The Room Temperature Ferromagnetism of (N, Co) Co-Doped ZnO Nanopaticles

Ping Cao; Yue Bai; Zhi Qu

doi:10.4028/www.scientific.net/AMM.577.19

Paper Titles

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 577The Room Temperature Ferromagnetism of (N, Co)...

The Room Temperature Ferromagnetism of (N, Co) Co-Doped ZnO Nanopaticles

Abstract:

Co-doped ZnO nanoparticles were fabricated by an electrodeposition method. The XPS results show Co ions have doped into the ZnO crystal lattices successfully. The as-grown sample has no ferromagnetism at room temperature. But after an ammine plasma treatment the room temperature ferromagnetism were detected on Co_0.04Zn_0.96O nanoparticles. The Hall measurement reveals after the treatment the resistivity increase by three orders of magnitude. Although the aspect conductivity is n type, some holes generated by N doping play an important role to induce the ferromagnetic properties for Co doped ZnO sample.

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Periodical:

Applied Mechanics and Materials (Volume 577)

Pages:

19-22

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.577.19

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Online since:

July 2014

Authors:

Ping Cao*, Yue Bai, Zhi Qu

Keywords:

Co-Doping, Ferromagnetism, Nanopaticles

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