Tetrairon(II) Extended Metal Atom Chains as Single-Molecule Magnets

2021 ◽  
Author(s):  
Alessio Nicolini ◽  
Marco Affronte ◽  
Daniel J. SantaLucia ◽  
Marco Borsari ◽  
Benjamin Cahier ◽  
...  
Keyword(s):  
Magnetic Anisotropy ◽  
High Spin ◽  
Metal Atom ◽  
Single Molecule ◽  
Single Molecule Magnets ◽  
Iron Based

Iron-based extended metal atom chains (EMACs) are potentially high-spin molecules with axial magnetic anisotropy and thus candidate single-molecule magnets (SMMs). We herein compare the tetrairon(II), halide-capped complexes [Fe4(tpda)3Cl2] (1Cl) and...

Magnetic anisotropy on demand exploiting high-pressure as remote control: an ab initio proof-of-concept

2021 ◽  
Author(s):  
Matteo Briganti ◽  
Federico Totti
Keyword(s):  
High Pressure ◽  
High Temperature ◽  
Remote Control ◽  
Magnetic Anisotropy ◽  
Ab Initio ◽  
Single Molecule ◽  
Boiling Temperature ◽  
Proof Of Concept ◽  
Single Molecule Magnets ◽  
On Demand

Lanthanide based single molecule magnets have recently become very promising systems for creating single molecule device working at high temperature (nitrogen boiling temperature). However, the variation of direction of the...

Enhanced energy barriers triggered by magnetic anisotropy modulation via tuning the functional groups on the bridging ligands in Dy2 single-molecule magnets

2018 ◽  
Vol 47 (42) ◽  
pp. 15197-15205 ◽  
Author(s):  
Yaru Qin ◽  
Yu Jing ◽  
Yu Ge ◽  
Wei Liu ◽  
Yahong Li ◽  
...  
Keyword(s):  
Magnetic Anisotropy ◽  
Functional Groups ◽  
Single Molecule ◽  
Energy Barrier ◽  
Energy Barriers ◽  
Single Molecule Magnets ◽  
Bridging Ligands

Two dinuclear dysprosium complexes of 1 and 2 have been synthesized and both of them exhibit SMM behavior. The energy barrier is enhanced ca. 35 K by elaborately tuning the backbones of the ligands.

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