中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Synthesis of crystalline graphite from disordered graphite by acoustic shock waves: Hot-spot nucleation approach

文献类型:期刊论文

作者Sivakumar Aswathappa; Lidong Dai; S Sahaya Jude Dhas; Eniya Palaniyasan; Raju Suresh Kumar; Abdulrahman I. Almansour
刊名Applied Surface Science
出版日期2024
卷号655页码:159632
DOI10.1016/j.apsusc.2024.159632
英文摘要

The existence of the long-range order under extreme conditions is a highly unusual structural concept that remains one of the top-class fundamental questions for every high-pressure researcher to resolve. In the present study, it is probably the first time that we report the acoustical shock wave-induced conversion from disordered graphite (ID/IG- 0.709) to highly-ordered graphite (ID/IG- 0.251) at the 750-shocked condition and the obtained long-range ordering is comprehensively examined by a few representative microscopic observations which include the Raman spectroscopy, photoelectric X-ray spectrometry and transmission electronic microscopy. Furthermore, the shock wave-induced hot-spot nucleation mechanism for the graphitization is put forward in combination with the outcome of the obtained magnetic, electrical and thermal experimental data. All of these acquired results clearly demonstrate that by using the acoustical shock waves, it is possible to provide one distinctive insight into deeply disclosing the large-scale synthesis of crystalline graphite, which has the potential to be utilized extensively in future commercial applications.

 

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专题地球化学研究所_地球内部物质高温高压实验室
作者单位1.Key Laboratory of High-temperature and High-Pressure Study of the Earth’s Interior, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, Guizhou 550081, China
2.Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, Tamil Nadu 602105, India
3.Shock Wave Research Laboratory, Department of Physics, Abdul Kalam Research Center, Sacred Heart College, Tirupattur, Tamil Nadu 635 601, India
4.Department of Physics, Periyar University, Salem 636011, Tamil Nadu, India
5.Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
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Sivakumar Aswathappa,Lidong Dai,S Sahaya Jude Dhas,et al. Synthesis of crystalline graphite from disordered graphite by acoustic shock waves: Hot-spot nucleation approach[J]. Applied Surface Science,2024,655:159632.
APA Sivakumar Aswathappa,Lidong Dai,S Sahaya Jude Dhas,Eniya Palaniyasan,Raju Suresh Kumar,&Abdulrahman I. Almansour.(2024).Synthesis of crystalline graphite from disordered graphite by acoustic shock waves: Hot-spot nucleation approach.Applied Surface Science,655,159632.
MLA Sivakumar Aswathappa,et al."Synthesis of crystalline graphite from disordered graphite by acoustic shock waves: Hot-spot nucleation approach".Applied Surface Science 655(2024):159632.

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来源:地球化学研究所

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