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Berlin 2018 – scientific programme

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TT: Fachverband Tiefe Temperaturen

TT 72: Poster Session: Correlated Electrons

TT 72.27: Poster

Wednesday, March 14, 2018, 15:00–19:00, Poster B

Honeycomb Kitaev iridate and rhodate thin films — •Maximilian Uhl1, Sebastian Esser1, Vladimir Roddatis2, Vasily Moshnyaga3, and Philipp Gegenwart11Experimentalphysik VI, Universität Augsburg, 86159 Augsburg, Germany — 2Institut für Materialphysik, Georg-August-Universität Göttingen, 37077 Göttingen, Germany — 31. Physikalisches Institut, Georg-August-Universität Göttingen, 37077 Göttingen, Germany

Recently materials realizing the honeycomb Kitaev exchange attracted considerable attention (for a review see [1]). Li-based heavy transition metal oxides Li2IrO3 [2] and Li2RhO3 [3] are prototype systems in this class. For the latter material, up to now only polycrystals are available which display a spin-glassy ground state. Epitaxial thin films are thus of particular interest, as they could reveal the true ground state and its dependence on strain. We utilize the metal-organic aerosol deposition (MAD) technique [4] and report the successful growth of thin films of both materials, as well as their structural and magnetic characterization. This work is supported by the German Science Foundation through SPP 1666 and TRR 80.
S.M. Winter et al., J. Phys.: Condens. Matter 29 (2017) 493002.
Y. Singh et al., Phys. Rev. Lett. 108, (2012) 127203.
P. Khuntia et al., Phys. Rev. B 96, (2017) 094432.
M. Jungbauer et al., Appl. Phys. Lett. 105, 251603 (2014)

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