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Synthesis of Ultra-incompressible spa-Hybridized Carbon Nitride with 1:1 Stoichiometry

文献类型：期刊论文

作者Stavrou, Elissaios1,2; Lobanov, Sergey1,3; Dong, Huafeng4; Oganov, Artem R.4,5,6,7; Prakapenka, Vitali B.8; Konopkova, Zuzana9; Goncharov, Alexander F.1,2,10,11,12
刊名CHEMISTRY OF MATERIALS
出版日期2016-10-11
卷号28期号:19页码:6925-6933
DOI10.1021/acs.chemmater.6b02593
文献子类Article
英文摘要The search of compounds with CxNy composition holds great promise for creating materials which would rival diamond in hardness due to the very strong covalent C-N bond. Early theoretical and experimental works on CxNy compounds were based on the hypothetical structural similarity of predicted C3N4 phases with known binary A(3)B(4) structural types; however, the synthesis of C3N4 other than g-C3N4 remains elusive. Here, we explore an elemental synthesis at high pressures and temperatures in which the compositional limitations due to the use of precursors in the early works are substantially lifted. Using in situ synchrotron X-ray diffraction and Raman spectroscopy, we demonstrate the synthesis of a highly incompressible Pnnm CN compound (x = y = 1) with sp(3)-hybridized carbon above 55 GPa and 7000 K. This result is supported by first-principles evolutionary search, which finds that CN is the most stable compound above 14 GPa. On pressure release below 6 GPa, the synthesized CN compound amorphizes, maintaining its 1:1 stoichiometry as confirmed by energy-dispersive X-ray spectroscopy. This work underscores the importance of understanding the novel high-pressure chemistry laws that promote extended 3D C-N structures, never observed at ambient conditions. Moreover, it opens a new route for synthesis of superhard materials based on novel stoichiometries
WOS关键词SHOCK COMPRESSION ; CRYSTAL-STRUCTURE ; HIGH-PRESSURES ; PHASE-DIAGRAM ; DIAMOND ; C3N4 ; TEMPERATURES ; PREDICTION ; SILICON ; SYSTEM
WOS研究方向Chemistry ; Materials Science
语种英语
WOS记录号WOS:000385336500016
资助机构DARPA(W31P4Q1210008) ; DARPA(W31P4Q1210008) ; DARPA(W31P4Q1210008) ; DARPA(W31P4Q1210008) ; National Natural Science Foundation of China(21473211) ; National Natural Science Foundation of China(21473211) ; National Natural Science Foundation of China(21473211) ; National Natural Science Foundation of China(21473211) ; Deep Carbon Observatory DCO ; Deep Carbon Observatory DCO ; Deep Carbon Observatory DCO ; Deep Carbon Observatory DCO ; Chinese Academy of Sciences(2011T2J20) ; Chinese Academy of Sciences(2011T2J20) ; Chinese Academy of Sciences(2011T2J20) ; Chinese Academy of Sciences(2011T2J20) ; Recruitment Program of Foreign Experts ; Recruitment Program of Foreign Experts ; Recruitment Program of Foreign Experts ; Recruitment Program of Foreign Experts ; Ministry of Education and Science of Russian Federation(14.B25.31.0032) ; Ministry of Education and Science of Russian Federation(14.B25.31.0032) ; Ministry of Education and Science of Russian Federation(14.B25.31.0032) ; Ministry of Education and Science of Russian Federation(14.B25.31.0032) ; U.S. Department of Energy by Lawrence Livermore National Security, LLC(DE-AC-52-07NA27344) ; U.S. Department of Energy by Lawrence Livermore National Security, LLC(DE-AC-52-07NA27344) ; U.S. Department of Energy by Lawrence Livermore National Security, LLC(DE-AC-52-07NA27344) ; U.S. Department of Energy by Lawrence Livermore National Security, LLC(DE-AC-52-07NA27344) ; U.S. NSF(EAR-0622171 ; U.S. NSF(EAR-0622171 ; U.S. NSF(EAR-0622171 ; U.S. NSF(EAR-0622171 ; DOE Geosciences(DE-FG02-94ER14466) ; DOE Geosciences(DE-FG02-94ER14466) ; DOE Geosciences(DE-FG02-94ER14466) ; DOE Geosciences(DE-FG02-94ER14466) ; DOE-BES(DE-AC02-06CH11357) ; DOE-BES(DE-AC02-06CH11357) ; DOE-BES(DE-AC02-06CH11357) ; DOE-BES(DE-AC02-06CH11357) ; European Community(312284) ; European