Volume 119, Number 5, September 2017
|Number of page(s)||6|
|Section||Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties|
|Published online||21 November 2017|
Spin selection rules on the quantum tunneling of magnetization in Mn3 molecule magnets with intermolecular exchange couplings
1 Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences Beijing 100190, China
2 University of Chinese Academy of Sciences - Beijing 100049, China
Received: 4 May 2017
Accepted: 18 October 2017
By means of low-temperature magnetic measurements, it is seen that, quantum spin selection rules also apply to the Mn3 molecule magnets which have intermolecular exchange couplings. The absence of two splitting steps of the tunneling from |6〉 to |−5〉 indicates that the transitions are confined to the C3 molecular symmetry. This is the first manifestation of quantum phase interference in the molecule magnets with intermolecular exchange couplings.
PACS: 75.45.+j – Macroscopic quantum phenomena in magnetic systems / 75.50.Xx – Molecular magnets / 03.65.Vf – Phases: geometric; dynamic or topological
© EPLA, 2017
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