Abstract
Molecular dynamics simulations have been used to investigate the dynamics and redistribution of energy during the impact of a nanocrystal with adsorbed liquid films. Although impact of a 32-molecule NaCl cluster on a solid surface at 3 kilometers per second leads to melting, disordering, fragmentation, and rebounding, the same size cluster colliding with a liquid neon film transfers its energy efficiently to the liquid for a controlled soft landing. Impact on a higher density film (argon) leads to rapid attenuation of the cluster velocity, accompanied by fast heating. Subsequent disordering, melting, and fast cooling by evaporation of argon quench the cluster to a glassy state. These results suggest a method for the controlled growth of nanophase materials.
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Dates
Type | When |
---|---|
Created | 18 years, 10 months ago (Oct. 5, 2006, 7:05 p.m.) |
Deposited | 1 year, 7 months ago (Jan. 12, 2024, 5:20 p.m.) |
Indexed | 1 year ago (Aug. 7, 2024, 8:36 a.m.) |
Issued | 32 years, 2 months ago (May 28, 1993) |
Published | 32 years, 2 months ago (May 28, 1993) |
Published Print | 32 years, 2 months ago (May 28, 1993) |
@article{Cheng_1993, title={Controlled Deposition, Soft Landing, and Glass Formation in Nanocluster-Surface Collisions}, volume={260}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.260.5112.1304}, DOI={10.1126/science.260.5112.1304}, number={5112}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Cheng, Hai-Ping and Landman, Uzi}, year={1993}, month=may, pages={1304–1307} }