%T Formation of raspberry like cobalt particles with hydrazine reduction in a polyol route %V 1787 %I American Institute of Physics Inc. %A C.S. Khe %A A. Aziz %A Z. Lockman %A S. Rajalingam %A Z. Merican %A P. Vasant %X This work describes the effect of hydrazine hydrate on the formation of the raspberry-like morphology of the cobalt nanomaterials in a polyol route. In the synthesis, the molar ratio of N2H4 to Co2+was varied from 2.5 to 10. At the beginning with low molar ratio, spherical microspheres were formed. When the molar ratio was increased to 5 and above, final morphology of the cobalt nanomaterials became raspberry-like. This might be attributed to the absorption of the hydrazine complex of cobalt nanoparticles at certain facets during their growth stage and later self-assembled into the raspberry shaped microparticles. The plausible formation mechanism were proposed. © 2016 Author(s). %O cited By 0; Conference of 4th International Conference on Fundamental and Applied Sciences, ICFAS 2016 ; Conference Date: 15 August 2016 Through 17 August 2016; Conference Code:125141 %J AIP Conference Proceedings %L scholars6622 %D 2016 %R 10.1063/1.4968103