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- Title
ATrigonal-Pyramidal Erbium(III) Single-Molecule Magnet.
- Authors
Brown, Andrew J.; Pinkowicz, Dawid; Saber, Mohamed R.; Dunbar, Kim R.
- Abstract
Given the recent advent of mononuclear singlemolecule magnets (SMMs), a rational approach based on lanthanides with axially elongated f-electron charge cloud (prolate) has only recently received attention. We report herein a new SMM, [Li(THF)4[Er{N(SiMe3)2}3Cl]·2THF, which exhibits slow relaxation of the magnetization under zero dc field with an effective barrier to the reversal of magnetization (ΔEeff/kB=63.3 K) and magnetic hysteresis up to 3 K at a magnetic field sweep rate of 34.6 Oes-1. This work questions the theory that oblate or prolate lanthanides must be stabilized with the appropriate ligand framework in order for SMM behavior to be favored.
- Subjects
PYRAMIDAL neurons; ERBIUM; SINGLE molecules; RARE earth metals; MAGNETIZATION; MAGNETIC fields
- Publication
Angewandte Chemie International Edition, 2015, Vol 54, Issue 20, p5864
- ISSN
1433-7851
- Publication type
Article
- DOI
10.1002/anie.201411190