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- Title
Insights into Magnetic Interactions in a Monodisperse Gd<sub>12</sub>Fe<sub>14</sub> Metal Cluster.
- Authors
Zheng, Xiu‐Ying; Zhang, Hui; Wang, Zhenxing; Liu, Pengxin; Du, Ming‐Hao; Han, Ying‐Zi; Wei, Rong‐Jia; Ouyang, Zhong‐Wen; Kong, Xiang‐Jian; Zhuang, Gui‐Lin; Long, La‐Sheng; Zheng, Lan‐Sun
- Abstract
The largest Ln-Fe metal cluster [Gd12Fe14(μ3-OH)12(μ4-OH)6(μ4-O)12(TEOA)6(CH3COO)16(H2O)8]⋅(CH3COO)2(CH3CN)2⋅(H2O)20 ( 1) and the core-shell monodisperse metal cluster of 1 a@SiO2 ( 1 a=[Gd12Fe14(μ3-OH)12(μ4-OH)6(μ4-O)12(TEOA)6(CH3COO)16 (H2O)8]2+) were prepared. Experimental and theoretical studies on the magnetic properties of 1 and 1 a@SiO2 reveal that encapsulation of one cluster into one silica nanosphere not only effectively decreases intermolecular magnetic interactions but also significantly increases the zero-field splitting effect of the outer layer Fe3+ ions.
- Subjects
GADOLINIUM compounds; METAL clusters; MAGNETIC properties of metals; MICROENCAPSULATION; INTERMOLECULAR interactions
- Publication
Angewandte Chemie, 2017, Vol 129, Issue 38, p11633
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.201705697