Abstract
Techniques developed to measure the thermodynamic and electronic properties of a single metallic cluster with nanometer-size dimensions are described. Using these techniques, experiments that resolve the quantized energy spectrum of electrons in a nanometer-size cluster of metallic atoms at room temperature have been performed. Studies on the stability of the electron emission current from an individual nanometer-size cluster supported on a tungsten tip have been performed to learn more about the intrinsic stability of these nanometer-size objects. The data show abrupt jumps between different emission states that are revisited as time progresses. This phenomenon is attributed to a rearrangement of the cluster structure and/or orientation on the substrate and provides new evidence of multiple ‘isomeric’ structures for small clusters of metallic atoms.
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Lin, M.E., Ramachandra, A., Andres, R.P., Reifenberger, R. (1993). Electron Emission from Nanometer-Size Metallic Clusters: Electronic States and Structural Stability of Supported Au Clusters. In: Binh, V.T., Garcia, N., Dransfeld, K. (eds) Nanosources and Manipulation of Atoms Under High Fields and Temperatures: Applications. NATO ASI Series, vol 235. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-1729-6_7
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DOI: https://doi.org/10.1007/978-94-011-1729-6_7
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