Please use this identifier to cite or link to this item: https://doi.org/10.1002/chem.201302600
Title: Angular-Resolved Magnetometry Beyond Triclinic Crystals: Out-of-Equilibrium Studies of Cp*ErCOT Single-Molecule Magnet
Authors: Boulon, Marie-Emmanuelle
Cucinotta, Giuseppe
Liu, Shan-Shan
Jiang, Shang-Da
Ungur, Liviu 
Chibotaru, Liviu F
Gao, Song 
Sessoli, Roberta
Keywords: Science & Technology
Physical Sciences
Chemistry, Multidisciplinary
Chemistry
ab initio calculations
anisotropy
lanthanides
magnetic properties
molecular design
GROUND-STATE
SPIN
ANISOTROPY
LANTHANIDES
COMPLEXES
DESIGN
SERIES
Issue Date: 4-Oct-2013
Publisher: WILEY-V C H VERLAG GMBH
Citation: Boulon, Marie-Emmanuelle, Cucinotta, Giuseppe, Liu, Shan-Shan, Jiang, Shang-Da, Ungur, Liviu, Chibotaru, Liviu F, Gao, Song, Sessoli, Roberta (2013-10-04). Angular-Resolved Magnetometry Beyond Triclinic Crystals: Out-of-Equilibrium Studies of Cp*ErCOT Single-Molecule Magnet. CHEMISTRY-A EUROPEAN JOURNAL 19 (41) : 13726-13731. ScholarBank@NUS Repository. https://doi.org/10.1002/chem.201302600
Abstract: Angular-resolved single-crystal magnetometry is a key tool to characterise lanthanide-based materials with low symmetry, for which conjectures based on idealised geometries can be totally misleading. Unfortunately the technique is strictly successful only for triclinic structures, thus reducing significantly its application. By collecting out-of-equilibrium magnetisation data the technique was extended to the orthorhombic organometallic Cp*ErCOT single-molecule magnet (SMM), thus allowing for the first time the reconstruction of the molecular anisotropy tensor notwithstanding the two molecular orientations in the crystal lattice. The results, flanked by state-of-the-art ab initio calculations, confirmed the expected orientation of the molecular easy axis of magnetisation and thus validated the synthetic strategy based on organometallic complexes of a single lanthanide ion. From crystal to molecule: Angular-resolved magnetometry on single crystals, a powerful tool to investigate magnetic anisotropy, has been extended to non-triclinic single-molecule magnets (i.e., those that contain more than one orientation of the molecules in the crystal) by exploiting the reconstruction of the molecular anisotropy tensor from out-of-equilibrium magnetization data (see figure). Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Source Title: CHEMISTRY-A EUROPEAN JOURNAL
URI: https://scholarbank.nus.edu.sg/handle/10635/228828
ISSN: 09476539
15213765
DOI: 10.1002/chem.201302600
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