Symmetry-Supported Magnetic Blocking at 20 K in Pentagonal Bipyramidal Dy(III) Single-Ion Magnets

Chen, Yan‐Cong; Liu, Jun‐Liang; Ungur, Liviu; Liu, Jiang; Li, Quan-Wen; Wang, Longfei; Ni, Zhao‐Ping; Chibotaru, Liviu F.; Chen, Xiao‐Ming; Tong, Ming‐Liang

doi:10.1021/jacs.5b13584

articleJournal of the American Chemical SocietyJan 31, 2016Closed access

Symmetry-Supported Magnetic Blocking at 20 K in Pentagonal Bipyramidal Dy(III) Single-Ion Magnets

YCYan‐Cong Chen JLJun‐Liang Liu LULiviu Ungur JLJiang Liu QLQuan-Wen Li

Sun Yat-sen University · KU Leuven · +1 more institution

PubMed

Indexed incrossrefpubmed

Abstract

Single-molecule magnets (SMMs) that can be trapped in one of the bistable magnetic states separated by an energy barrier are among the most promising candidates for high-density information storage, quantum processing, and spintronics. To date, a considerable series of achievements have been made. However, the presence of fast quantum tunnelling of magnetization (QTM) in most SMMs, especially in single-ion magnets (SIMs), provides a rapid relaxation route and often sets up a limit for the relaxation time. Here, we pursue the pentagonal bipyramidal symmetry to suppress the QTM and present pentagonal bipyramidal Dy(III) SIMs [Dy(Cy3PO)2(H2O)5]Cl3·(Cy3PO)·H2O·EtOH (1) and [Dy(Cy3PO)2(H2O)5]Br3·2(Cy3PO)·2H2O·2EtOH…

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849

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Topics & keywords

Topics

Keywords

Chemistry
Magnetism
Pentagonal bipyramidal molecular geometry
Magnetization
Magnet
Condensed matter physics
Relaxation (psychology)
Bistability

UN Sustainable Development Goals

Affordable and clean energy

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