Ordered state of the intrinstic two-component magnetoelectric material Li2CuZrO4 according to 7Li NMR data
https://doi.org/10.26907/mrsej-23202
Abstract
The magnetic system of the Li2CuCrO4 compound is characterized by the formation of helical spin structures in CuO2 chains due to strong frustrations of the exchange interaction. The double position of lithium ions determines the existence of the dielectric glass state at T<=70 K. In this work, using the NMR technique, we found the activation energy of the dipole glass system Ea = 101 K and determined the type of helicoidal copper spin structure as a "screw". It was demonstrated how the high-temperature interaction of strongly correlated spin and dielectric subsystems in this compound paradoxically prevents the appearance of multiferroic behavior in the ordered phase
Keywords
low-dimensional magnetism,
frustration,
spin chains,
nuclear magnetic resonance,
magnetization,
magnetoelectric interactions
Supporting agencies: The work was supported by the budget financing of Zavoisky Physical-Technical Institute, FRC Kazan Scientific Center of RAS
About the Author
E. L. Vavilova
Zavoisky Physical-Technical Institute, FRC Kazan Scientific Center of RAS
Russian Federation
Russian Federation
Kazan
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Review
For citations:
Vavilova E.L. Ordered state of the intrinstic two-component magnetoelectric material Li2CuZrO4 according to 7Li NMR data. Magnetic Resonance in Solids. 2023;25(2):23202 (9 pp.). https://doi.org/10.26907/mrsej-23202
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