Observation of lattice fringes in convergent-beam electron diffraction patterns

Masami Terauchi, Kenji Tsuda, Osamu Kamimura, Michiyoshi Tanaka, Toshikatsu Kaneyama, Toshikazu Honda

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)


Mirror symmetry, no symmetry and glide symmetry of crystals are displayed using interference (lattice) fringes appearing in overlapping disks of convergent-beam electron diffraction (CBED) patterns. The lattice fringes with a spacing of 2.7 Å of the 200 reflection of FeS2 have been observed in coherent CBED patterns with use of a JEM2010F electron microscope equipped with a field-emission gun. Two-dimensional interference fringes are shown in three overlapping disks taken from FeS2 at [111] electron incidence. It is demonstrated that such lattice fringes can be obtained even by an LaB6 electron source when using imaging plates.

Original languageEnglish
Pages (from-to)268-275
Number of pages8
Issue number2-4
Publication statusPublished - 1994 Jun

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Instrumentation


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