Citation
Kok, Kuan Ying and Ng, Inn Khuan and Saidin, Nur Ubaidah and Mat Zali, Nurazila and Ahmad Bustamam, Farah Khuwailah and Shaari, Abdul Halim
(2010)
Electrochemical synthesis of highly ordered magnetic multilayered nanowire arrays.
In: 2nd ASEAN-APCTP Workshop on Advanced Materials Science and Nanotechnology (AMSN 2010), 21-23 Dec. 2010, Penang, Malaysia. (pp. 85-90).
Abstract
Electrochemical deposition is a versatile technique that has been employed to synthesize various types of one-dimensional nanostructures such as nanorods, nanotubes and nanowires to meet different requirements for applications. Magnetic nanowires in the form of multilayered structures, such as Co/Cu and permalloy (Ni80Fe20)/Cu, with ferromagnetic materials alternating with non-magnetic materials exhibit giant magnetoresistance (GMR) property that can be utilized in sensors and mass memory devices. This study focuses on the synthesis of highly ordered magnetic multilayered nanowire arrays using template-directed electrochemical deposition technique. The nanowires were electrodeposited within the nanopores of anodized alumina from sulphate baths via pulse potential technique. The structures and compositions of the wires were characterized using various microscopy and probe-based techniques. Magnetoresistance measurement was performed on the multilayered nanowire arrays.
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