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Title: Synthesis, characterization and ferromagnetic properties of Zn<inf>1-x</inf>Mn<inf>x</inf>O (x ≤ 0.05) nanoparticles
Authors: Anukorn Phuruangrat
Titipun Thongtem
Somchai Thongtem
Keywords: Chemistry
Issue Date: 5-Jun-2018
Abstract: © 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.
ISSN: 00222860
Appears in Collections:CMUL: Journal Articles

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