Fig. 2: The electron localization function (ELF) of bct phase and hcp phase.

a, b The ELF of the bct structure at 50 TPa with isosurface level 0.75 and the hcp structure at 300 TPa with isosurface level 0.65. c, d The ELF of the bct structure at 50 TPa and 250 TPa with isosurface level 0.83.