Magnetic and electronic ordering phenomena in the [Ru$_2$O$_6$] honeycomb lattice compound AgRuO$_3$

no code implementations • 8 Mar 2021 • Walter Schnelle, Beluvalli E. Prasad, Claudia Felser, Martin Jansen, Evgenia V. Komleva, Sergey V. Streltsov, Igor I. Mazin, Dmitry Khalyavin, Pascal Manuel, Sukanya Pal, D. V. S. Muthu, A. K. Sood, Ekaterina S. Klyushina, Bella Lake, Jean-Christophe Orain, Hubertus Luetkens

The silver ruthenium oxide AgRuO$_3$ consists of honeycomb [Ru$_2^{5+}$O$_6^{2-}$] layers, and can be considered an analogue of SrRu$_2$O$_6$ with a different intercalation stage.

Strongly Correlated Electrons

Quasi-quantized Hall response in bulk InAs

no code implementations • 9 Feb 2021 • Rafał Wawrzyńczak, Stanislaw Galeski, Jonathan Noky, Yan Sun, Claudia Felser, Johannes Gooth

The quasi-quantized Hall effect (QQHE) is the three-dimensional (3D) counterpart of the integer quantum Hall effect (QHE), exhibited only by two-dimensional (2D) electron systems.

Mesoscale and Nanoscale Physics Other Condensed Matter

A Charge-Density-Wave Topological Semimetal

no code implementations • 9 Sep 2019 • Wujun Shi, Benjamin J. Wieder, H. L. Meyerheim, Yan Sun, Yang Zhang, Yiwei Li, Lei Shen, Yanpeng Qi, Lexian Yang, Jagannath Jena, Peter Werner, Klaus Koepernik, Stuart Parkin, Yulin Chen, Claudia Felser, B. Andrei Bernevig, Zhijun Wang

We here demonstrate that the room-temperature phase of (TaSe$_4$)$_2$I is a Weyl semimetal with 24 pairs of Weyl nodes.

Band Gap Materials Science Strongly Correlated Electrons