3D isomorphous lanthanide coordination polymers displaying magnetic refrigeration, slow magnetic relaxation and tunable proton conduction

2018 ◽  
Vol 47 (43) ◽  
pp. 15405-15415 ◽  
Author(s):  
Siba Prasad Bera ◽  
Arpan Mondal ◽  
Subhadip Roy ◽  
Bijoy Dey ◽  
Atanu Santra ◽  
...  
Keyword(s):  
Magnetic Properties ◽  
Coordination Polymers ◽  
Magnetic Relaxation ◽  
Magnetic Refrigeration ◽  
Proton Conduction ◽  
Lanthanide Coordination Polymers ◽  
Slow Magnetic Relaxation ◽  
Coordination Frameworks

Four lanthanide 3D coordination frameworks with 1D hydrophilic channels along the crystallographic c direction have been investigated for their proton conduction and magnetic properties.

Structures, fluorescence properties and magnetic properties of a series of rhombus-shaped LnIII4 clusters: magnetocaloric effect and single-molecule-magnet behavior

2019 ◽  
Vol 43 (33) ◽  
pp. 12941-12949 ◽  
Author(s):  
Wen-Min Wang ◽  
Li Zhang ◽  
Xian-Zhen Li ◽  
Li-Yuan He ◽  
Xin-Xin Wang ◽  
...  
Keyword(s):  
Magnetic Properties ◽  
Magnetocaloric Effect ◽  
Single Molecule ◽  
Magnetic Relaxation ◽  
Magnetic Refrigeration ◽  
Fluorescence Properties ◽  
Relaxation Processes ◽  
Magnetic Studies ◽  
Single Molecule Magnet ◽  
Slow Magnetic Relaxation

A family LnIII4 clusters were successfully synthesized and structurally characterized. Magnetic studies show that Gd4 cluster displays magnetic refrigeration, while Dy4 cluster demonstrates two distinct slow magnetic relaxation processes.

Field-Induced Slow Magnetic Relaxation and Anion/Solvent Dependent Proton Conduction in Cobalt(II) Coordination Polymers

2018 ◽  
Vol 18 (10) ◽  
pp. 6211-6220 ◽  
Author(s):  
Partha Mondal ◽  
Bijoy Dey ◽  
Subhadip Roy ◽  
Siba Prasad Bera ◽  
Rajendar Nasani ◽  
...  
Keyword(s):  
Coordination Polymers ◽  
Magnetic Relaxation ◽  
Proton Conduction ◽  
Slow Magnetic Relaxation

Luminescence and slow magnetic relaxation of isostructural 2D lanthanide metal–organic frameworks derived from both nicotinate N-oxide and glutarate

RSC Advances ◽  
2015 ◽  
Vol 5 (113) ◽  
pp. 92980-92987 ◽  
Author(s):  
Cai-Ming Liu ◽  
De-Qing Zhang ◽  
Xiang Hao ◽  
Dao-Ben Zhu
Keyword(s):  
Coordination Polymers ◽  
Magnetic Relaxation ◽  
Metal Organic Frameworks ◽  
Lanthanide Ions ◽  
Lanthanide Coordination Polymers ◽  
Slow Magnetic Relaxation ◽  
Metal Organic ◽  
Lanthanide Metal

The isostructural 2D lanthanide coordination polymers may exhibit either luminescence or slow magnetic relaxation, depending on the lanthanide ions.

Multifunctional ZnII-LnIII (Ln = Tb, Dy) complexes based on the amine-phenol ligand with field-induced slow magnetic relaxation, luminescence, and proton conduction

2021 ◽  
Author(s):  
Xiao-Nuan Zhang ◽  
Jun-Jie Hu ◽  
Jia-Li Zhang ◽  
Sui-Jun Liu ◽  
Jinsheng Liao ◽  
...  
Keyword(s):  
Magnetic Relaxation ◽  
Proton Conduction ◽  
Heterometallic Complexes ◽  
Slow Magnetic Relaxation

Two new ZnII−LnIII heterometallic complexes derived from the amine-phenol ligand, namely [Zn2Ln(L)2(H2O)2](ClO4)3·3.5H2O (Ln = Dy (1) and Tb (2), H2L = 1,2-bis(3-methoxysalicylideneethylaminooxy)ethane) have been synthesized and structurally characterized. Complexes 1...

scholarly journals Nitronyl Nitroxide Biradical-Based Binuclear Lanthanide Complexes: Structure and Magnetic Properties

2020 ◽  
Vol 6 (4) ◽  
pp. 48
Author(s):  
Lu Xi ◽  
Jing Han ◽  
Xiaohui Huang ◽  
Licun Li
Keyword(s):  
Magnetic Properties ◽  
Magnetic Relaxation ◽  
Lanthanide Complexes ◽  
Magnetic Data ◽  
Antiferromagnetic Coupling ◽  
Zero Field ◽  
Nitronyl Nitroxide ◽  
Ferromagnetic Exchange ◽  
Binuclear Structure ◽  
Slow Magnetic Relaxation

Employing a new nitronyl nitroxide biradical NITPhPzbis(NITPhPzbis = 5-(1-pyrazolyl)-1,3-bis(1’-oxyl-3’-oxido-4’,4’,5’,5’-tetramethyl-4,5-hydro-1H-imidazol-2-yl)benzene), a series of 2p-4f complexes [Ln2(hfac)6(H2O)(NITPhPzbis)] (LnIII = Gd1, Tb2, Dy3; hfac = hexafluoroacetylacetonate) were successfully synthesized. In complexes 1–3, the designed biradical NITPhPzbis coordinates with two LnIII ions in chelating and bridging modes to form a four-spin binuclear structure. Direct-current magnetic study of Gd analogue indicates that ferromagnetic exchange exists between the Gd ion and the radical while antiferromagnetic coupling dominates between two mono-radicals. Dynamic magnetic data show that the χ” signals of complex 3 exhibit frequency dependence under zero field, demonstrating slow magnetic relaxation behavior in complex 3. And the estimated values of Ueff and τ0 are about 8.4 K and 9.1 × 10−8 s, respectively.

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