Dresden 2014 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 79: Correlated Electrons - Poster Session

TT 79.56: Poster

Mittwoch, 2. April 2014, 15:00–19:00, P2

Crystal growth and physical properties of doped honeycomb lattice systems A₂IrO₃ (A=Na, Li) — •Friedrich Freund, Soham Manni, and Philipp Gegenwart — I. Physikalisches Institut, Georg-August-Universität Göttingen, Göttingen, Germany

Honeycomb-lattice iridates have recently attracted interest in the context of novel electronic and magnetic states like spin-orbit Mott or quasi-molecular orbital insulators, Kitaev-Heisenberg magnets or correlated topological insulators. Starting from Na₂IrO₃ and Li₂IrO₃, which display insulating antiferromagnetic ground states, we investigate the influence of various dopings on the magnetic interaction and electronic properties. Single and polycrystals are synthesized using solid state reactions under appropriate conditions.