The differential magnetic relaxation behaviours of slightly distorted triangular dodecahedral dysprosium analogues in a type of cyano-bridged 3d–4f zig-zag chain compounds

2020 ◽  
Vol 49 (20) ◽  
pp. 6867-6875 ◽  
Author(s):  
An-Qi Xue ◽  
Yang-Yu Liu ◽  
Jia-Xin Li ◽  
Yan Zhang ◽  
Yin-Shan Meng ◽  
...  
Keyword(s):  
Magnetic Properties ◽  
Magnetic Relaxation ◽  
Chain Compounds ◽  
Chain Compound

Differential magnetic properties were observed for triangular dodecahedral dysprosium analogues in a type of cyano-bridged 3d–4f zig-zag chain compound.

A substituent effect of phenylacetic acid coligand perturbed structures and magnetic properties observed in two triple-bridged azido-Cu(ii) chain compounds with ferromagnetic ordering and slow magnetic relaxation

2017 ◽  
Vol 46 (23) ◽  
pp. 7556-7566 ◽  
Author(s):  
Xiangyu Liu ◽  
Xiaohui Ma ◽  
Peipei Cen ◽  
Yuewei Wu ◽  
Chengcheng Zhang ◽  
...  
Keyword(s):  
Magnetic Properties ◽  
Substituent Effect ◽  
Magnetic Relaxation ◽  
Phenylacetic Acid ◽  
Slow Magnetic Relaxation ◽  
Chain Compounds ◽  
Ferromagnetic Ordering

Two triple-bridged azido-Cu(ii) chains exhibit distinct magnetic behaviors.

scholarly journals A Dy(III) Fluorescent Single-Molecule Magnet Based on a Rhodamine 6G Ligand

Inorganics ◽  
2021 ◽  
Vol 9 (7) ◽  
pp. 51
Author(s):  
Lin Miao ◽  
Mei-Jiao Liu ◽  
Man-Man Ding ◽  
Yi-Quan Zhang ◽  
Hui-Zhong Kou
Keyword(s):  
Magnetic Properties ◽  
Single Molecule ◽  
Magnetic Relaxation ◽  
Rhodamine 6G ◽  
Bond Angle ◽  
Magnetic Measurements ◽  
Single Molecule Magnet ◽  
Lanthanide Metals ◽  
Process Studies ◽  
Dual Functions

The complexes of lanthanide metals, especially dysprosium, can generally exhibit excellent magnetic properties. By means of modifying ligands, dual functions or even multi-functions can be achieved. Here, we synthesized an eight-coordinate Dy(III) complex 1, [Dy(HL-o)2(MeOH)2](ClO4)3·4.5MeOH, which is single-molecule magnet (SMM), and the introduction of the rhodamine 6G chromophore in the ring-opened ligand HL-o realizes ligand-centered fluorescence in addition to SMM. Magnetic measurements and ab initio calculations indicate that the magnetic relaxation for complex 1 should be due to the Raman relaxation process. Studies on magneto-structural correlationship of the rhodamine salicylaldehyde hydrazone Dy(III) complexes show that the calculated energy of the first Kramers Doublet (EKD1) is basically related to the Ophenoxy-Dy-Ophenoxy bond angle, i.e., the larger Ophenoxy-Dy-Ophenoxy bond angle corresponds to a larger EKD1.

scholarly journals Magnetic Properties of the Diamond Chain Compound Cu3(CO3)2(OH)2

2005 ◽  
Vol 159 ◽  
pp. 1-10 ◽  
Author(s):  
Hikomitsu Kikuchi ◽  
Yutaka Fujii ◽  
Meiro Chiba ◽  
Seitaro Mitsudo ◽  
Toshitaka Idehara ◽  
...  
Keyword(s):  
Magnetic Properties ◽  
Chain Compound

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.

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.

scholarly journals MAGNETIC PROPERTIES OF LINEAR CHAIN COMPOUNDS FORMED BY LANTHANIDE(III) IONS AND NITRONYL-NITROXIDE RADICALS

1988 ◽  
Vol 49 (C8) ◽  
pp. C8-861-C8-862 ◽  
Author(s):  
C. Benelli ◽  
A. Caneschi ◽  
D. Gatteschi ◽  
L. Pardi ◽  
P. Rey
Keyword(s):  
Magnetic Properties ◽  
Linear Chain ◽  
Nitronyl Nitroxide ◽  
Nitroxide Radicals ◽  
Chain Compounds

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.

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