Synthesis of samarium-doped cerium oxide nanoparticles with room-temperature ferromagnetism by modified hydrothermal method
Source abstract
Abstract
Dilute magnetic semiconductors (DMS) with room-temperature ferromagnetism take hold of research in the emerging field of spintronics, involving multifunctional applications, which exploit both the electron charge and the intrinsic spin of the electron. Samarium-doped cerium oxide can be treated as DMS with its enhanced ferromagnetic property and room-temperature ferromagnetism. Pure cerium oxide and obtained 0.5 and 1% by weight of samarium-doped cerium oxide are synthesized, following the modified hydrothermal method using 6-aminohexanoic acid as surfactant. The XRD, FESEM, FTIR, VSM and UV studies were reported for the synthesized materials. The Sm-doped CeO2 exhibits enhanced ferromagnetism with saturated magnetism of 0.0007 emu/g. The optical absorption spectra reveal a band gap energy of 3.28 eV. Simple experimental methodology of synthesis with the optimal results affords a support for developing a dilute magnetic semiconductor for spintronics.
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Research context
OpenAlex topics: Catalytic Processes in Materials Science · Advanced Nanomaterials in Catalysis · Nanomaterials for catalytic reactions
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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