Pc-C10: An innovative carbon allotrope with concurrent metallic conductivity and exceptional mechanical property
Carbon, renowned for its versatility in bonding and structural diversity, has long been a focal point of materials research. Despite extensive studies on carbon allotropes, a significant challenge remains: the development of carbon materials that combine both exceptional mechanical properties and el...
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| Language: | English |
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Elsevier
2025-09-01
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| Series: | Journal of Materials Research and Technology |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2238785425018654 |
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| author | Lingyu Liu Yan Zhuang Mengdong Ma Li Zhu Pan Ying Meng Hu Yueqing Li Julong He Qinyong Zhang |
| author_facet | Lingyu Liu Yan Zhuang Mengdong Ma Li Zhu Pan Ying Meng Hu Yueqing Li Julong He Qinyong Zhang |
| author_sort | Lingyu Liu |
| collection | DOAJ |
| description | Carbon, renowned for its versatility in bonding and structural diversity, has long been a focal point of materials research. Despite extensive studies on carbon allotropes, a significant challenge remains: the development of carbon materials that combine both exceptional mechanical properties and electrical conductivity. Here, we propose a novel sp2-sp3 hybridized tetragonal carbon allotrope Pc-C10 via first-principle calculations. This structure is more energetically favorable than graphite at pressures above 55 GPa, suggesting the potential for synthesis via high-pressure phase transitions. Our results show that Pc-C10 not only exhibits metallic conductivity through a quasi-one-dimensional conducting channels but also demonstrates superconductivity with a critical temperature of 0.25 K. This new carbon structure displays remarkable mechanical properties, including a hardness of 26 GPa, tensile and shear strengths over 80 GPa for outstanding resistance to deformation and fracture. In particular, a unique damage-self-repair-strengthening behavior is displayed during shear. The combination of these distinctive properties makes this novel carbon material a promising candidate for future applications in electronics, superconductivity, and structural materials technology. |
| format | Article |
| id | doaj-art-db4bed36fc3b4640bbd6de43ed97a440 |
| institution | Matheson Library |
| issn | 2238-7854 |
| language | English |
| publishDate | 2025-09-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Materials Research and Technology |
| spelling | doaj-art-db4bed36fc3b4640bbd6de43ed97a4402025-07-28T04:16:16ZengElsevierJournal of Materials Research and Technology2238-78542025-09-0138143149Pc-C10: An innovative carbon allotrope with concurrent metallic conductivity and exceptional mechanical propertyLingyu Liu0Yan Zhuang1Mengdong Ma2Li Zhu3Pan Ying4Meng Hu5Yueqing Li6Julong He7Qinyong Zhang8Key Laboratory of Materials and Surface Technology (Ministry of Education), School of Materials Science and Engineering, Xihua University, Chengdu, 610039, Sichuan, ChinaKey Laboratory of Materials and Surface Technology (Ministry of Education), School of Materials Science and Engineering, Xihua University, Chengdu, 610039, Sichuan, ChinaState Key Laboratory of Crane Technology, Yanshan University, Qinhuangdao, 066004, Hebei, China; Center for High Pressure Science, State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, Hebei, ChinaSchool of Electromechanical Engineering, Jining College, Jining, 273155, Shangdong, China; Center for High Pressure Science, State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, Hebei, China; Center for High Pressure Science, State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, Hebei, China.National Key Laboratory of Advanced Casting Technologies, MIIT Key Laboratory of Advanced Metallic and Intermetallic Materials Technology, Engineering Research Center of Materials Behavior and Design, Ministry of Education, Nanjing University of Science and Technology, Nanjing, 210094, Jiangsu, ChinaSchool of Mechanical Engineering, Jiangsu University, Zhenjiang, 212013, Jiangsu, ChinaDepartment of Mathematics and Physics, Shijiazhuang Tiedao University, Shijiazhuang 050043, Hebei, ChinaCenter for High Pressure Science, State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, Hebei, ChinaKey Laboratory of Materials and Surface Technology (Ministry of Education), School of Materials Science and Engineering, Xihua University, Chengdu, 610039, Sichuan, ChinaCarbon, renowned for its versatility in bonding and structural diversity, has long been a focal point of materials research. Despite extensive studies on carbon allotropes, a significant challenge remains: the development of carbon materials that combine both exceptional mechanical properties and electrical conductivity. Here, we propose a novel sp2-sp3 hybridized tetragonal carbon allotrope Pc-C10 via first-principle calculations. This structure is more energetically favorable than graphite at pressures above 55 GPa, suggesting the potential for synthesis via high-pressure phase transitions. Our results show that Pc-C10 not only exhibits metallic conductivity through a quasi-one-dimensional conducting channels but also demonstrates superconductivity with a critical temperature of 0.25 K. This new carbon structure displays remarkable mechanical properties, including a hardness of 26 GPa, tensile and shear strengths over 80 GPa for outstanding resistance to deformation and fracture. In particular, a unique damage-self-repair-strengthening behavior is displayed during shear. The combination of these distinctive properties makes this novel carbon material a promising candidate for future applications in electronics, superconductivity, and structural materials technology.http://www.sciencedirect.com/science/article/pii/S2238785425018654First-principle calculationsCarbon allotropeMetallicityMechanical properties |
| spellingShingle | Lingyu Liu Yan Zhuang Mengdong Ma Li Zhu Pan Ying Meng Hu Yueqing Li Julong He Qinyong Zhang Pc-C10: An innovative carbon allotrope with concurrent metallic conductivity and exceptional mechanical property Journal of Materials Research and Technology First-principle calculations Carbon allotrope Metallicity Mechanical properties |
| title | Pc-C10: An innovative carbon allotrope with concurrent metallic conductivity and exceptional mechanical property |
| title_full | Pc-C10: An innovative carbon allotrope with concurrent metallic conductivity and exceptional mechanical property |
| title_fullStr | Pc-C10: An innovative carbon allotrope with concurrent metallic conductivity and exceptional mechanical property |
| title_full_unstemmed | Pc-C10: An innovative carbon allotrope with concurrent metallic conductivity and exceptional mechanical property |
| title_short | Pc-C10: An innovative carbon allotrope with concurrent metallic conductivity and exceptional mechanical property |
| title_sort | pc c10 an innovative carbon allotrope with concurrent metallic conductivity and exceptional mechanical property |
| topic | First-principle calculations Carbon allotrope Metallicity Mechanical properties |
| url | http://www.sciencedirect.com/science/article/pii/S2238785425018654 |
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