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Exsolution of Fe-based pyramidal nanostructures from a noble metal doped perovskite matrix

Lookup NU author(s): Dr Deblina Majumder, Dr Evangelos PapaioannouORCiD

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Abstract

© 2025 RSC.Homogeneous pyramidal oxide exsolution is demonstrated for the first time leveraging a La0.05Ag0.05Sr0.90FeO3 perovskite. The impressive structures were comprehensively characterised using XRD, SEM, TEM, XPS, and DFT to reveal their structural and chemical identity. The hierarchical oxide formation highlights the potential of exsolution as a nano-engineering method for developing oxide-based catalysts.

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Author(s): Majumder D, Saini S, Skinner WSJ, Martinez Martin A, Kerherve G, Payne DJ, Mondal D, Papaioannou EI, Kousi K

Publication type: Article

Publication status: Published

Journal: Nanoscale Advances

Year: 2025

Volume: 7

Issue: 20

Pages: 6426-6437

Online publication date: 29/08/2025

Acceptance date: 21/08/2025

Date deposited: 21/10/2025

ISSN (electronic): 2516-0230

Publisher: Royal Society of Chemistry

URL: https://doi.org/10.1039/D5NA00469A

DOI: 10.1039/d5na00469a

Data Access Statement: The research data for this article can be accessed at DOI: https:// doi.org/10.15126/surreydata.901429. Supplementary information is available. See DOI: https:// doi.org/10.1039/d5na00469a.

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