Magnetic Anisotropy Switch: Easy Axis to Easy Plane Conversion and Vice Versa
Source abstract
Abstract
Abstract The rational design of the magnetic anisotropy of molecular materials constitutes a goal of primary importance in molecular magnetism. Indeed, the applications of molecular nanomagnets, such as single‐molecule magnets and molecular magnetic refrigerants, depend on the full control over this property. Axially anisotropic magnetic systems are frequently classified as easy axis or easy plane, depending on whether the lowest energy is obtained by application of a magnetic field parallelly or perpendicularly to the unique axis. Here, the magnetic anisotropy of three lanthanide complexes is studied as a function of magnetic field and temperature. It is found that for two of these the type of magnetic anisotropy switches as a function of these parameters. Thus, this paper experimentally demonstrates that the magnetic anisotropy is not uniquely defined by the intrinsic electronic structure of the systems in question but can also be reversibly switched using external stimuli: temperature and magnetic field.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Magnetism in coordination complexes · Lanthanide and Transition Metal Complexes · Electron Spin Resonance Studies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Chemistry University of Copenhagen Universitetsparken 5 DK‐2100 Copenhagen Denmark
Niels Bohr Institute University of Copenhagen Universitetsparken 5 DK‐2100 Copenhagen Denmark
Institut für Physikalische Chemie Universität Stuttgart Pfaffenwaldring 55 D‐70569 Stuttgart Germany
Laboratory for Neutron Scattering and Imaging Paul Scherrer Institute 5232 Villigen PSI Switzerland
Forschungsneutronenquelle Heinz Maier‐Leibnitz FRM II Technische Universität München D‐85748 Garching Germany
CSIC‐Instituto de Ciència de Materiales de Aragón (ICMA) University of Zaragoza Pedro Cerbuna 12 50009 Zaragoza Spain
Department of Mechanical Engineering Escola Universitària Salesiana de Sarrià (EUSS) Passeig Sant Joan Bosco 74 08017 Barcelona Spain
Funding
Deutsche Forschungsgemeinschaft · Oticon Fonden · Augustinus Fonden · Ministerio de Economía y Competitividad
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