New Trends in Molecular Magnets and Ferromagnets

Dear Colleagues,

This issue focuses on new trends in molecular magnetism. We define this term with a broad understanding which includes both traditional single-molecular and/or single-ion magnets and organic and metal–organic ferro-, ferri-, and antiferromagnets with a long-range magnetic order. Over the past few decades, there have been notable changes in hot research topics dedicated to:

1) Quantum spin computing using mixing of states in single-molecular magnets, especially in systems with rare-earth atoms;

2) The combination of organic thin films with metal spintonics devices, when chemical design helps to control the properties of one of the layers of the spin valve or magnetoresistive memory cell;

3) The creation of thin organic or metal–organic layers on the surface of a metallic ferromagnet, with which single-molecular complexes can form chemical bonds, obtaining a preferred orientation or spin polarization;

4) Discovery of new types of spin excitations in metal–organic ferromagnets, where unusual chiral spin structures take place. In metal–organic ferromagnets, significantly different relationships have been found between the width of the domain wall and the lattice parameter and between the energy of magnetic anisotropy and the energy of exchange interaction. Therefore, the traditional physics of magnetism is significantly transformed in these materials;

5) Ferromagnetic molecular magnets, in which magnetization can be controlled by light, electric field, mechanical stresses, and other influences of a non-magnetic nature;

6) Objects that are composite materials that combine the properties of inorganic ferromagnets and the controlled properties of a metal–organic component.

The works to be considered are not limited to the short list of topics mentioned above. Original new articles describing the role of structural defects, with unusual results on the effect of moisture on ferromagnetism and sensory properties of molecular magnets, etc. are also of significant interest for this issue. 

Prof. Dr. Roman B. Morgunov
Prof. Dr. Andrew Palii
Dr. Oksana Koplak
Guest Editors

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• spin
• spin–orbital coupling
• exchange interaction
• quantum tunneling
• rare-earth ions
• single molecular magnets
• single-ion magnets
• magnetic relaxation
• spin coherency
• quantum processing
• quantum entanglement
• chemical spin design
• organic and molecular spintronics