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MA: Fachverband Magnetismus

MA 26: Non-Skyrmionic Magnetic Textures II

MA 26.2: Vortrag

Mittwoch, 29. März 2023, 10:00–10:15, HSZ 401

Low-temperature properties of single-crystal ErB₂ — •Christoph Resch, Georg Benka, Daria Nuzhina, Anh Tong, Andreas Bauer, and Christian Pfleiderer — Physik Department E51, Technische Universität München, 85748 Garching, Germany

We present a comprehensive study of single crystals of the hexagonal rare-earth diboride ErB₂ prepared by means of the optical floating-zone approach. Measurements of the specific heat, the ac susceptibility, the magnetisation, and the electrical transport at low temperatures and fields up to 18 T consistently establish magnetic order of the Er³⁺ moments below a second-order phase transition at T_c = 14 K with competing ferromagnetic and antiferromagnetic interactions. The magnetocrystalline anisotropies exhibit strong easy-plane characteristics with ⟨001⟩ being the magnetic hard axis.