Magnetic ordering in the layered oxide chalcogenides Ca2Fe3-deltaCh2O3 (Ch = S, Se)
This proposal is to explore the magnetic ordering and structural details in a new series of layered oxide chalcogenides Ca2Fe2.6(S1-xSex)2O3 (0 < x < 0.5) in which two iron sites present two independent sublattices. The experiment will enable the relationship between the magnetic ordering on the two sublattices and Fe-site vacancy ordering, which depends on the chalcogenide composition, to be probed in detail. The systems will be compared with related compounds containing comparable motifs such as SrFeO2. The work forms part of the EPSRC grant EPSRC (EP/P018874/1) "Soft chemical control to achieve new layered architectures and strongly correlated states."
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CLARKE Simon James; CASSIDY Simon; FALKOWSKI Viktoria; SAVVIN Stanislav and SHEATH Bradley. (2020). Magnetic ordering in the layered oxide chalcogenides Ca2Fe3-deltaCh2O3 (Ch = S, Se). Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-31-2732
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