Tracking the magnetic phase transition of postperovskite metal thiocyanates
Dense coordination polymers combine the functional properties typical of the traditional inorganic solid state, such as magnetism, with the remarkable tunability and flexibility that arises for the incorporation of molecular components. They therefore offer the opportunity to discover unusual behaviour that arises from the coupling these properties. Thiocyanate compounds have the potential for rich optical and magnetic properties, but both their chemistry and magnetism remain comparatively unexplored. In this proposal. we intend to study the family of CsM(NCS)3, M=Mn,Co,Ni, molecular analogues of the high pressure postperovskite structure. Our previous bulk magnetic measurements and experiments at the ILL show that all three of these compounds show significant spin canting and M=Co and Ni are weak ferrimagnets. This study by mapping out the temperature evolution of their complex magnetic structures, will complete our study of this family. It provide us with insight both into the design of new magnetic, molecular framework materials the magnetic behaviour of the important postperovskite structure type.
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Matthew J. Cliffe; Cañadillas-Delgado, L.; Claire V. Colin; GEERS Madeleine; NASSIF Vivian and PUENTE ORENCH Ines. (2021). Tracking the magnetic phase transition of postperovskite metal thiocyanates. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-31-2816
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