Quantum Oscillations of Magnetization in Antiferromagnetic Semimetals on a Triangular Lattice

The specific features of magnetization in antiferromagnetic semimetals with a low charge carrier density on a triangular lattice in a high magnetic field are studied. It is demonstrated that the well-known plateau in the magnetic field dependence of the magnetization manifesting itself in the subsys...

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Bibliographic Details
Published in:JETP letters 2018-08, Vol.108 (3), p.189-195
Main Authors: Dzebisashvili, D. M., Khudaiberdyev, A. A.
Format: Article
Language:English
Subjects:
Antiferromagnetism
Atomic
Biological and Medical Physics
Biophysics
Carrier density
Charge density
Condensed Matter
Current carriers
Dependence
Magnetic fields
Magnetism
Magnetization
Metalloids
Molecular
Optical and Plasma Physics
Oscillations
Particle and Nuclear Physics
Physics
Physics and Astronomy
Quantum Information Technology
Solid State Physics
Spintronics
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Description
Summary:The specific features of magnetization in antiferromagnetic semimetals with a low charge carrier density on a triangular lattice in a high magnetic field are studied. It is demonstrated that the well-known plateau in the magnetic field dependence of the magnetization manifesting itself in the subsystem of localized S = 1/2 spins is actually not strictly horizontal but has a slight positive slope. It is found that an abrupt change in the frequency of quantum oscillations of the magnetization in the itinerant subsystem should be observed at the magnetic field values corresponding to the edges of this plateau owing to the strong s – d ( f ) exchange coupling.
ISSN:0021-3640
1090-6487
DOI:10.1134/S0021364018150067