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Half-metallic Ferromagnets, Spin Gapless Semiconductors, and Topological Semimetals Based on Heusler Alloys
V. V. Marchenkov, V. Yu. Irkhin
A review of theoretical and experimental studies of the electronic structure, electronic and magnetic properties of various systems of Heusler alloys in the states of a half-metall…
Giant van Hove Density of States Singularities and Anomalies of Electron and Magnetic Properties in Cubic Lattices
P. A. Igoshev, V. Yu. Irkhin
Densities of states for simple (sc) and base-centered (bcc) cubic lattices with account of nearest and next-nearest neighbour hopping integrals and are investigated in det…
Microscopic origins and stability of the ferromagnetism in CoSnS
I. V. Solovyev, S. A. Nikolaev, A. V. Ushakov +3
Based on the density functional theory, we examine the origin of ferromagnetism in the Weyl semimetal CoSnS using different types of response theories. We argue that th…
Topological phase transitions in strongly correlated systems: application to CoSnS
V. Yu. Irkhin, Yu. N. Skryabin
The topological transition in the strongly correlated half-metallic ferromagnetic compound CoSnS from Weyl semimetal (including chiral massless fermions) to a non-magne…
Electronic States and Anomalous Hall Effect in Strongly Correlated Topological Systems
V. Yu. Irkhin, Yu. N. Skryabin
We treat elementary excitations, the spin-liquid state, and the anomalous Hall effect (including the quantum one in purely 2D situation) in layered highly correlated systems. The m…
Incommensurate magnetic order in rare earth and transition metal compounds with local moments
A. K. Pankratova, P. A. Igoshev, V. Yu. Irkhin
Within the framework of the - exchange model in the mean-field approximation for square, simple cubic, body-centered and face-centered cubic lattices, the formation of a f…