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Unusual crystallite growth and modification of ferromagnetism due to aging in pure and doped ZnO nanoparticles
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10.1063/1.3679147
/content/aip/journal/jap/111/7/10.1063/1.3679147
http://aip.metastore.ingenta.com/content/aip/journal/jap/111/7/10.1063/1.3679147
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) (a) XRD data of a pure ZnO sample before and after 4 years of aging. Inset shows the reduction in (102) peak width (b) TEM images of the same sample as-prepared and aged. (c) TEM particle size distribution confirms growth.

Image of FIG. 2.
FIG. 2.

(Color online) (a) XRD size of pure (solid squares) and 5% Fe (open circles) ZnO aged over 8 months. Inset shows normalized growth vs time for these samples, divided into initial sizes of 5–10 nm (circles) and 10–20 nm (squares). VSM MvsH data is shown for (b) 5% and (c) 1% Fe ZnO samples before (solid symbols) and after (open symbols) 1 year of aging, with 10 mg/mL PAA coating (circles) and without (squares).

Image of FIG. 3.
FIG. 3.

(Color online) MvsH data for (a) ∼6 nm 1% Fe ZnO, (b) ∼18 nm 1% Fe ZnO and (c) ∼18 nm 5% Fe ZnO. Samples are as-prepared (solid symbols), after 1 year aging (open symbols), with PAA coating (circles) and without PAA (squares).

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/content/aip/journal/jap/111/7/10.1063/1.3679147
2012-03-12
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Unusual crystallite growth and modification of ferromagnetism due to aging in pure and doped ZnO nanoparticles
http://aip.metastore.ingenta.com/content/aip/journal/jap/111/7/10.1063/1.3679147
10.1063/1.3679147
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