Journal
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING
Volume 161, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.mssp.2023.107479
Keywords
ZnS nanoparticles; Photoluminescence; EPR analysis; Magnetic studies
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In this study, optimally diluted magnetic semiconductors (ZnS, ZnS:Cr, ZnS:Cr + V) were prepared and characterized for spintronic device applications. The results showed that these samples exhibited strong ferromagnetism at room temperature, indicating their potential importance in developing spin-electronic devices.
The design of optimally diluted magnetic semiconductors that exhibit strong ferromagnetism at room temper-ature is also imperative for developing spintronic devices. In this study, we describe the wet chemical prepa-ration and characterization of ZnS, ZnS:Cr (1 at%), ZnS:Cr (1 at%) + V (1 at%), and ZnS:Cr (1 at%) + V (2 at%) NPs for spin-electronic device applications. Wide-ranging structural analyses suggested the incorporation of both Cr and V ions into the ZnS system. Morphological analysis revealed that the synthesized samples were in the nanoregime with a zero-dimensional alignment. Photoluminescence (PL) spectra displayed diminished lumi-nescence intensity with doing and co-doping. and Electron paramagnetic resonance analysis revealed the pres-ence and augmentation of spins with increasing V co-dopant concentration in the ZnS:Cr (1 at%) host lattice. Vibrating sample magnetometer analysis revealed that the ZnS:Cr (1 at%), ZnS:Cr (1 at%) + V (1 at%), and ZnS: Cr (1 at%) + V (2 at%) NPs exhibited strong ferromagnetism with clear hysteresis loops at room temperature.
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