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 | Nanotech 2005 Vol. 2
Technical Proceedings of the 2005 NSTI Nanotechnology Conference and Trade Show, Volume 2
Chapter 10: Inorganic Nanowires and Metallic Nano Structures |
| | Novel Method for the Electrochemical Synthesis of Nickel-Rich Oxide Nanowires | | Authors: | S.A. Thorne, Y.V. Bhargava, T.S. Mintz, V. Radmilovic, Y. Suzuki and T.M. Devine | | Affilation: | University of California, Berkeley, US | | Pages: | 630 - 633 | | Keywords: | nanowires, nickel oxide, magnetic, electrochemical | | Abstract: | Using a novel electrochemical process, functionalized and self-assembled Ni-rich oxide nanowires were grown from an Alloy 600 (Ni – 15.5 a/o Cr, 8a/o Fe) substrate. The formation of the nanowires occurs in a high-temperature (238-288 degrees C), high-pressure (1500psi) aqueous solution by subjecting Alloy 600 to a specific progression of reducing and oxidizing conditions. The nanowires have an average diameter of 25nm with a range from 3nm to 100nm with a maximum observed length of 20um. Energy dispersive spectra of individual nanowires have indicated a composition of 47a/o Ni, 4a/o Fe, 49a/o O. Their composition, in conjunction with the oxidizing growth environment, suggests that the nanowires are corrosion resistant, an important property for biotechnology applications. SQUID magnetometry shows the nanowires to be ferrimagnetic, with a coercivity of approximately 80Oe and a remnant field of 0.027emu/g. Nanowires have been also synthesized on 70-30 nickel-chrome alloy. | | ISBN: | 0-9767985-1-4 |
| Pages: | 808 |
| Hardcopy: | $165.00 |
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