Journal
JOURNAL OF PHYSICAL CHEMISTRY C
Volume 113, Issue 17, Pages 6902-6905Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jp902010j
Keywords
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Funding
- National Research Council of Science & Technology (NST), Republic of Korea [T29400, K09011] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [15-2008-07-001-00, 과09A1113, 2007-0056784, 2008-0057805] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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We have investigated electrical and magnetic properties of single-crystalline Fe5Si3 nanowires. The nanowire ensemble shows ferromagnetic properties with a high T-c of 380 K, small coercivity, and no remanence in zero field at room temperature. Such magnetic properties of the single-crystalline nanowires should give a chance to realize not only novel nanospintronic devices but also biomedical applications. Electrical transport measurements on single Fe5Si3 nanowire device show metallic properties with low resistivity of 487 mu . Omega . cm. Fe5Si3 nanowires are the first example of single-crystalline metallic ferromagnet with a T-c higher than room temperature.
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