Experimental realization of two-dimensional Dirac nodal line fermions in monolayer Cu2Si

Nodal line semimetals have been observed in three-dimensional materials but are missing in two-dimensional counterparts. Here, Feng et al. report two-dimensional Dirac nodal line fermions protected by mirror reflection symmetry in monolayer Cu2Si.

Bibliographic Details
Main Authors: Baojie Feng, Botao Fu, Shusuke Kasamatsu, Suguru Ito, Peng Cheng, Cheng-Cheng Liu, Ya Feng, Shilong Wu, Sanjoy K. Mahatha, Polina Sheverdyaeva, Paolo Moras, Masashi Arita, Osamu Sugino, Tai-Chang Chiang, Kenya Shimada, Koji Miyamoto, Taichi Okuda, Kehui Wu, Lan Chen, Yugui Yao, Iwao Matsuda
Format: Article
Language:English
Published: Nature Publishing Group 2017-10-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-017-01108-z