期刊
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
卷 91, 期 3, 页码 393-395出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s00339-008-4430-5
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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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