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EMR-related problems at the interface between the crystal field Hamiltonians and the zero-field splitting Hamiltonians.
Autorzy
Rok wydania
2015
Czasopismo
Numer woluminu
60
Strony
377-383
DOI
10.1515/nuka-2015-0067
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
Streszczenie
The interface between optical spectroscopy, electron magnetic resonance (EMR), and magnetism of transition ions forms the intricate web of interrelated notions. Major notions are the physical Hamiltonians, which include the crystal field (CF) (or equivalently ligand field (LF)) Hamiltonians, and the effective spin Hamiltonians (SH), which include the zero-field splitting (ZFS) Hamiltonians as well as to a certain extent also the notion of magnetic anisotropy (MA). Survey of recent literature has revealed that this interface, denoted CF (LF) ↔ SH (ZFS), has become dangerously entangled over the years. The same notion is referred to by three names that are not synonymous: CF (LF), SH (ZFS), and MA. In view of the strong need for systematization of nomenclature aimed at bringing order to the multitude of different Hamiltonians and the associated quantities, we have embarked on this systematization. In this article, we do an overview of our efforts aimed at providing a deeper understanding of the major intricacies occurring at the CF (LF) ↔ SH (ZFS) interface with the focus on the EMR-related problems for transition ions.
Słowa kluczowe
crystal/ligand field (CF/LF) Hamiltonian, electron magnetic resonance (EMR), magnetism, Optical spectroscopy, transition (3dN and 4fN) ions, zero-field splitting (ZFS)
Licencja otwartego dostępu
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Pełny tekst licencji: https://creativecommons.org/licenses/by-nc-nd/4.0/legalcode