Journal article
Composition-dependent transition from spin glass to ferrimagnet in CaLa2Ni2-xCuxWO9 (0 ≤ x ≤ 0.5)
- Abstract:
- Polycrystalline samples of the monoclinic perovskites CaLa2Ni2-xCuxWO9 (x = 0.25 and 0.5) have been prepared and characterised by neutron diffraction and magnetometry. The Ni2+, Cu2+ and W6+ cations are partially ordered over two crystallographically-distinct six-coordinate sites such that one is ∼63% occupied by W6+ and both are occupied by Ni2+ and Cu2+ in a ratio of (2-x):x. The composition x = 0.25 behaves as a spin glass below 35 K whereas x = 0.5 is ferrimagnetic below 120 K with an ordered moment of 0.774(5) μB per magnetic cation. The atomic moments order in a G-type pattern and the imbalance in the number of magnetic cations on the two sites results in a net magnetisation.
- Publication status:
- Published
- Peer review status:
- Peer reviewed
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- Files:
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(Preview, Accepted manuscript, pdf, 699.2KB, Terms of use)
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- Publisher copy:
- 10.1016/j.jssc.2020.121388
Authors
- Publisher:
- Elsevier
- Journal:
- Journal of Solid State Chemistry More from this journal
- Volume:
- 287
- Issue:
- July 2020
- Article number:
- 121388
- Publication date:
- 2020-04-14
- Acceptance date:
- 2020-04-09
- DOI:
- ISSN:
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0022-4596
- Language:
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English
- Keywords:
- Pubs id:
-
1100040
- Local pid:
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pubs:1100040
- Deposit date:
-
2020-04-14
- ARK identifier:
Terms of use
- Copyright holder:
- Elsevier Inc.
- Copyright date:
- 2020
- Rights statement:
- © 2020 Elsevier Inc. All rights reserved
- Notes:
- This is the accepted manuscript version of the article. The final version is available from Elsevier at: https://doi.org/10.1016/j.jssc.2020.121388
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