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Magnetic Phase Diagram of van der Waals Antiferromagnet TbTe3
Olga S Volkova1,2, Abdellali Hadj-Azzem3, Gyorgy Remenyi3
1Department of Low Temperature Physics and Superconductivity, Physics Faculty, Lomonosov Moscow State University, 119991 Moscow, Russia.
Abstract:
Terbium tritelluride, TbTe3, orders antiferromagnetically in three steps at T1 = 6.7 K, T2 = 5.7 K, and T3 = 5.4 K, preceded by a correlation hump in magnetic susceptibility at T* ~8 K. Combining thermodynamic, i.e., specific heat C and magnetization M, and transport, i.e., resistance R, measurements we established the boundaries of two commensurate and one charge density wave modulated phases in a magnetic field oriented along principal crystallographic axes. Based on these measurements, the magnetic phase diagrams of TbTe3 at H‖a, H‖b and H‖c were constructed.
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