期刊
CHEMICAL COMMUNICATIONS
卷 54, 期 59, 页码 8273-8276出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8cc03929a
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资金
- EPSRC [EP/N01331X/1] Funding Source: UKRI
Two new air-stable axial Dy(iii) single-ion magnets, [Dy(H2O)(5)(HMPA)(2)]Cl(3)HMPAH(2)O (1) and [Dy(H2O)(5)(HMPA)(2)]I(3)2HMPA (2) (HMPA = hexamethylphosphoramide), exhibit magnetic hysteresis which remains open up to 9 K for 1@Y and 10 K for 2@Y, respectively. Ab initio calculations, using step-by-step elimination of fragments to generate a series of model complexes, reveal that the secondary coordination sphere plays a key role in controlling the magnetisation reversal barrier and predict that the removal of outer-sphere molecules and anions will enhance the barrier further.
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