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Experimental evidence for quasimelting in small particles
Abstract
We present experimental evidence which demonstrates for the first time that small particles on substrates sit in deep potential-energy wells and, once floated out of these, can quasimelt between various local minima on shallow morphological free-energy surfaces. The energy needed to nucleate the quasimolten state is found to be orders of magnitude larger than that needed to sustain the state. The particles retain the unstable state for long intervals of time until they find another well on the substrate in which they can form a stable Wulff polyhedron shape.
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Citations
Cited by
Experimental studies of small particle structures
Marks, L. D. (1994) · Reports on Progress in Physics · doi:10.1088/0034-4885/57/6/002 · Cited by 892
Self-citationSize-dependent melting point depression of nanostructures: Nanocalorimetric measurements
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) · Physical Review B · doi:10.1103/physrevb.62.10548 · Cited by 464
Chen, S., & Kimura, K. (1999) · Langmuir · doi:10.1021/la9812828 · Cited by 362
Nanoparticle shape, thermodynamics and kinetics
Marks, L. D., & Peng, L. (2016) · Journal of Physics: Condensed Matter · doi:10.1088/0953-8984/28/5/053001 · Cited by 304
Self-citationCleveland, C. L., Luedtke, W. D., & Landman, U. (1999) · Physical Review B · doi:10.1103/physrevb.60.5065 · Cited by 261
Metadata
- Authors
- Ajayan, P. M., & Marks, L. D.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1989-07-17
- Volume
- 63
- Issue
- 3
- Pages
- 279-282
- ISSN
- 0031-9007 (ISSN-L)
- OpenAlex
- W2047637494
- Cited by
- 221
- References
- 0
- FWCI
- 12.51
- Type
- journal article
- Language
- en
- Open access
- closed
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- Ajayan, P. M., & Marks, L. D. (1989). Experimental evidence for quasimelting in small particles. Physical Review Letters. https://doi.org/10.1103/physrevlett.63.279
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