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Volume 136, 2007
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Does supercooled liquid Si have a density maximum?

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Abstract

We have performed precise measurements of the density of supercooled liquid silicon (l-Si) in the temperature range of 1530–1800 K using an electromagnetic levitation (EML) technique with static magnetic fields. We also performed first-principles molecular dynamics simulation (FPMD) of supercooled l-Si. The observed density of the supercooled l-Si and the FPMD results show good agreement in the temperature range of 1530–1800 K. The structure of the supercooled l-Si also showed good agreement between the experimental measurements and FPMD simulations. Based on these results, we discuss nucleation in supercooled l-Si and also the existence of a density maximum in the supercooled l-Si, which is well known in water at 4 °C.

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Publication details

The article was received on 09 Nov 2006, accepted on 07 Feb 2007 and first published on 10 May 2007


Article type: Paper
DOI: 10.1039/B616394G
Citation: Faraday Discuss., 2007,136, 279-286
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    Does supercooled liquid Si have a density maximum?

    M. Watanabe, M. Adachi, T. Morishita, K. Higuchi, H. Kobatake and H. Fukuyama, Faraday Discuss., 2007, 136, 279
    DOI: 10.1039/B616394G

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