Increasing the effective energy barrier promoted by the change of a counteranion in a Zn-Dy-Zn SMM: slow relaxation via the second excited state

The trinuclear complex [ZnCl(l-L)Dy(l-L)ClZn]PF6 exhibits a single- molecule magnetic behaviour under zero field with a relatively large effective energy barrier of 186 cm1. Ab initio calculations reveal that the relaxation of the magnetization is symmetry-driven (the DyIII ion possesses a C2 symmet...

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Bibliographic Details
Authors: Oyarzabal, I., Ruiz Dueñas, J., Ruiz Sabín, Eliseo, Aravena Ponce, Daniel Alejandro, Seco, J. M., Colacio, Enrique
Format: article
Status:Versión aceptada para publicación
Publication Date:2015
Country:España
Institution:Universidad de Barcelona
Repository:Dipòsit Digital de la UB
OAI Identifier:oai:diposit.ub.edu:2445/154553
Online Access:https://hdl.handle.net/2445/154553
Access Level:Open access
Keyword:Magnetisme
Ions metàl·lics
Magnetism
Metal ions
Description
Summary:The trinuclear complex [ZnCl(l-L)Dy(l-L)ClZn]PF6 exhibits a single- molecule magnetic behaviour under zero field with a relatively large effective energy barrier of 186 cm1. Ab initio calculations reveal that the relaxation of the magnetization is symmetry-driven (the DyIII ion possesses a C2 symmetry) and occurs via the second excited state.

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