Synthesis, characterization and ferromagnetic properties of Zn<inf>1-x</inf>Mn<inf>x</inf>O (x ≤ 0.05) nanoparticles
© 2018 Elsevier B.V. Zn1-xMnxO (x ≤ 0.05) nanoparticles were synthesized by a combination of room temperature precipitation and high temperature calcination. Pure hexagonal wurtzite ZnO nanoparticles with the size of ≤100 nm and a dominant vibrational peak at 437 cm−1of E2Hnon-polar optical phonon m...
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| Main Authors: | , , |
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| Format: | Journal |
| Published: |
2018
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| Subjects: | |
| Online Access: | https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85042114273&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/58449 |
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| Institution: | Chiang Mai University |
| Summary: | © 2018 Elsevier B.V. Zn1-xMnxO (x ≤ 0.05) nanoparticles were synthesized by a combination of room temperature precipitation and high temperature calcination. Pure hexagonal wurtzite ZnO nanoparticles with the size of ≤100 nm and a dominant vibrational peak at 437 cm−1of E2Hnon-polar optical phonon mode were detected. The present research was succeeded in doping of ZnO lattice by Mn2+ions, including the detection of an additional peak at 528 cm−1associated with lattice defects. Magnetic properties of Zn1-xMnxO (x ≤ 0.05) nanoparticles were controlled by correlated spin of Mn–O–Mn exchange couple and lattice disorder. The saturation magnetization of ferromagnetic Zn0.97Mn0.03O was the highest at 51.49 × 10−3emu/g. |
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