Structure and magnetism of a new hexagonal polymorph of Ba3Tb(BO3)3 with a quasi-2D triangular lattice

Nicola Kelly, Cheng Liu & Sian Dutton
This article reports the structural and magnetic characterisation of a new hexagonal (P63cm) low-temperature phase of Ba3Tb(BO3)3, isostructural with the heavier lanthanide borates with formula Ba3Ln(BO3)3 (Ln = Dy–Lu). The crystal structure contains a quasi-two-dimensional (2D) triangular lattice of Tb3+ ions and is predicted to display unusual magnetic behaviour as a result of the low dimensionality. Magnetic susceptibility χ(T) shows antiferromagnetic interactions (θCW = -7.15 K) and no sharp ordering transition at T ≥ 2...
1 citation reported since publication in 2020.
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