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Equation of state of liquid bismuth and its melting curve from ultrasonic investigation at high pressure

Su, Chang and Liu, Yonggang and Wang, Zhigang and Song, Wei and Asimow, Paul D. and Tang, Hongfeng and Xie, Hongsen (2017) Equation of state of liquid bismuth and its melting curve from ultrasonic investigation at high pressure. Physica B, 524 . pp. 154-162. ISSN 0921-4526. https://resolver.caltech.edu/CaltechAUTHORS:20170825-160130142

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Abstract

To obtain the equation of state of liquid bismuth and its melting curve, ultrasonic velocity meapelisurements were performed in a multi-anvil apparatus. Using a series of thermodynamic relationships, we extract the volume of liquid bismuth as functions of pressure and temperature up to 973 K and 4.3 GPa. We also introduce a calculation process to build the thermal equations of state of each phase of solid bismuth based on their phase transition boundaries. Combining the thermodynamic parameters of liquid and solid bismuth, we employ the Gibbs equation and the Clausius-Clapeyron equation and finally derive the melting curve up to 8 GPa, which shows excellent consistency with most previous theoretical and experimental results. These results not only demonstrate the accuracy of our experimental and theoretical methods, but also demonstrate the feasibility of the thermodynamic method for obtaining unknown melting curves.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1016/j.physb.2017.08.049DOIArticle
http://www.sciencedirect.com/science/article/pii/S0921452617305343PublisherArticle
https://doi.org/10.1016/j.physb.2018.01.001DOICorrigendum
https://www.sciencedirect.com/science/article/pii/S0921452618300024ErrataCorrigendum
ORCID:
AuthorORCID
Asimow, Paul D.0000-0001-6025-8925
Additional Information:© 2017 Elsevier B.V. Received 16 June 2017, Revised 12 August 2017, Accepted 18 August 2017, Available online 19 August 2017.
Subject Keywords:Liquid bismuth; sound velocity; equation of state; melting curve
Record Number:CaltechAUTHORS:20170825-160130142
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20170825-160130142
Official Citation:Chang Su, Yonggang Liu, Zhigang Wang, Wei Song, Paul.D. Asimow, Hongfeng Tang, Hongsen Xie, Equation of state of liquid bismuth and its melting curve from ultrasonic investigation at high pressure, In Physica B: Condensed Matter, Volume 524, 2017, Pages 154-162, ISSN 0921-4526, https://doi.org/10.1016/j.physb.2017.08.049. (http://www.sciencedirect.com/science/article/pii/S0921452617305343)
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:80819
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:28 Aug 2017 19:25
Last Modified:03 Oct 2019 18:35

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