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Size- and Temperature-Dependent Structural Transitions in Gold Nanoparticles
Abstract
Size- and temperature-dependent structural transitions in gold nanoparticles were revealed with morphology statistics obtained by high-resolution electron microscopic observations for thousands of particles annealed in a helium heat bath. We found that gold nanoparticles over a wide size range, 3-14 nm, undergo a structural transformation from icosahedral to decahedral morphology just below the melting points. It was also clarified that the formation of bulk crystalline structures from the decahedral morphology requires the melt-freeze process due to an insurmountable high free-energy barrier.
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Citations
Cited by
Structural properties of nanoclusters: Energetic, thermodynamic, and kinetic effects
Baletto, F., & Ferrando, R. (2005) · Reviews of Modern Physics · doi:10.1103/revmodphys.77.371 · Cited by 1,811
Metadata
- Authors
- Koga, K., Ikeshoji, T., & Sugawara, K.-I.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2004-03-19
- Volume
- 92
- Issue
- 11
- Pages
- 115507-115507
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2087411908
- Cited by
- 308
- References
- 0
- FWCI
- 11.10
- Type
- journal article
- Language
- en
- Open access
- closed
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- Koga, K., Ikeshoji, T., & Sugawara, K.-I. (2004). Size- and Temperature-Dependent Structural Transitions in Gold Nanoparticles. Physical Review Letters. https://doi.org/10.1103/physrevlett.92.115507
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
