18 May 2006 Fabrication of magnetostrictive nanobars
Author Affiliations +
Abstract
To develop biosensors with the capability of detecting very small mount of biological agents, such as single or several cells, magnetostrictive bars or stripes in size from nanometer to micrometer are required. In this paper, magnetostrictive nanobars and nanobar arrays, with a diameter from 50 to 200 nm and a length of 2~5 μm, were fabricated based on template-based synthesis. The amorphous Fe-B alloy was selected as the magnetostrictive material to fabricate the nanobars. The study on resonance behavior and magnetic properties of plated Fe-B thin films indicate that amorphous Fe-B alloy is a good candidate for fabricating high performance sensor platform. The magnetization hysteresis loop of Fe-B nanobars was characterized. It is found that all the nanobar arrays exhibit easy axis of magnetization along bar length direction but with smaller coercivity, which is different with bulk materials. The physics behind the phenomena is discussed.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Suiqiong Li, Liling Fu, Z.-Y. Cheng, Lilianna Navarrete, Rainer Schad, "Fabrication of magnetostrictive nanobars", Proc. SPIE 6223, Micro (MEMS) and Nanotechnologies for Space Applications, 62230T (18 May 2006); doi: 10.1117/12.664006; https://doi.org/10.1117/12.664006
PROCEEDINGS
8 PAGES


SHARE
Back to Top