Community(312284) ; European Community(312284) ; European Community(312284) ; (0330-2014-0013) ; (0330-2014-0013) ; (0330-2014-0013) ; (0330-2014-0013) ; DMR-1231586) ; DMR-1231586) ; DMR-1231586) ; DMR-1231586) ; DARPA(W31P4Q1210008) ; DARPA(W31P4Q1210008) ; DARPA(W31P4Q1210008) ; DARPA(W31P4Q1210008) ; National Natural Science Foundation of China(21473211) ; National Natural Science Foundation of China(21473211) ; National Natural Science Foundation of China(21473211) ; National Natural Science Foundation of China(21473211) ; Deep Carbon Observatory DCO ; Deep Carbon Observatory DCO ; Deep Carbon Observatory DCO ; Deep Carbon Observatory DCO ; Chinese Academy of Sciences(2011T2J20) ; Chinese Academy of Sciences(2011T2J20) ; Chinese Academy of Sciences(2011T2J20) ; Chinese Academy of Sciences(2011T2J20) ; Recruitment Program of Foreign Experts ; Recruitment Program of Foreign Experts ; Recruitment Program of Foreign Experts ; Recruitment Program of Foreign Experts ; Ministry of Education and Science of Russian Federation(14.B25.31.0032) ; Ministry of Education and Science of Russian Federation(14.B25.31.0032) ; Ministry of Education and Science of Russian Federation(14.B25.31.0032) ; Ministry of Education and Science of Russian Federation(14.B25.31.0032) ; U.S. Department of Energy by Lawrence Livermore National Security, LLC(DE-AC-52-07NA27344) ; U.S. Department of Energy by Lawrence Livermore National Security, LLC(DE-AC-52-07NA27344) ; U.S. Department of Energy by Lawrence Livermore National Security, LLC(DE-AC-52-07NA27344) ; U.S. Department of Energy by Lawrence Livermore National Security, LLC(DE-AC-52-07NA27344) ; U.S. NSF(EAR-0622171 ; U.S. NSF(EAR-0622171 ; U.S. NSF(EAR-0622171 ; U.S. NSF(EAR-0622171 ; DOE Geosciences(DE-FG02-94ER14466) ; DOE Geosciences(DE-FG02-94ER14466) ; DOE Geosciences(DE-FG02-94ER14466) ; DOE Geosciences(DE-FG02-94ER14466) ; DOE-BES(DE-AC02-06CH11357) ; DOE-BES(DE-AC02-06CH11357) ; DOE-BES(DE-AC02-06CH11357) ; DOE-BES(DE-AC02-06CH11357) ; European Community(312284) ; European Community(312284) ; European Community(312284) ; European Community(312284) ; (0330-2014-0013) ; (0330-2014-0013) ; (0330-2014-0013) ; (0330-2014-0013) ; DMR-1231586) ; DMR-1231586) ; DMR-1231586) ; DMR-1231586)
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/30134]  
专题合肥物质科学研究院_中科院固体物理研究所
作者单位1.Carnegie Inst Sci, Geophys Lab, Washington, DC 20015 USA
2.Lawrence Livermore Natl Lab, Phys & Life Sci Directorate, POB 808,L-350, Livermore, CA 94550 USA
3.Russian Acad Sci, Siberian Branch, Sobolev Inst Geol & Mineral, 3 Pr Ac Koptyga, Novosibirsk 630090, Russia
4.SUNY Stony Brook, Inst Adv Computat Sci, Ctr Mat Design, Dept Geosci, Stony Brook, NY 11794 USA
5.Skolkovo Innovat Ctr, Skolkovo Inst Sci & Technol, 5 Nobel St, Moscow 143026, Russia
6.Moscow Inst Phys & Technol, 9 Inst Skiy Lane, Dolgoprudny City 141700, Moscow Region, Russia
7.Northwestern Polytech Univ, Sch Mat Sci, Xian 710072, Peoples R China
8.Univ Chicago, Ctr Adv Radiat Sources, Chicago, IL 60637 USA
9.DESY Photon Sci, D-22607 Hamburg, Germany
10.Univ Sci & Technol China, Hefei 230026, Peoples R China
推荐引用方式
GB/T 7714		 Stavrou, Elissaios,Lobanov, Sergey,Dong, Huafeng,et al. Synthesis of Ultra-incompressible spa-Hybridized Carbon Nitride with 1:1 Stoichiometry[J]. CHEMISTRY OF MATERIALS,2016,28(19):6925-6933.
APA Stavrou, Elissaios.,Lobanov, Sergey.,Dong, Huafeng.,Oganov, Artem R..,Prakapenka, Vitali B..,...&Goncharov, Alexander F..(2016).Synthesis of Ultra-incompressible spa-Hybridized Carbon Nitride with 1:1 Stoichiometry.CHEMISTRY OF MATERIALS,28(19),6925-6933.
MLA Stavrou, Elissaios,et al."Synthesis of Ultra-incompressible spa-Hybridized Carbon Nitride with 1:1 Stoichiometry".CHEMISTRY OF MATERIALS 28.19(2016):6925-6933.

入库方式： OAI收割

来源：合肥物质科学研究院

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