As elemental main group materials (ie, silicon and germanium) have dominated the field of
modern electronics, their monolayer 2D analogues have shown great promise for next …

The isolation of graphene in 2004 from graphite was a defining moment for the “birth” of a
field: two-dimensional (2D) materials. In recent years, there has been a rapidly increasing …

We present the first experimental evidence of a topological phase transition in a
monoelemental quantum spin Hall insulator. Particularly, we show that low-buckled epitaxial …

Silicene, germanene and stanene are part of a monoelemental class of two-dimensional
(2D) crystals termed 2D-Xenes (X= Si, Ge, Sn and so on) which, together with their ligand …

Recently, several research groups have reported the growth of germanene, a new member
of the graphene family. Germanene is in many aspects very similar to graphene, but in …

To date germanene has only been synthesized on metallic substrates. A metallic substrate is
usually detrimental for the two-dimensional Dirac nature of germanene because the …

The graphene boom has triggered a widespread search for novel elemental van der Waals
materials thanks to their simplicity for theoretical modeling and easy access for material …

Abstract 2D materials have attracted considerable attention in the past decade for their
superlative physical properties. These materials consist of atomically thin sheets exhibiting …

We report the recent progress on the theoretical aspects of monolayer topological insulators
including silicene, germanene and stanene, which are monolayer honeycomb structures of …

While theoretical studies predicted the stability and exotic properties of plumbene, the last
group‐14 cousin of graphene, its realization has remained a challenging quest. Here, it is …