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Defect-induced ferromagnetism in ZnO nanoparticles prepared by mechanical milling
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10.1063/1.4793428
/content/aip/journal/apl/102/7/10.1063/1.4793428
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/7/10.1063/1.4793428
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) XRD patterns of ZnO NPs with various milling times (t m). The dependences of (b) the crystallite size and (c) the lattice constants on t m. The inset of (b) shows the W-H plot for the sample with t m = 100 h.

Image of FIG. 2.
FIG. 2.

RS spectra of the NP samples excited by a wavelength of λ = 488 nm. The inset plots the t m dependences of the I 1/I 2 ratio and the relative intensity of E 2(H), I 2.

Image of FIG. 3.
FIG. 3.

(a, b) Temperature dependences of M FC and M ZFC (for an applied field of 1000 Oe), and (c) M-H data of some representative ZnO NP samples.

Image of FIG. 4.
FIG. 4.

Room-temperature ESR spectra of some representative ZnO NP samples.

Image of FIG. 5.
FIG. 5.

(a) Zn K-edge XAFS spectra, (b) Fourier-transformed EXAFS spectra, and (c) Zn K-edge EXAFS oscillations for the NP samples.

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/content/aip/journal/apl/102/7/10.1063/1.4793428
2013-02-21
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Defect-induced ferromagnetism in ZnO nanoparticles prepared by mechanical milling
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/7/10.1063/1.4793428
10.1063/1.4793428
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