Surfactant-free synthesis of magnetic cobalt particles with hierarchical nanostructures

Khe, C.S. and Aziz, A. and Lockman, Z. and Liu, W.W. and Lai, C.W. and Rajalingam, S. and Merican, Z. (2016) Surfactant-free synthesis of magnetic cobalt particles with hierarchical nanostructures. Digest Journal of Nanomaterials and Biostructures, 11 (2). pp. 321-327.

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Magnetic cobalt particles with various novel morphologies were prepared via a simple polyol route with a single step and without the assistance of a surfactant. Polyhedral microspheres, bumpy surface microspheres, and unique microspheres with hierarchical nanorod growth on top were synthesized and reported for the first time. Both face centered cubic and hexagonal closed packed phases of cobalt coexisted in these samples, where face centered cubic was the dominant phase. Cobalt microspheres covered with nanorods showed enhanced coercivity compared to their bulk cobalt counterpart most possibly is attributed to shape anisotropy. A possible formation mechanism of the cobalt particles was proposed. © 2016, Inst Materials Physics. All right reserved.

Item Type:Article
Impact Factor:cited By 0
ID Code:25582
Deposited By: Ms Sharifah Fahimah Saiyed Yeop
Deposited On:27 Aug 2021 09:59
Last Modified:27 Aug 2021 09:59

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