Increasing the Magnetic Blocking Temperature of Single‐Molecule Magnets

The synthesis of single‐molecule magnets (SMMs), magnetic complexes capable of retaining magnetization blocking for a long time at elevated temperatures, has been a major concern for magnetochemists over the last three decades. In this review, we describe basic SMMs and the different approaches that...

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Bibliographic Details
Published in:Angewandte Chemie International Edition Vol. 63; no. 2; pp. e202303146 - n/a
Main Authors: Vieru, Veacheslav, Gómez‐Coca, Silvia, Ruiz, Eliseo, Chibotaru, Liviu F.
Format: Journal Article
Language:English
Published: Germany Wiley Subscription Services, Inc 08.01.2024
Edition:International ed. in English
Subjects:
Chemical synthesis
High temperature
Lanthanide Complexes
Magnetization
Magnetization Blocking
Magnets
Memory Devices
Single-Molecule Magnets
Transition-Metal Complexes
Single-Molecule Magnets
Transition-Metal Complexes
Memory Devices
Lanthanide Complexes
Magnetization Blocking
ISSN:1433-7851, 1521-3773, 1521-3773
Online Access:Get full text
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Summary:The synthesis of single‐molecule magnets (SMMs), magnetic complexes capable of retaining magnetization blocking for a long time at elevated temperatures, has been a major concern for magnetochemists over the last three decades. In this review, we describe basic SMMs and the different approaches that allow high magnetization‐blocking temperatures to be reached. We focus on the basic factors affecting magnetization blocking, magnetic axiality and the height of the blocking barrier, which can be used to group different families of complexes in terms of their SMM efficiency. Finally, we discuss several practical routes for the design of mono‐ and polynuclear complexes that could be applied in memory devices. Despite three decades of intensive investigation of single‐molecule magnets (SMMs) there are still unexplored roads towards increasing their magnetization blocking temperature. In this Review, after short overview of key SMM compounds, the basic strategies for further enhancement of SMM performance for mononuclear and polynuclear complexes are presented.
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ISSN:1433-7851
1521-3773
1521-3773
DOI:10.1002/anie.202303146