Coexisting commensurate and incommensurate magnetic orders in the double double perovskite CaMnCoWO<sub>6</sub>-Reference-Cited by-同舟云学术

Coexisting commensurate and incommensurate magnetic orders in the double double perovskite CaMnCoWO₆

Published:2023-06-21 Issue:15 Volume:649 Page:
ISSN:0044-2313
Container-title:Zeitschrift für anorganische und allgemeine Chemie
language:en
Short-container-title:Zeitschrift anorg allge chemie

Author:

Ji Kunlang¹,Chen Ruichao¹,Manuel Pascal²,Attfield J. Paul¹^ORCID

Affiliation:

1. Centre for Science at Extreme Conditions (CSEC) and School of Chemistry University of Edinburgh Mayfield Road Edinburgh EH9 3JZ UK

2. STFC Rutherford Appleton Lab, ISIS Facility Harwell Science and Innovation Campus Didcot OX11 0QX UK

Abstract

AbstractA new double double perovskite of ideal composition CaMnCoWO6 has been synthesised at high pressure. The structure is tetragonal (P42/n, a=7.6651(3), c=7.6822(3) Å) and disorder between A‐site Mn2+ and B‐site Co2+ leads to a Co‐rich off‐stoichiometric composition CaMn0.8Co1.2WO6 [Ca(Mn0.65Co0.35) (Co0.86Mn0.14)WO6]. An unusual combination of commensurate and incommensurate spin orders (A‐site Mn/Co spins with propagation vector (0.5 0.5 0.5) and B‐site Co/Mn spins with (0.5 0.42 0.5)) is observed below a magnetic transition at TC=18 K. This is the first discovery of complex magnetism in the double double perovskite family.

Funder

Engineering and Physical Sciences Research Council

Publisher

Wiley

Subject

Inorganic Chemistry

Link

https://onlinelibrary.wiley.com/doi/pdf/10.1002/zaac.202300047

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