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Title: Ferromagnetic ordering in Mn-doped ZnO nanoparticles
Authors: Luo, X
Lee, W.-T
Xing, G
Bao, N 
Yonis, A
Chu, D
Lee, J
Ding, J 
Li, S
Yi, J
Keywords: Annealing
Atmospheric temperature
Diluted magnetic semiconductors
Electron spin resonance spectroscopy
II-VI semiconductors
Magnetic moments
Magnetic semiconductors
Manganese compounds
Semiconductor doping
Synthesis (chemical)
Wide band gap semiconductors
Zinc oxide
ZnO nanoparticles
Doping concentration
Ferromagnetic orderings
Hydrothermal techniques
Post annealing
Room temperature ferromagnetism
Secondary phase
Synchrotron x ray diffraction
Semiconducting zinc compounds
Issue Date: 2014
Citation: Luo, X, Lee, W.-T, Xing, G, Bao, N, Yonis, A, Chu, D, Lee, J, Ding, J, Li, S, Yi, J (2014). Ferromagnetic ordering in Mn-doped ZnO nanoparticles. Nanoscale Research Letters 9 (1) : 625. ScholarBank@NUS Repository.
Rights: Attribution 4.0 International
Abstract: Zn1 - xMnxO nanoparticles have been synthesized by hydrothermal technique. The doping concentration of Mn can reach up to 9 at% without precipitation or secondary phase, confirmed by electron spin resonance (ESR) and synchrotron X-ray diffraction (XRD). Room-temperature ferromagnetism is observed in the as-prepared nanoparticles. However, the room-temperature ferromagnetism disappears after post-annealing in either argon or air atmosphere, indicating the importance of post-treatment for nanostructured magnetic semiconductors. © 2014, Luo et al.; licensee Springer.
Source Title: Nanoscale Research Letters
ISSN: 19317573
DOI: 10.1186/1556-276X-9-625
Rights: Attribution 4.0 International
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