A mononuclear Ni(ii) complex: a field induced single-molecule magnet showing two slow relaxation processes

2015 ◽  
Vol 44 (28) ◽  
pp. 12484-12487 ◽  
Author(s):  
Jozef Miklovič ◽  
Dušan Valigura ◽  
Roman Boča ◽  
Ján Titiš
Keyword(s):  
External Field ◽  
Magnetic Anisotropy ◽  
Single Molecule ◽  
Slow Relaxation ◽  
Relaxation Processes ◽  
Single Molecule Magnet ◽  
Superparamagnetic Behavior

The complex [Ni(pydc)(pydm)]·H2O, pyridine-2,6-dicarboxylato-2,6-bis(hydroxymethyl)pyridine-nickel(ii) monohydrate, possesses a sizable magnetic anisotropy, D/hc = −14 cm−1. It displays superparamagnetic behavior in an applied external field that culminates at BDC = 0.2 T.

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.

Designing asymmetric Dy2 single-molecule magnets with two-step relaxation processes by the modification of the coordination environments of Dy(iii) ions

2020 ◽  
Vol 49 (26) ◽  
pp. 8976-8984
Author(s):  
Yuan Huang ◽  
Jia-Xin Li ◽  
Yu Ge ◽  
Xia-Mei Zhang ◽  
Yang Xu ◽  
...  
Keyword(s):  
Schiff Base ◽  
Single Molecule ◽  
Schiff Base Ligand ◽  
Slow Relaxation ◽  
Relaxation Processes ◽  
Single Molecule Magnets ◽  
Single Molecule Magnet

The reaction of Dy(NO3)3·6H2O and an asymmetric Schiff-base ligand H2L afforded two asymmetric dinuclear compound. Both complexes exhibit single-molecule magnet behavior with two-step slow relaxation processes.

Wheel-type heterometallic ferromagnetic clusters: [Ni7−xMx(HL)6(μ3-OMe)4(μ3-OH)2]Cl2 (M = Zn, Co, Mn; x = 1, 3)

2018 ◽  
Vol 47 (46) ◽  
pp. 16422-16428 ◽  
Author(s):  
Fumiya Kobayashi ◽  
Ryo Ohtani ◽  
Sotaro Kusumoto ◽  
Leonard F. Lindoy ◽  
Shinya Hayami ◽  
...  
Keyword(s):  
Magnetic Anisotropy ◽  
Single Molecule ◽  
Metal Ion ◽  
Heterometallic Clusters ◽  
Single Molecule Magnet ◽  
Ferromagnetic Properties ◽  
Behavior Based

Wheel-type heptanuclear heterometallic clusters display metal ion dependent ferromagnetic properties and express single molecule magnet behavior based on the magnetic anisotropy.

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.

Magnetic field and dilution effects on the slow relaxation of {Er3} triangle-based arsenotungstate single-molecule magnets

2020 ◽  
Vol 49 (35) ◽  
pp. 12458-12465 ◽  
Author(s):  
Hanhan Chen ◽  
Lin Sun ◽  
Jinpeng Zhang ◽  
Zikang Xiao ◽  
Pengtao Ma ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Single Molecule ◽  
Magnetic Relaxation ◽  
Slow Relaxation ◽  
Relaxation Processes ◽  
Single Molecule Magnets ◽  
Thermally Activated ◽  
Slow Magnetic Relaxation ◽  
Dilution Effects

Triangular {Er3} cluster containing POM exhibits field-induced two thermally activated relaxation processes. Whereas, the diamagnetic dilution sample indicates slow magnetic relaxation with the QTM being partially suppressed.

scholarly journals Field-Induced Slow Relaxation in a Monometallic Manganese(III) Single-Molecule Magnet

2014 ◽  
Vol 54 (1) ◽  
pp. 13-15 ◽  
Author(s):  
Gavin A. Craig ◽  
Jonathan J. Marbey ◽  
Stephen Hill ◽  
Olivier Roubeau ◽  
Simon Parsons ◽  
...  
Keyword(s):  
Single Molecule ◽  
Slow Relaxation ◽  
Single Molecule Magnet

Fine-tuning the type of equatorial donor atom in pentagonal bipyramidal Dy(iii) complexes to enhance single-molecule magnet properties

2019 ◽  
Vol 48 (43) ◽  
pp. 16384-16394 ◽  
Author(s):  
Haipeng Wu ◽  
Min Li ◽  
Bing Yin ◽  
Zhengqiang Xia ◽  
Hongshan Ke ◽  
...  
Keyword(s):  
Magnetic Anisotropy ◽  
Single Molecule ◽  
Electronic Effect ◽  
Fine Tuning ◽  
Donor Atom ◽  
Single Molecule Magnet

Upon fine-tuning an equatorial donor, the electronic effect is implemented to significantly enhance magnetic anisotropy in pentagonal bipyramidal DyIII complexes.

scholarly journals Probing transverse magnetic anisotropy by electronic transport through a single-molecule magnet

2015 ◽  
Vol 91 (3) ◽  
Author(s):  
M. Misiorny ◽  
E. Burzurí ◽  
R. Gaudenzi ◽  
K. Park ◽  
M. Leijnse ◽  
...  
Keyword(s):  
Magnetic Anisotropy ◽  
Single Molecule ◽  
Electronic Transport ◽  
Transverse Magnetic ◽  
Single Molecule Magnet
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