Retracted Article: Ni2[LnCl6] (Ln = EuII, CeII, GdII): the first LnII compounds stabilized in a pure inorganic lattice†
Abstract
Here we report the first examples of 3d–4f compounds based on LnII cations. We have obtained a series of Ni2[LnCl6] isostructural compounds where LnII = Ce 1, Eu 2 and Gd 3 which were characterized in a cubic crystalline system with a Fmm space group. Magnetic and optical characterization was also performed on this new class of compounds.