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Size-dependent melting point depression of nanostructures: Nanocalorimetric measurements
Abstract
The melting behavior of 0.1--10-nm-thick discontinuous indium films formed by evaporation on amorphous silicon nitride is investigated by an ultrasensitive thin-film scanning calorimetry technique. The films consist of ensembles of nanostructures for which the size dependence of the melting temperature and latent heat of fusion are determined. The relationship between the nanostructure radius and the corresponding melting point and latent heat is deduced solely from experimental results (i.e., with no assumed model) by comparing the calorimetric measurements to the particle size distributions obtained by transmission electron microscopy. It is shown that the melting point of the investigated indium nanostructures decreases as much as 110 K for particles with a radius of 2 nm. The experimental results are discussed in terms of existing melting point depression models. Excellent agreement with the homogeneous melting model is observed.
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Citations
Cited by
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Alcoutlabi, M., & McKenna, G. B. (2005) · Journal of Physics: Condensed Matter · doi:10.1088/0953-8984/17/15/r01 · Cited by 1,075
Size dependence of nanostructures: Impact of bond order deficiency
Sun, C. Q. (2007) · Progress in Solid State Chemistry · doi:10.1016/j.progsolidstchem.2006.03.001 · Cited by 873
Differential scanning calorimetry (DSC) of semicrystalline polymers
Schick, C. (2009) · Analytical and Bioanalytical Chemistry · doi:10.1007/s00216-009-3169-y · Cited by 440
Surface Energy of Nanostructural Materials with Negative Curvature and Related Size Effects
Ouyang, G., Wang, C. X., & Yang, G. W. (2009) · Chemical Reviews · doi:10.1021/cr900055f · Cited by 274
Current status and future prospects of nanotechnology in cosmetics
Mihranyan, A., Ferraz, N., & Strømme, M. (2012) · Progress in Materials Science · doi:10.1016/j.pmatsci.2011.10.001 · Cited by 268
Metadata
- Authors
- Zhang, M., Efremov, M. Y., Schiettekatte, F., Olson, E. A., Kwan, A. T., Lai, S. L., Wisleder, T., Greene, J. E., & Allen, L. H.
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 2000-10-15
- Volume
- 62
- Issue
- 15
- Pages
- 10548-10557
- ISSN
- 0163-1829 (ISSN-L)
- 1095-3795
- OpenAlex
- W1990771518
- Cited by
- 464
- References
- 0
- FWCI
- 5.55
- Type
- journal article
- Language
- en
- Open access
- closed
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- Zhang, M., Efremov, M. Y., Schiettekatte, F., Olson, E. A., Kwan, A. T., Lai, S. L., Wisleder, T., Greene, J. E., & Allen, L. H. (2000). Size-dependent melting point depression of nanostructures: Nanocalorimetric measurements. Physical Review B. https://doi.org/10.1103/physrevb.62.10548
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