Rattling mode and symmetry lowering resulting from instability of B${}_{12}$-molecule in LuB${}_{12}$

N. Sluchanko, A. Bogach, N. Bolotina +9

The dodecaboride LuB${}_{12}$ with cage-glass state and rattling modes has been studied to clarify the nature of the large amplitude vibrations of Lu ions. Discovered anisotropy of c…