Synthesis and characterisation of Cu2Ge, a new two-dimensional Dirac nodal line semimetal
Mathis Cameau,
Natalia Olszowska,
Marcin Rosmus
et al.
Abstract:Dirac nodal line semimetals are a novel class of topological materials in which the valence and conduction bands touch along lines in the reciprocal space, with linear dispersion. These materials attract a growing attention, but the experimental realizations for two-dimensional systems are sparse. We report here the first experimental realization of a two-dimensional hexagonal monolayer
Cu2Ge, grown by evaporation of Ge on a Cu(111) substrate. Through a combination of LEED, XPS and ARPES measurements, … Show more
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