Coexistence of distinct single-ion and exchange-based mechanisms for blocking of magnetization in a CoII2DyIII2 single-molecule magnet
- Mondal, Kartik Chandra
- Sundt, Alexander
- Lan, Yanhua
- Kostakis, George E
- Waldmann, Oliver
- Ungur, Liviu
- Chibotaru, Liviu F
- Anson, Christopher E
- Powell, Annie K
Publication date
July 2012
DOI Publisher
Wiley ISSN
1433-7851 Citation count (estimate)
149Abstract
Two ways to relax: A defect-dicubane Co2Dy2 single-molecule magnet (SMM) displays slow relaxation of magnetization with a blocking temperature of 22 K (at 1500 Hz), the highest reported for a 3d–4f-based SMM. Analysis of the relaxation reveals two distinct blocking regimes, one of which is intraionic, localized on the DyIII ions, while the other is exchange-based
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