Ordered Ni nanowire tip arrays sticking out of the anodic aluminum oxide template
作者： Guowen Meng , Anyuan Cao , Ju-Yin Cheng , Aravind Vijayaraghavan , Yung Joon Jung
DOI: 10.1063/1.1846942
关键词: Etching (microfabrication) 、 Magnetic hysteresis 、 Nanowire 、 Magnetic anisotropy 、 Nanotechnology 、 Ferromagnetism 、 Optoelectronics 、 Coercivity 、 Materials science 、 Magnetic domain 、 Template
摘要: We present a method for making highly ordered arrays of Ni nanowire (NW) tips fully exposed over the surface anodic aluminum oxide (AAO) templates with uniform lengths. NWs are electrochemically deposited in nanochannels AAO templates, and is selectively etched to expose NW lengths, which can be tuned by adjusting etching time. The magnetic domain structure hysteresis were studied at room temperature, results indicate strong anisotropy coercivities significantly larger than that bulk Ni. lengths could have various practical applications.
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