[We-P] 2D materials

[We-P-44] Cu₂Ge: a New 2D Dirac Nodal Line Semimetal

Mathis Cameau¹, Natalia Olszowska², Marcin Romus², Mathieu Gilles Silly³, Tristan Cren¹, Axel Malécot¹, Pascal David¹, 〇Marie D'angelo¹ (1. Sorbonne University (France), 2. National Synchrotron Radiation Center SOLARIS, Jagiellonian University (Poland), 3. Synchrotron Soleil (France))

We will show how we could synthetize 2D Cu₂Ge for the first time and how by combining angle-resolved photoemission, scanning tunnelling microscopy and DFT calculation, we could evidence the existence of linearly dispersing bands and nodal lines in this layer.