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Formation of Mn3O4/C core-shell nanowires and a new Mn-O phase by electron beam irradiation

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Abstract

Carbon shells have been formed on Mn3O4 nanowires under electron beam irradiation in a transmission electron microscope. The microstructure is characterized by transmission electron microscopy (TEM) imaging, electron energy-loss spectroscopy and energy-filtered imaging. Detailed TEM analysis confirms that the outer shell is composed of amorphous carbon with a thickness of 5–20 nm while the core is single crystalline Mn3O4. Electron beam irradiation induces the formation of the carbon shells. A new manganese oxide phase is also found by the transformation of Mn3O4 under the attack of the electron beam.

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Authors and Affiliations

  1. EMAT, University of Antwerp, Groenenborgerlann 171, 2020, Antwerp, Belgium

    G.H. Du & G. Van Tendeloo

  2. Institute of Physical Chemistry, Zhejiang Normal University, Jinhua, Zhejiang, 321004, P.R. China

    G.H. Du

Authors
  1. G.H. Du
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  2. G. Van Tendeloo
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Correspondence to G.H. Du.

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PACS

61.82.Rx; 81.07.-b; 68.37.Lp; 79.20.Rf; 61.80.Lj

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Du, G., Van Tendeloo, G. Formation of Mn3O4/C core-shell nanowires and a new Mn-O phase by electron beam irradiation. Appl. Phys. A 91, 393–395 (2008). https://doi.org/10.1007/s00339-008-4430-5

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  • DOI: https://doi.org/10.1007/s00339-008-4430-5

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