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TT: Fachverband Tiefe Temperaturen

TT 42: Correlated Electrons: Frustrated Magnets - Strong Spin-Orbit Coupling 2

TT 42.7: Vortrag

Mittwoch, 22. März 2017, 11:00–11:15, HSZ 304

Anisotropic Ru³⁺ magnetism in the honeycomb system α-RuCl₃ — •Maximilian Geyer^1,2, Laura Theresa Corredor Bohorquez¹, Sebastian Gass¹, Synho Do³, Kwangyong Choi³, Yong Seung Kwon³, Anna Isaeva⁴, Domenic Nowak⁴, Thomas Doert⁴, Anja U.B. Anja U.B. Wolter¹, and Bernd Büchner^1,2 — ¹Leibniz-Institute for Solid State and Materials Research, IFW-Dresden, 01069 Dresden, Germany — ²Institute for Solid State Physics, TU Dresden, 01062 Dresden, Germany — ³Department of Physics, Chung-Ang University, Seoul 156-756, Republic of Korea — ⁴Department of Chemistry and Food Chemistry, TU Dresden, 01062 Dresden, Germany

The interplay between electronic correlations and spin-orbit coupling in heavy transition metal compounds has been intensively studied in the last years due to their interesting properties and unusual ground states like quantum spin liquids. Particularly, α-RuCl₃ shows interesting properties, which can be attributed to its proximity to a Kitaev spin liquid state. We report on magnetization measurements for α-RuCl₃ single crystals grown by means of chemical vapor transport reactions. The main focus lies on angular dependent measurements and the behavior of α-RuCl₃ in high magnetic fields in order to understand the highly anisotropic magnetism in this layered compound.