Synthesis and magnetic properties of iron nanoellipsoids bioinspired by magnetotactic bacteria

Ferromagnetic iron nanoellipsoids were prepared by the hydrogen reduction of ellipsoidal hematite nanoarchitectures. These magnetic nanoscale particles displayed a microstructure that showed clear similarities to the magnetosome chains of the magnetotactic bacteria. Specifically, such nanoellipsoids...

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Bibliographic Details
Main Authors: Luna Criado, Carlos, Barriga Castro, Enrique Díaz, Mendoza Reséndez, Raquel
Format: Article
Language:English
Published: J. Gutierez, J.M. Barandiaran, E. Hristoforou and D.S. Vlachos 2015
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Online Access:http://eprints.uanl.mx/8006/1/2015%20Synthesis%20and%20Magnetic%20Properties%20of%20Iron%20Nanoellipsoids%20Bioinspired%20by%20Magnetotactic%20Bacteria.pdf
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Summary:Ferromagnetic iron nanoellipsoids were prepared by the hydrogen reduction of ellipsoidal hematite nanoarchitectures. These magnetic nanoscale particles displayed a microstructure that showed clear similarities to the magnetosome chains of the magnetotactic bacteria. Specifically, such nanoellipsoids are formed by single-domain nanocrystals assembled into double chains sharing the same crystallographic orientation. In the present contribution, the magnetic properties of the Fe nanoellipsoids were explained considering the chain of spheres model of Jacobs and Bean, and thermal effects.