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Equation of state of liquid bismuth and its melting curve from ultrasonic investigation at high pressure
Chang Su;  Yonggang Liu;  Zhigang Wang;  Wei Song;  Paul.D.Asimowc;  Hongfeng Tang;  Hongsen Xie
2017
Source PublicationPhysica B: Condensed Matter
Volume524Pages:154-162
Abstract

To obtain the equation of state of liquid bismuth and its melting curve, ultrasonic velocity measurements 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.

KeywordLiquid Bismuth Sound Velocity Equation Of State Melting Curve
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.gyig.ac.cn/handle/42920512-1/7835
Collection地球内部物质高温高压实验室
Affiliation1.Key Laboratory of High-temperature and High-pressure Study of the Earth's Interior, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, China
2.National Key Laboratory of Shock Wave and Detonation Physics, Institute of Fluid Physics, Chinese Academy of Engineering Physics, Mianyang 621900, China
3.Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena 91125, USA
First Author Affilication中国科学院地球化学研究所
Corresponding Author Affilication中国科学院地球化学研究所
Recommended Citation
GB/T 7714
Chang Su;Yonggang Liu;Zhigang Wang;Wei Song;Paul.D.Asimowc;Hongfeng Tang;Hongsen Xie. Equation of state of liquid bismuth and its melting curve from ultrasonic investigation at high pressure[J]. Physica B: Condensed Matter,2017,524:154-162.
APA Chang Su;Yonggang Liu;Zhigang Wang;Wei Song;Paul.D.Asimowc;Hongfeng Tang;Hongsen Xie.(2017).Equation of state of liquid bismuth and its melting curve from ultrasonic investigation at high pressure.Physica B: Condensed Matter,524,154-162.
MLA Chang Su;Yonggang Liu;Zhigang Wang;Wei Song;Paul.D.Asimowc;Hongfeng Tang;Hongsen Xie."Equation of state of liquid bismuth and its melting curve from ultrasonic investigation at high pressure".Physica B: Condensed Matter 524(2017):154-162.
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