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Issue 3, 2011
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On the behavior of Ag nanowires under high temperature: in situ characterization by aberration-corrected STEM

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Abstract

Single crystal nanowires have been monitored at a wide range of temperatures from room temperature up to 900 °C using an aberration-corrected JEOL 2200FS scanning transmission electron microscope in both, bright field and high angle annular dark field, modes. The in situ measurements allowed heating and cooling the material instantaneously at the desired value making able to analyze the behaviour of silver nanowires at atomic resolution. The nanowires which firstly melted and subsequently vaporized left after the reaction empty carbon nanotubes. In addition, a Chevron-like defect has been also observed for the first time in silver nanowires and a structural analysis has been carried out by aberration corrected scanning transmission electron microscopy using high angle annular dark field imaging.

Graphical abstract: On the behavior of Ag nanowires under high temperature: in situ characterization by aberration-corrected STEM

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Publication details

The article was received on 11 Aug 2010, accepted on 20 Oct 2010 and first published on 15 Nov 2010


Article type: Paper
DOI: 10.1039/C0JM02624G
Citation: J. Mater. Chem., 2011,21, 893-898
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    On the behavior of Ag nanowires under high temperature: in situ characterization by aberration-corrected STEM

    A. Mayoral, L. F. Allard, D. Ferrer, R. Esparza and M. Jose-Yacaman, J. Mater. Chem., 2011, 21, 893
    DOI: 10.1039/C0JM02624G

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