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Room-temperature ductile inorganic semiconductor

Nature materials, 2018-05, Vol.17 (5), p.421-426 [Peer Reviewed Journal]

Copyright Nature Publishing Group May 2018 ;ISSN: 1476-1122 ;EISSN: 1476-4660 ;DOI: 10.1038/s41563-018-0047-z ;PMID: 29632407

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  • Title:
    Room-temperature ductile inorganic semiconductor
  • Author: Shi, Xun ; Chen, Hongyi ; Hao, Feng ; Liu, Ruiheng ; Wang, Tuo ; Qiu, Pengfei ; Burkhardt, Ulrich ; Grin, Yuri ; Chen, Lidong
  • Subjects: Atomic interactions ; Atomic structure ; Bonding strength ; Chemical bonds ; Crystal structure ; Ductility ; Electronic devices ; Insulators ; Plastic deformation ; Room temperature ; Silver
  • Is Part Of: Nature materials, 2018-05, Vol.17 (5), p.421-426
  • Description: Ductility is common in metals and metal-based alloys, but is rarely observed in inorganic semiconductors and ceramic insulators. In particular, room-temperature ductile inorganic semiconductors were not known until now. Here, we report an inorganic α-Ag S semiconductor that exhibits extraordinary metal-like ductility with high plastic deformation strains at room temperature. Analysis of the chemical bonding reveals systems of planes with relatively weak atomic interactions in the crystal structure. In combination with irregularly distributed silver-silver and sulfur-silver bonds due to the silver diffusion, they suppress the cleavage of the material, and thus result in unprecedented ductility. This work opens up the possibility of searching for ductile inorganic semiconductors/ceramics for flexible electronic devices.
  • Publisher: England: Nature Publishing Group
  • Language: English
  • Identifier: ISSN: 1476-1122
    EISSN: 1476-4660
    DOI: 10.1038/s41563-018-0047-z
    PMID: 29632407
  • Source: AUTh Library subscriptions: ProQuest Central
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