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Content Provider | IEEE Xplore Digital Library |
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Author | Quanguo He Lei Zeng Zhaohui Wu |
Copyright Year | 2010 |
Abstract | Using a nanoscale buiding block to fabricate macroscopic sensing material is a popular challenge either from a fundamental research standpoint or from an applied perspective. In this paper we report a novel aqueous preparation of gold-supported composite films from nanoscale MPTES-functionalized magnetite (Fe3O4) nanoparticles (NPs) under aqueous excessive aureate reduction. The composite films are characterized by X-ray powder diffraction (XRD), X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM) with energy dispersive spectroscopy (EDS), superconducting quantum interference device (SQUID) magnetometry. The films demonstrate a morphology of high specific surface area due to it close-packed magnetite nanoparticles on the reduced gold substrate, and their saturation magnetization is 12.3 emu•g-1. These magnetic gold films with composite structure provide properties combination and possible new functions such as gas sensing or catalytic purposes. |
Starting Page | 595 |
Ending Page | 598 |
File Size | 542980 |
Page Count | 4 |
File Format | |
ISBN | 9781424450015 |
e-ISBN | 9781424457397 |
DOI | 10.1109/ICMTMA.2010.653 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2010-03-13 |
Publisher Place | China |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Gold Spectroscopy Scanning electron microscopy Magnetic film magnetite (Fe3O4) nanoparticles Superconducting magnets sensing nanocomposite Magnetic films Fabrication Nanoparticles Superconducting films Nanofabrication sensor SQUIDs Saturation magnetization |
Content Type | Text |
Resource Type | Article |
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