Quantitative analysis of a high-resolution electron microscope image of WO3 block structure with a residual index

H. Kosugi, D. Shindo, K. Hiraga, J. I. Kudoh

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

A high-resolution electron microscope image of W8Ta2O29 was observed with an imaging plate and the intensity distribution of the image was compared with simulated images. A residual index between the intensity of the observed image and that of calculated images was evaluated for 109 sampling points in the unit cell of the WO3 block structure. The residual index 0.0401 was obtained by changing the parameters such as crystal thickness and defocus value. Furthermore, the residual index 0.0304 was obtained by averaging the image to remove the noises such as the quantum noises and taking into account the inclination of the incident electron beam. Accuracy and limitation of structure analysis by quantitative high-resolution electron microscopy are briefly discussed.

Original languageEnglish
Pages (from-to)473-476
Number of pages4
JournalJournal of Electron Microscopy
Volume46
Issue number6
DOIs
Publication statusPublished - 1997

Keywords

  • Block structure
  • High-resolution electron microscopy
  • Image simulation
  • Imaging plate
  • Quantitative analysis
  • Residual index

ASJC Scopus subject areas

  • Instrumentation

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