Observation of a Smoothly Tunable Dirac Point in $Ge(Bi_{x}Sb_{1-x})_{2}Te_{4}$

no code implementations • 13 Jan 2021 • Sean Howard, Arjun Raghavan, Davide Iaia, Caizhi Xu, David Flötotto, Man-Hong Wong, Sung-Kwan Mo, Bahadur Singh, Raman Sankar, Hsin Lin, Tai-Chang Chiang, Vidya Madhavan

State-of-the-art topological devices require the use topological surface states to drive electronic transport.

Materials Science Mesoscale and Nanoscale Physics

Flatband-Induced Itinerant Ferromagnetism in RbCo$_2$Se$_2$

no code implementations • 11 Mar 2021 • Jianwei Huang, Zhicai Wang, Hongsheng Pang, Han Wu, Huibo Cao, Sung-Kwan Mo, Avinash Rustagi, A. F. Kemper, Meng Wang, Ming Yi, R. J. Birgeneau

$A$Co$_2$Se$_2$ ($A$=K, Rb, Cs) is a homologue of the iron-based superconductor, $A$Fe$_2$Se$_2$.

Superconductivity Materials Science