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Electrical resistivity of fluid methane multiply shock compressed to 147 GPa.

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Title: Electrical resistivity of fluid methane multiply shock compressed to 147 GPa.
Authors: Wang, Yi-Gao1,2 (AUTHOR), Liu, Fu-Sheng1,2 (AUTHOR) fu_shengliu@126.com, Liu, Qi-Jun1,2 (AUTHOR), Wang, Wen-Peng1,2 (AUTHOR)
Source: High Pressure Research. Mar2018, Vol. 38 Issue 1, p1-11. 11p.
Subjects: Methane analysis, Electrical resistivity, Shock wave effects, Chemical decomposition, Phase transitions
Abstract: Shock wave experiments were carried out to measure the electrical resistivity of fluid methane. The pressure range of 89–147 GPa and the temperature range from 1800 to 2600 K were achieved with a two-stage light-gas gun. We obtained a minimum electrical resistivity value of 4.5 × 10−2 Ω cm at pressure and temperature of 147 GPa and 2600 K, which is two orders of magnitude higher than that of hydrogen under similar conditions. The data are interpreted in terms of a continuous transition from insulator to semiconductor state. One possibility reason is chemical decomposition of methane in the shock compression process. Along density and temperature increase with Hugoniot pressure, dissociation of fluid methane increases continuously to form a H2-rich fluid. [ABSTRACT FROM PUBLISHER]
Copyright of High Pressure Research is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Electrical resistivity of fluid methane multiply shock compressed to 147 GPa.
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  Data: <searchLink fieldCode="AR" term="%22Wang%2C+Yi-Gao%22">Wang, Yi-Gao</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Fu-Sheng%22">Liu, Fu-Sheng</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> fu_shengliu@126.com</i><br /><searchLink fieldCode="AR" term="%22Liu%2C+Qi-Jun%22">Liu, Qi-Jun</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Wen-Peng%22">Wang, Wen-Peng</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22High+Pressure+Research%22">High Pressure Research</searchLink>. Mar2018, Vol. 38 Issue 1, p1-11. 11p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Methane+analysis%22">Methane analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Electrical+resistivity%22">Electrical resistivity</searchLink><br /><searchLink fieldCode="DE" term="%22Shock+wave+effects%22">Shock wave effects</searchLink><br /><searchLink fieldCode="DE" term="%22Chemical+decomposition%22">Chemical decomposition</searchLink><br /><searchLink fieldCode="DE" term="%22Phase+transitions%22">Phase transitions</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Shock wave experiments were carried out to measure the electrical resistivity of fluid methane. The pressure range of 89–147 GPa and the temperature range from 1800 to 2600 K were achieved with a two-stage light-gas gun. We obtained a minimum electrical resistivity value of 4.5 × 10−2 Ω cm at pressure and temperature of 147 GPa and 2600 K, which is two orders of magnitude higher than that of hydrogen under similar conditions. The data are interpreted in terms of a continuous transition from insulator to semiconductor state. One possibility reason is chemical decomposition of methane in the shock compression process. Along density and temperature increase with Hugoniot pressure, dissociation of fluid methane increases continuously to form a H2-rich fluid. [ABSTRACT FROM PUBLISHER]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of High Pressure Research is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1080/08957959.2017.1399371
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      – Code: eng
        Text: English
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        PageCount: 11
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    Subjects:
      – SubjectFull: Methane analysis
        Type: general
      – SubjectFull: Electrical resistivity
        Type: general
      – SubjectFull: Shock wave effects
        Type: general
      – SubjectFull: Chemical decomposition
        Type: general
      – SubjectFull: Phase transitions
        Type: general
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      – TitleFull: Electrical resistivity of fluid methane multiply shock compressed to 147 GPa.
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            – D: 01
              M: 03
              Text: Mar2018
              Type: published
              Y: 2018
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