Preparation of Zn1-xCoxO Diluted Magnetic Semiconductor by Hydrothermal Method

Abstract:

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Zn1-xCoxO diluted magnetic semiconductor was prepared by hydrothermal method at 200 °C and 240 °C for 24h with the Co2+ doping content of 5~15 mol%. NaOH was used as the mineralizer. X-ray diffraction analysis indicated that the as-prepared Co-doped ZnO had the pure ZnO wurtzite structure. UV–Visible spectroscopy had shown that the Co ions are substituted to Zn ions in ZnO matrix. Room temperature VSM revealed a paramagnetic behavior of the Co-doped ZnO samples. FE-SEM analyses showed that nanocrystalline powders of pure Zn095Co0.05O and Zn09Co0.1O could be prepared by the hydrothermal method.

Info:

Periodical:

Key Engineering Materials (Volumes 368-372)

Edited by:

Wei Pan and Jianghong Gong

Pages:

620-622

DOI:

10.4028/www.scientific.net/KEM.368-372.620

Citation:

H. Q. Li et al., "Preparation of Zn1-xCoxO Diluted Magnetic Semiconductor by Hydrothermal Method", Key Engineering Materials, Vols. 368-372, pp. 620-622, 2008

Online since:

February 2008

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Price:

$35.00

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