Journal
MATERIALS RESEARCH LETTERS
Volume 6, Issue 9, Pages 489-494Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/21663831.2018.1482838
Keywords
La0.7Sr0.3MnO3; nanocomposite thin films; pulsed laser deposition; microstructures; magnetoresistance effect
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Funding
- basic research and common key technology innovation projects of Shenyang National Laboratory for Materials Science of China [2017RP15]
- basic scientific research projects of colleges and universities of Liaoning Province of China [2017005]
- National Basic Research Program of China [2017YFA0206302]
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Self-assembled epitaxial La0.7Sr0.3MnO3: NiO (LSMO: NiO) nanocomposite thin films were grown on (001)-oriented SrTiO3 substrates by pulsed laser deposition, and their microstructures and magnetoresistance (MR) properties were investigated. The room temperature MR effect at a low magnetic field has been realized in the composite films, and the maximum MR value is 18.7% at 300 K and 1 T. The room temperature MR properties at the low magnetic field can be attributed to the special structure, which is made up of the nano-sized LSMO and NiO columns. The room temperature MR properties at low magnetic fields will facilitate its extensive room temperature applications. [GRAPHICS] IMPACT STATEMENT The room temperature magnetoresistance properties at a low magnetic field has been realized in the self-assembled epitaxial La0.7Sr0.3MnO3: NiO nanocomposite thin films by controlling the microstructures.
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