e-Journal of Surface Science and Nanotechnology
Online ISSN : 1348-0391
Conference -ALC '17-
Ferromagnetic Behavior and Electronic Characterization of ZnO Nanoparticles
Taisei IdeKoki FujiwaraTatsuya HashimotoKouhei KandaDaiki AiharaAkito OshimaYuko Ichiyanagi
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2018 Volume 16 Pages 406-410

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Abstract

In this work, Al-doped ZnO nanoparticles encapsulated with amorphous SiO2 were prepared by the wet chemical method. The obtained precursor was annealed and the nanoparticle sizes were controlled by adjusting the annealing temperature. These nanomaterials showed ferromagnetic behavior, even though the ZnO bulk crystal was diamagnetic. The results of electrical conductivity and XANES suggested that ferromagnetism of the Al-doped nanoparticles was results of carrier transport and oxygen vacancies. The Al-doped ZnO nanoparticles are extremely interesting from the perspective of solid state physics. [DOI: 10.1380/ejssnt.2018.406]

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