Experimental evidence of monolayer AlB${}_2$ with symmetry-protected Dirac cones

Daiyu Geng, Kejun Yu, Shaosheng Yue +13

Monolayer AlB${}_2$ is composed of two atomic layers: honeycomb borophene and triangular aluminum. In contrast with the bulk phase, monolayer AlB${}_2$ is predicted to be a superconduc…