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Regensburg 2019 – scientific programme

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MA: Fachverband Magnetismus

MA 9: Cooperative phenomena: Spin structures and magnetic phase transitions

MA 9.6: Talk

Monday, April 1, 2019, 16:15–16:30, H53

Magnetic properties of novel Rare-Earth Molybdenum oxides — •Kseniia Denisova1,2,3, Anna Shlyakhtina4, Mahmoud Abdel-Hafiez5, Maxim Avdeev6, Peter Lemmens2,3, Olga Volkova1, and Alexander Vasiliev11Dept. of Phys., MSU, Moscow, Russia — 2IPKM, TU-BS, Braunschweig, Germany — 3LENA, TU-BS, Braunschweig, Germany — 4SICP, Moscow, Russia — 5CHPSTAR, Beijing, China — 6ANSTO, Bragg Inst., NSW, Australia

Compounds with the general formula Ln6MoO12−δ attract attention as they contain both transition and rare-earth elements. Heavy rare-earth molybdenum oxides may crystallize in two different defect fluorite structures, i.e., cubic and rhombohedral ones [1,2]. The systematic experimental study of these series reveals that Ln6MoO12−δ in both structural modifications exhibit magnetism largely influenced by deviation from stoichiometry [3]. Supported by DFG-LE967/16-1, NUST "MISiS" Grant No. K2-2017-084 and RFBR project 16-03-00463a. [1] Schildhammer, et al., Chem. Mater. 28, 7487 (2016). [2] Shlyakhtina, et al., J. Mater. Chem. A 5, 7618 (2017). [3] Denisova, et al., J. Alloys and Comp. 778, 756 (2019).

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