Nanostructure with diffuse streaks in ScRh3B0.6 compound studied by electron microscopy

K. Yubuta, A. Nomura, K. Kouzu, T. Yamasaki, S. Okada, T. Mori, A. Yoshikawa, K. Sugiyama, T. Shishido

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1 Citation (Scopus)


We have investigated a characteristic nanostructure with sharp diffuse streaks in a Cu3Au/anti-perovskite-type ScRh3B0.6 compound by electron diffraction, and phase- and Z-contrast high-resolution electron microscopy. The electron diffraction patterns reveal diffuse streaks running along <111>* directions and [Formula presented][Formula presented][Formula presented]–type superlattice reflections. The maxima of the streaks can be expressed as a modulation vector q (= α·(af* + bf* + cf*), α = 0.384). The observed HRTEM image taken along the [011] direction with the diffuse streaks indicates a planar domain structure on {111} planes. The superlattice is due to boron/vacancy orderings with planar nanodomains. The diffuse streaks in reciprocal space correspond to well-ordered domains with disturbed periodicity along the <111> directions.

Original languageEnglish
Article number106177
JournalSolid State Sciences
Publication statusPublished - Apr 2020
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics


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