Issue 13, 2006

Fabrication and magnetic properties of hierarchical porous hollow nickel microspheres

Abstract

Hierarchical porous hollow nickel microspheres with nickel nanoparticles as the in situ formed building units have been fabricated via a novel precursor hydrothermal redox method in alkaline solution of KBH4. The microspheres exhibit enhanced coercivity and remanent magnetization as compared with hollow nickel submicrometer spheres, hollow nickel nanospheres, bulk nickel, and free Ni nanoparticles. Investigations have demonstrated that the enhancement is attributed to the hierarchical porous hollow structure, while the hierarchical structure has little influence on saturation magnetization.

Graphical abstract: Fabrication and magnetic properties of hierarchical porous hollow nickel microspheres

Supplementary files

Article information

Article type
Communication
Submitted
05 Dec 2005
Accepted
20 Feb 2006
First published
28 Feb 2006

J. Mater. Chem., 2006,16, 1212-1214

Fabrication and magnetic properties of hierarchical porous hollow nickel microspheres

Y. Wang, Q. Zhu and H. Zhang, J. Mater. Chem., 2006, 16, 1212 DOI: 10.1039/B517176H

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