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Start Over Author "Zhao, Lang" Journal chemistry - a european journal
9 results on '"Zhao, Lang"'

4. Site-Resolved Two-Step Relaxation Process in an Asymmetric Dy2 Single-Molecule Magnet.

Author

Zhang , Li, Jung, Julie, Zhang, Peng, Guo, Mei, Zhao, Lang, Tang, Jinkui, and Le Guennic, Boris

Subjects
SINGLE molecules, RELAXATION phenomena, VISCOELASTICITY, SPECTRUM analysis, PHYSICAL & theoretical chemistry, MAGNETIC entropy
Abstract

Elaborate chemical design is of utmost importance in order to slow down the relaxation dynamics in single-molecule magnets (SMMs) and hence improve their potential applications. Much interest was devoted to the study of distinct relaxation processes related to the different crystal fields of crystallographically independent lanthanide ions. However, the assignment of the relaxation processes to specific metal sites remains a challenging task. To address this challenge, a new asymmetric Dy2 SMM displaying a well-separated two-step relaxation process with the anisotropic centers in fine-tuned local environments was elaborately designed. For the first time a one-to-one relationship between the metal sites and the relaxation processes was evidenced. This work sheds light on complex multiple relaxation and may direct the rational design of lanthanide SMMs with enhanced magnetic properties. [ABSTRACT FROM AUTHOR]

Published
2016
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