PREPARATION AND CHARACTERISTIC OF BIOLOGICALLY BASED CO-NI-P MICROSTRUCTURE METAL PARTICLES
Abstract
Biological materials naturally display an astonishing variety of sophisticated nanostructures that are difficult to obtain even with the most technological advanced synthetic methodologies. We describe a new type of Co-Ni-P ternary alloy microstructure particles prepared by electroless deposition based on biological templating. The plating parameters were explored and the microstructure material was studied by microbiological method, scanning election microscope (SEM), energy dispersive analysis (EDS), X-ray diffraction (XRD) and vibrating sample magnetometer (VSM). The results showed that the Bacillus were coated by Co-Ni-P ternary alloy successfully and the average contents of Co, Ni, and P in Co-Ni-P coating were about 18.73 wt%, 74.43 wt% and 3.04 wt%, respectively. The structures of as-plated Co-Ni-P alloy were amorphous and exhibited excellent magnetic property. The values of saturation magnetization (Ms), remnants magnetization (Mr) and coercivity (Hc) of the sample were about 18 emu/g, 3.5 emu/g, and 107 Oe, receptivity.
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