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Nanoscale Res Lett. 2013 Jun 19;8(1):290. doi: 10.1186/1556-276X-8-290.

Single-crystalline δ-Ni2Si nanowires with excellent physical properties.

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1
Department of Materials Science and Engineering, National Chiao Tung University, Hsinchu, 300, Taiwan. clhsin@ee.ncu.edu.tw.

Abstract

In this article, we report the synthesis of single-crystalline nickel silicide nanowires (NWs) via chemical vapor deposition method using NiCl2·6H2O as a single-source precursor. Various morphologies of δ-Ni2Si NWs were successfully acquired by controlling the growth conditions. The growth mechanism of the δ-Ni2Si NWs was thoroughly discussed and identified with microscopy studies. Field emission measurements show a low turn-on field (4.12 V/μm), and magnetic property measurements show a classic ferromagnetic characteristic, which demonstrates promising potential applications for field emitters, magnetic storage, and biological cell separation.

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