Strain Engineering of the Topological Gap and Tunable Chern Numbers in the 2D Kagome Metal-Organic Framework Eu${}_2$(C${}_6$H${}_4$)${}_3$

Jiaxuan Guo, Simin Nie, Fritz B. Prinz

The quantum anomalous Hall effect carries dissipationless chiral edge currents without an external magnetic field, yet raising its operating temperature and controlling the number…