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https://hdl.handle.net/10356/106306
Title: | Enhanced ferromagnetism of ZnO@Co/Ni hybrid core@shell nanowires grown by electrochemical deposition method | Authors: | Tran, Dat Quang Akabori, Masashi Pham, Huyen Trang Nguyen, Tam Duy Md. Earul Islam |
Keywords: | DRNTU::Science::Chemistry ZnO@Co/Ni hybrid core@shell NWs Ferromagnetism |
Issue Date: | 2018 | Source: | Pham, H. T., Nguyen, T. D., Md. Earul Islam, Tran, D. Q., & Akabori, M. (2018). Enhanced ferromagnetism of ZnO@Co/Ni hybrid core@shell nanowires grown by electrochemical deposition method. RSC Advances, 8(2), 632-639. doi:10.1039/C7RA11123A | Series/Report no.: | RSC Advances | Abstract: | The hybrid structure of ZnO NWs with the presence of different dopants recently has drawn many interests from researchers due to the possibility to integrate multiple functionalities into one single structure. In this article, we investigated the morphology, crystal structure and ferromagnetism of the ZnO@Co/Ni hybrid core@shell NWs prepared by a facile electrochemical deposition method. The results show that a thin layer of Ni and Co coated on the surface of ZnO NWs (confirmed by XRD, EDS, TEM and Raman scattering) can create a significant improvement of ferromagnetic property in such hybrid core@shell NWs. In which, for the coating time of 10, 15, 20 min, the value of Ms is around 0.67, 0.88 and 2.56 emu g−1 for ZnO@Co NWs, and about 0.013, 0.022 and 0.031 emu g−1 for ZnO@Ni NWs, respectively, in comparison with the number of 0.016 emu g−1 for pure ZnO NWs. Interestingly, we also found the temperature dependence of ferromagnetism of such Co/Ni coated ZnO NWs. These results reveal the possibility to employ such hybrid core@shell NWs for many applications, e.g. spin field effect transistors. | URI: | https://hdl.handle.net/10356/106306 http://hdl.handle.net/10220/48898 |
DOI: | 10.1039/C7RA11123A | Schools: | Interdisciplinary Graduate School (IGS) | Research Centres: | Energy Research Institute @ NTU (ERI@N) | Rights: | © 2018 The Royal Society of Chemistry. This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. | Fulltext Permission: | open | Fulltext Availability: | With Fulltext |
Appears in Collections: | ERI@N Journal Articles IGS Journal Articles |
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Enhanced ferromagnetism of ZnO@Co Ni.pdf | 1.01 MB | Adobe PDF | View/Open |
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