Samarium silicide(SmSi2)
Neodymium silicide(NdSi2)
Praseodymium disilicide (PrSi2)
Lanthanum disilicide (LaSi2)
Lutetium hexaborate(LuB6)
Scandium hexaborate(ScB6)
Thulium hexaborate(TmB6)
Holmium hexaborate(HoB6)
Erbium hexaborate(ErB6)
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