Evidence for differentiation in the iron-helicoidal-chain in GdFe${}_3$(BO${}_3$)${}_4$

S. Klimin, D. Fausti, A. Meetsma +3

We report on a single-crystal X-ray structure study of $GdF{e}_3(B{O}_3{)}_4$ at room temperature and at T=90 K. At room temperature $GdF{e}_3(B{O}_3{)}_4$ crystallizes in a trigon…