Atomic resolution imaging of grain boundary defects in monolayer chemical vapor deposition-grown hexagonal boron nitride.

نویسندگان

  • Ashley L Gibb
  • Nasim Alem
  • Jian-Hao Chen
  • Kristopher J Erickson
  • Jim Ciston
  • Abhay Gautam
  • Martin Linck
  • Alex Zettl
چکیده

Grain boundaries are observed and characterized in chemical vapor deposition-grown sheets of hexagonal boron nitride (h-BN) via ultra-high-resolution transmission electron microscopy at elevated temperature. Five- and seven-fold defects are readily observed along the grain boundary. Dynamics of strained regions and grain boundary defects are resolved. The defect structures and the resulting out-of-plane warping are consistent with recent theoretical model predictions for grain boundaries in h-BN.

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عنوان ژورنال:
  • Journal of the American Chemical Society

دوره 135 18  شماره 

صفحات  -

تاریخ انتشار 2013