Complex magnetism in Ni3TeO6-type Co3TeO6 and high-pressure polymorphs of Mn3−xCoxTeO6 solid solutions | Zendy

Elena SolanaMadruga | Zendy; Cintli Aguilar-Maldonado | Zendy; C. Ritter | Zendy; Marielle Huvé | Zendy; Olivier Mentré | Zendy; J. Paul Attfield | Zendy; Ángel M. ArévaloLópez | Zendy

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Complex magnetism in Ni₃TeO₆-type Co₃TeO₆ and high-pressure polymorphs of Mn_3−xCo_xTeO₆ solid solutions

Author(s) -

Elena SolanaMadruga,

Cintli Aguilar-Maldonado,

C. Ritter,

Marielle Huvé,

Olivier Mentré,

J. Paul Attfield,

Ángel M. ArévaloLópez

Publication year - 2021

Publication title -

chemical communications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.837

H-Index - 333

eISSN - 1364-548X

pISSN - 1359-7345

DOI - 10.1039/d0cc07487j

Subject(s) - magnetism , type (biology) , x ray crystallography , materials science , condensed matter physics , crystallography , physics , chemistry , diffraction , geology , quantum mechanics , paleontology

New Ni 3 TeO 6 -type (NTO) and double perovskite (DPv) polymorphs of Co 3 TeO 6 are synthesised at pressures of 15 GPa. A complex elliptic helical magnetic order is observed in the NTO polymorph (T N 1 = 58 K) that reorientates (42 K) and further splits (T N 2 = 23.5 K) creating a coexisting helix. Increasing Co content within the Mn 3-x Co x TeO 6 system changes the dominant DPv phase to NTO structural type and drastically modifies the magnetic behaviour. DPv Co 3 TeO 6 is the first A-site double cobaltite.

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