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Measurement of transient Raman spectrum on gas-gun loading platform and its application in liquid silane |
| Yi-Gao Wang(汪贻高)1,2, Fu-Sheng Liu(刘福生)1,2, Qi-Jun Liu(刘其军)1,2, Wen-Peng Wang(王文鹏)1,2, Ming-Jian Zhang(张明建)1,2, Feng Xi(习锋)3, Ling-Cang Cai(蔡灵仓)3, Ning-Chao Zhang(张宁超)4 |
1. Key Laboratory of Advanced Technologies of Materials, Ministry of Education of China, School of Physical Science and Technology, Southwest Jiaotong University, Chengdu 610031, China;
2. Sichuan Provincial Key Laboratory(for Universities) of High Pressure Science and Technology, Southwest Jiaotong University, Chengdu 610031, China;
3. Institute of Fluid Physics, China Academy of Engineering Physics, Mianyang 621900, China;
4. College of Electronics and Information Engineering, Xi'an Technological University, Xi'an 710032, China |
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Abstract Combining a low temperature liquidizing system with a transient Raman spectroscopy, a new experimental technique is established for the first time on a two-stage light-gas gun, and it is employed to study shock-compressed fluid silane. With this experimental technique, we first obtain a Raman peak shift relating to the Si-H stretching vibration mode of molecular liquid silane under shock loading conditions. The Raman peak of 2184 cm-1 at an initial state of 0 GPa and 85 K moves to 2223.4 cm-1 at a shocked state of 10.5 GPa and 950 K, and its full width of half maximum broadens from 33 cm-1 to 118 cm-1. The shocked temperature, calculated by the thermodynamic equation of state, is well consistent with that estimated by the Doppler broadening function.
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Received: 05 April 2017
Revised: 27 June 2017
Accepted manuscript online:
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PACS:
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33.20.Fb
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(Raman and Rayleigh spectra (including optical scattering) ?)
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47.40.Nm
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(Shock wave interactions and shock effects)
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64.70.qd
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(Thermodynamics and statistical mechanics)
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62.50.Ef
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(Shock wave effects in solids and liquids)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 11574254 and 11272296), the National Basic Research Program of China (Grant No. 2011CB808201), the Fundamental Research Fund for the Central Universities, China (Grant No. 2682014ZT31), the Scientific Research Plan Projects of Shannxi Provincial Education Department, China (Grant No. 16JK1361), and the Scientific and Technological Research Program of Chongqing Municipal Education Commission, China (Grant No. KJ1600520). |
Corresponding Authors:
Fu-Sheng Liu
E-mail: fusheng_l@163.com
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Cite this article:
Yi-Gao Wang(汪贻高), Fu-Sheng Liu(刘福生), Qi-Jun Liu(刘其军), Wen-Peng Wang(王文鹏), Ming-Jian Zhang(张明建), Feng Xi(习锋), Ling-Cang Cai(蔡灵仓), Ning-Chao Zhang(张宁超) Measurement of transient Raman spectrum on gas-gun loading platform and its application in liquid silane 2017 Chin. Phys. B 26 103301
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