Regensburg 2016 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 78: Correlated Electrons: Poster Session

TT 78.49: Poster

Donnerstag, 10. März 2016, 15:00–18:30, Poster D

Highly Anisotropic Magnon Dispersion in Ca₂RuO₄: Evidence for Strong Spin Orbit Coupling — •Stefan Kunkemöller¹, Daniel Khomskii¹, Paul Steffens², Andrea Piovano², Augustinus Agung Nugroho³, and Markus Braden¹ — ¹II. Physikalisches Institut, Universität zu Köln, Germany — ²Institut Laue Langevin, Grenoble, France — ³Institut Teknologi Bandung, Indonesia

Ca₂RuO₄ is a key material for the understanding of the impact of spin-orbit coupling in 4d and 5d compounds, which is intensively studied at present. We have studied the magnon dispersion in Ca₂RuO₄ by inelastic neutron scattering on large single crystals containing 1