Abstract
The displacement reaction technique was used to produce a nanostructured core/shell FeCo/Cu composed of FeCo core and copper (Cu) shell. The formation of the core-shell structure and thickness of the Cu layer is established and determined by analyzing the X-ray diffraction (XRD) pattern. The transmission electron microscope and selected area diffraction pattern analysis corroborate the results of the XRD studies. Magnetic force microscopic studies reveal that the FeCo/Cu particle shows single-domain characteristics. Oxidation studies indicate that Cu serves as a protective layer and provides a better oxidation resistance to the FeCo core even at high temperatures. Heat-treated FeCo/Cu particles show the possibility of tuning the magnetic properties of this core-shell structure to fit specific application requirements.
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The datasets generated and/or analyzed during the current study are available from the corresponding author on reasonable request.
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Authors are thankful to the Science and Engineering Research Board (SERB), under the Department of Science and Technology (DST), Government of India [F.No. EMR/2016/005363] for providing financial assistance.
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Conceptualization, methodology, investigation, writing and editing—original draft by AS and ABM. AKP and AM helped in magnetic data collections and analysis of data. All experimental works and data analysis were supervised and guided by ABM and AM. All authors read and approved the final manuscript.
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Sarkar, A., Panda, A.K., Mitra, A. et al. Tuneable magnetic properties of single-domain oxidation-resistant core/shell FeCo/Cu nanostructures. J Mater Sci: Mater Electron 34, 136 (2023). https://doi.org/10.1007/s10854-022-09438-5
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DOI: https://doi.org/10.1007/s10854-022-09438-5