B4Tb
Elf, F.Pfeiffer, F.Schaefer, W.Etourneau, J.Will, G.
Journal of the Less-Common Metals (1981) 82, 349-355
a=7.12Å b=7.12Å c=4.042Å
α=90° β=90° γ=90°
Will, G.Schaefer, W.Elf, F.Etourneau, J.
Solid State Communications (1981) 40, 579-581
a=7.12Å b=7.12Å c=4.031Å
B4Er
Will, G.Schaefer, W.Pfeiffer, F.Elf, F.Etourneau, J.
a=7.071Å b=7.071Å c=4Å