Evidence for differentiation in the iron-helicoidal chain in GdFe3(BO3)4

Klimin, S.A.; Fausti, D.; Meetsma, A.; Bezmaternykh, L.N.; Loosdrecht, P.H.M. van; Palstra, T.T.M.

doi:10.1107/S0108768105017362

Acta Crystallographica Section B
Acta Crystallographica
Section B STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS

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Figure 1
The structure of GdFe₃(BO₃)₄ in two different projections. The left panels, (a) and (b), show the RT structure, and the right panels, (c) and (d), show the structure at 90 K. The Fe atoms are arranged in chiral chains parallel to the c axis. Different chains are separated by GdO₆ prisms and BO₃ groups. The unit-cell outline for [R]