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Influence of Carbon-doped Content on Formation Conditions of Coesite |
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| Authors: | WANG De-jun LIU Xiao-mei ZHU Cheng-jun YAN Duan-ting LIU Yi-xin SUN Ying LIU Fu-lin SU Wen-hui |
| Institution: | 1. State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun 130021, P. R. China; 2. Adult Education College, Changchun University, Changchun 130022, P. R. China; 3. Center of the Condensed Matter Science and Technology, Harbin Institute of Technology, Harbin 150001, P. R. China; 4. International Center for Material Physics, Chinese Academy of Sciences, Shenyang 110015, P. R. China |
| Abstract: | The mixtures of α-quartz and graphite powder with different mass ratios were, respectively, high-energetically mechanically milled and then treated under high pressure and high temperature. The influences of carbon content on the synthesis conditions of coesite were investigated. The experimental products were characterized by XRD, TEM, and Raman spectrometry. The results show that the existence of carbon can obviously inhibit the formation of coesite, and the higher the carbon content of the initial material, the higher the pressure for forming coesite. |
| Keywords: | Coesite High pressure Mechanical ball-milling Graphite |
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