Investigation of crystal and magnetic structure of high entropy oxides
High entropy is an emergent strategy used for the design of new materials, which has aroused considerable interest over the last years. It was recently applied to rare-earth pyrochlore (A2B2O7) and tungstate (AWO4) oxides. High entropy pyrochlores and tungstates arouse our intention respectively for their oxygen ionic conductivity and for their magnetic properties combined with a surprising structural transition. For these materials, we want an accurate description of the nuclear structure (position of the oxygens, possible distortion, etc.), and for tungstates, its evolution over the structural transition. Moreover, for tungstate, we also want to refine the magnetic structure at low temperature. 5 days are requested on D2B and another 4 days on D1B, both equipped with an orange cryostat.
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BOUNOUA Dalila; BERARDAN David; Ouiame HAIMOUD; KERNEUR Yann-Andrev; MOLL Adrien; NASSIF Vivian; RITTER Clemens; SAVVIN Stanislav; SUARD Emmanuelle and VAYER Florianne. (2023). Investigation of crystal and magnetic structure of high entropy oxides. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-23-785
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