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Evaluation of structural and electrical properties of multicomponent spinel oxide thin films deposited via spray pyrolysis technique
Abstract
This work reports the preparation of (Mn,Co,Fe,Ni,Cr)3O4 high-entropy spinel oxide in the form of a ~ 500 nm thin film utilising a facile spray pyrolysis technique. The structural and electrical properties of the layers were characterised after exposure to temperatures in the range of 400–900 ◦C. The as-deposited layers were amorphous, and crystallised upon heat treatment at 500 ◦C. Microstructural analyses proved a homogeneous elemental distribution and the desired Fd-3 m cubic spinel structure. Electrical conductivity measurements indicated a dependence on the processing temperature, with the highest electrical conductivity values (~3 S cm 1 at 700 ◦C) obtained for layers heat-treated at 700 ◦C. The spray pyrolysis technique seems to be well suited to fabricating and exploring spinel-based high-entropy oxides synthesized as thin films, and to studying new compositions containing transition metal cations.
Citations
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Authors (5)
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Grzegorz Cempura dr inż.
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Full text
- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.matchar.2023.113097
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Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
MATERIALS CHARACTERIZATION
no. 203,
ISSN: 1044-5803 - Language:
- English
- Publication year:
- 2023
- Bibliographic description:
- Kamecki B., Karczewski J., Cempura G., Jasiński P., Molin S.: Evaluation of structural and electrical properties of multicomponent spinel oxide thin films deposited via spray pyrolysis technique// MATERIALS CHARACTERIZATION -Vol. 203, (2023), s.113097-
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.matchar.2023.113097
- Sources of funding:
- Verified by:
- Gdańsk University of Technology
Referenced datasets
- dataset SEM/EDX data of (Cr,Fe,Mn,Co,Ni)3O4 High-entropy spinel oxide thin films deposited on amorphous SiO2 substrate by spray pyrolysis techniqe
- dataset TEM data of (Cr,Fe,Mn,Co,Ni)3O4 High-entropy spinel oxide thin films deposited on amorphous SiO2 substrate by spray pyrolysis techniqe
- dataset Total electrical conductivity data of (Cr,Fe,Mn,Co,Ni)3O4 High-entropy spinel oxide thin films deposited on amorphous SiO2 substrate by spray pyrolysis techniqe
- dataset XRD data of (Cr,Fe,Mn,Co,Ni)3O4 High-entropy spinel oxide thin films deposited on amorphous SiO2 substrate by spray pyrolysis techniqe, annealed in a range from 400 to 900oC
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