow Magnetic Relaxation

Positive D values and slow magnetic relaxation with two relaxation channels have been observed in two CoIIICoII compounds derived from imino-amino-phenol ligands.

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.

Bulky Schiff-base ligand supported Co(ii) single-ion magnets with zero-field slow magnetic relaxation

2020 ◽  
Vol 49 (18) ◽  
pp. 5798-5802 ◽  
Author(s):  
Guo Peng ◽  
Yue Chen ◽  
Bo Li ◽  
Yi-Quan Zhang ◽  
Xiao-Ming Ren
Keyword(s):  
Schiff Base ◽  
Magnetic Relaxation ◽  
Magnetic Hysteresis ◽  
Hysteresis Loops ◽  
Static Field ◽  
Zero Field ◽  
Coordination Geometry ◽  
Schiff Base Ligands ◽  
Slow Magnetic Relaxation ◽  
Magnetic Hysteresis Loops

Two mononuclear Co(ii) complexes with tetrahedral coordination geometry have been constructed from different bulky Schiff-base ligands, and they show slow magnetic relaxation without a static field and magnetic hysteresis loops at 2 K.

Dinuclear Ln(iii) complexes constructed from an 8-hydroxyquinoline Schiff base derivative with different terminal groups show differing slow magnetic relaxation

2017 ◽  
Vol 41 (14) ◽  
pp. 6251-6261 ◽  
Author(s):  
Yi-Xin Chang ◽  
Wen-Min Wang ◽  
Ru-Xia Zhang ◽  
Hai-Yun Shen ◽  
Xiao-Pu Zhou ◽  
...  
Keyword(s):  
Schiff Base ◽  
Magnetic Relaxation ◽  
Relaxation Behavior ◽  
Base Derivative ◽  
Slow Magnetic Relaxation

Two series of Ln2 complexes display substituent-dependent magnetic relaxation behavior.

A new family of dinuclear lanthanide complexes constructed from an 8-hydroxyquinoline Schiff base and β-diketone: magnetic properties and near-infrared luminescence

2019 ◽  
Vol 48 (4) ◽  
pp. 1392-1403 ◽  
Author(s):  
Dong-Fang Wu ◽  
Zhen Liu ◽  
Peng Ren ◽  
Xiao-He Liu ◽  
Ning Wang ◽  
...  
Keyword(s):  
Magnetic Properties ◽  
Schiff Base ◽  
Magnetocaloric Effect ◽  
Magnetic Relaxation ◽  
Lanthanide Complexes ◽  
Near Infrared ◽  
Relaxation Behavior ◽  
New Family ◽  
Infrared Luminescence ◽  
Slow Magnetic Relaxation

Gd/Dy complexes based on 8-hydroxiquinoline derivatives display a magnetocaloric effect and slow magnetic relaxation behavior.

Slow magnetic relaxation in dinuclear dysprosium and holmium phenoxide bridged complexes: a Dy2 single molecule magnet with a high energy barrier

2021 ◽  
Author(s):  
Matilde Fondo ◽  
Julio Corredoira-Vázquez ◽  
Ana M. Garcia-Deibe ◽  
Jesus Sanmartin Matalobos ◽  
Silvia Gómez-Coca ◽  
...  
Keyword(s):  
Crystal Structures ◽  
Single Molecule ◽  
Energy Barrier ◽  
Magnetic Relaxation ◽  
High Energy ◽  
Single Molecule Magnet ◽  
High Energy Barrier ◽  
Slow Magnetic Relaxation

Dinuclear [M(H3L1,2,4)]2 (M = Dy, Dy2; M = Ho, Ho2) complexes were isolated from an heptadentate aminophenol ligand. The crystal structures of Dy2·2THF, and the pyridine adducts Dy2·2Py and Ho2·2Py,...

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