Maxim Bykov,Timofey Fedotenko,Stella Chariton,Dominique Laniel,Konstantin Glazyrin,Michael Hanfland,Jesse S. Smith,Vitali B. Prakapenka,Mohammad F. Mahmood,Alexander F. Goncharov,Alena V. Ponomareva,Ferenc Tasnádi,Alexei I. Abrikosov,Talha Bin Masood,Ingrid Hotz,А. Н. Руденко,Mikhail I. Katsnelson,Natalia Dubrovinskaia,Leonid Dubrovinsky,Igor A. Abrikosov
The layered compound BeN${}_{4}$, berillontirene, is a Dirac semimetal with linear dispersion in the vicinity of the Fermi energy and two Dirac points coinciding with the Fermi energy, similar to graphene.