Noncollinear Magnetism in Systems with Relativistic Interactions

  • L. Sandratskii
Part of the Springer Series in Materials Science book series (SSMATERIALS, volume 54)

Abstract

In recent years, noncollinear magnetism has attracted constantly increasing interest from the density-functional-theory (DFT) community (see, e.g. [1–19]). These studies revealed a crucial role played by noncollinear magnetism in understanding the ground state magnetic properties, excitations, transport properties, and spin-dynamics in various magnetic systems. In the present chapter, we mainly focus on one aspect of the physics of noncollinear magnetism: the interplay between the symmetry of a magnetic system, relativistic interactions and magnetic structure. The importance of the relativistic interactions in physics of magnetism clearly follows from the fact that the magnetocrystalline anisotropy, one of the properties most important for applications, and the orbital magnetism in solids are consequences of the spin-orbit coupling. Analysis of the symmetry properties allows us to make predictions important for understanding the physics of the system.

Keywords

Anisotropy Uranium Hexagonal Baran Hematite 

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  • L. Sandratskii

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