3 papers
cond-mat.mtrl-sci2018
MgTa2N3: A new reference Dirac semimetal
QuanSheng Wu, Christophe Piveteau, Zhida Song +1
We present a prediction of the Dirac semimetal (DSM) phase in MgTa2N3 based on first-principles calculations and symmetry analysis. In this material, the Fermi level is located exa…
cond-mat.mtrl-sci2017
Topological Dirac Nodal-net Fermions in AlB-type TiB and ZrB
Xing Feng, Changming Yue, Zhida Song +2
Based on first-principles calculations and effective model analysis, a Dirac nodal-net semimetal state is recognized in AlB-type TiB and ZrB when spin-orbit coupling (S…
cond-mat.mtrl-sci2012
Tune of Magnetism and Electronic Structures of Alkali Metal Carbides with Rocksalt Structure
Wenxu Zhang, Zhida Song, Bin Peng +1
Electronic structures of carbides with the rocksalt structure were calculated by full potential electronic codes solving the Kohn-Sham equation. Bonding characters were analyzed by…