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  • Shang, YuchenState Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun, China (författare)

Enhancement of short/medium-range order and thermal conductivity in ultrahard sp3 amorphous carbon by C70 precursor

  • Artikel/kapitelEngelska2023

Förlag, utgivningsår, omfång ...

  • Springer Nature,2023
  • electronicrdacarrier

Nummerbeteckningar

  • LIBRIS-ID:oai:DiVA.org:umu-218138
  • https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-218138URI
  • https://doi.org/10.1038/s41467-023-42195-5DOI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

Ingår i deldatabas

Klassifikation

  • Ämneskategori:ref swepub-contenttype
  • Ämneskategori:art swepub-publicationtype

Anmärkningar

  • As an advanced amorphous material, sp3 amorphous carbon exhibits exceptional mechanical, thermal and optical properties, but it cannot be synthesized by using traditional processes such as fast cooling liquid carbon and an efficient strategy to tune its structure and properties is thus lacking. Here we show that the structures and physical properties of sp3 amorphous carbon can be modified by changing the concentration of carbon pentagons and hexagons in the fullerene precursor from the topological transition point of view. A highly transparent, nearly pure sp3−hybridized bulk amorphous carbon, which inherits more hexagonal-diamond structural feature, was synthesized from C70 at high pressure and high temperature. This amorphous carbon shows more hexagonal-diamond-like clusters, stronger short/medium-range structural order, and significantly enhanced thermal conductivity (36.3 ± 2.2 W m−1 K−1) and higher hardness (109.8 ± 5.6 GPa) compared to that synthesized from C60. Our work thus provides a valid strategy to modify the microstructure of amorphous solids for desirable properties.

Ämnesord och genrebeteckningar

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Yao, MingguangState Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun, China (författare)
  • Liu, ZhaodongState Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun, China; Synergetic Extreme Condition User Facility, Jilin University, Changchun, China (författare)
  • Fu, RongSchool of Materials Science and Engineering, State Key Laboratory of Advanced Special Steel, Shanghai University, Shanghai, China; School of Mathematical and Physical Sciences, University of Technology Sydney, NSW, Australia (författare)
  • Yan, LongbiaoShanghai Synchrotron Radiation Facility, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, China (författare)
  • Yang, LongSchool of Materials Science and Engineering, Tongji University, Shanghai, China (författare)
  • Zhang, ZhongyinSchool of Energy and Power Engineering, Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Dalian University of Technology, Dalian, China (författare)
  • Dong, JiajunState Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun, China (författare)
  • Zhai, ChunguangState Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun, China (författare)
  • Hou, XuyuanState Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun, China (författare)
  • Fei, LitingShanghai Synchrotron Radiation Facility, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, China (författare)
  • Zhang, GuanJieShanghai Synchrotron Radiation Facility, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, China (författare)
  • Ji, JianfengShanghai Synchrotron Radiation Facility, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, China (författare)
  • Zhu, JieSchool of Energy and Power Engineering, Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Dalian University of Technology, Dalian, China (författare)
  • Lin, HeShanghai Synchrotron Radiation Facility, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, China (författare)
  • Sundqvist, BertilUmeå universitet,Institutionen för fysik(Swepub:umu)besu0001 (författare)
  • Liu, BingbingState Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun, China; Synergetic Extreme Condition User Facility, Jilin University, Changchun, China (författare)
  • State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun, ChinaState Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun, China; Synergetic Extreme Condition User Facility, Jilin University, Changchun, China (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:Nature Communications: Springer Nature14:12041-1723

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