<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Experimental structural data for liquid Bi were used for estimation of the main structure parameters as well as the thermal expansion coefficient both in supercooled and superheated temperature ranges. It was shown that the equilibrium melt had a positive thermal expansion coefficient within a temperature range upon melting and a negative one at higher temperatures. The former was related to structure changes upon melting, whereas the latter with topologic disordering upon further heating. It was found that the superheated melt had a negative thermal expansion coefficient. The results obtained from structural data were compared with the thermal expansion coefficient calculated from the data of density for liquid Bi.</p></abstract>

Experimental structural data for liquid Bi were used for estimation of the main structure parameters as well as the thermal expansion coefficient both in supercooled and superheated temperature ranges. It was shown that the equilibrium melt had a positive thermal expansion coefficient within a temperature range upon melting and a negative one at higher temperatures. The former was related to structure changes upon melting, whereas the latter with topologic disordering upon further heating. It was found that the superheated melt had a negative thermal expansion coefficient. The results obtained from structural data were compared with the thermal expansion coefficient calculated from the data of density for liquid Bi.

Structure and thermal expansion of liquid bismuth

Department of Solid State Physics, Faculty of Applied Physics and Mathematics

Materials Science-Poland

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Structure and thermal expansion of liquid bismuth"}

Experimental structural data for liquid Bi were used for estimation of the main structure parameters as well as the thermal expansion coefficient both in...

Structure and thermal expansion of liquid bismuth

Published Online: Jan 06, 2016

Page range: 767 - 773

Received: Dec 16, 2014

Accepted: Aug 25, 2015

DOI: https://doi.org/10.1515/msp-2015-0100

Keywords
liquid metal, short range order, thermal expansion, structure transformation

© 2015 S. Mudry et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Structure and thermal expansion of liquid bismuth

Published Online: Jan 06, 2016

Page range: 767 - 773

Received: Dec 16, 2014

Accepted: Aug 25, 2015

DOI: https://doi.org/10.1515/msp-2015-0100

Keywordsliquid metal, short range order, thermal expansion, structure transformation

© 2015 S. Mudry et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
liquid metal, short range order, thermal expansion, structure transformation