Ternary borides Nb${}_7$Fe${}_3$B${}_8$ and Ta${}_7$Fe${}_3$B${}_8$ with Kagome-type iron framework

Qiang Zheng, Roman Gumeniuk, Horst Borrmann +7

Two new ternary borides $TM$${}_7$Fe${}_3$B${}_8$ ($TM$ = Nb, Ta) were synthesized by high-temperature thermal treatment of samples obtained by arc-melting. This new type of structure wi…