Interpretation of high resolution transmission electron microscope images of short range ordered Ni4Mo

Satoshi Hata; Daisuke Shindo; Noriyuki Kuwano; Syo Matsumura; Kensuke Oki

doi:10.2320/matertrans1989.39.914

Interpretation of high resolution transmission electron microscope images of short range ordered Ni₄Mo

Satoshi Hata, Daisuke Shindo, Noriyuki Kuwano, Syo Matsumura, Kensuke Oki

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Abstract

High resolution transmission electron microscope (HRTEM) image contrast of short-range order (SRO) in Ni₄Mo alloys has been investigated by means of multi-slice simulations. The HRTEM image contrast of SRO in Ni₄Mo coincides with a projection contrast of an SRO structure which involves D1_a, D0₂₂ and Pt₂Mo-type subunit cells in a disordered matrix. Multi-slice simulations revealed that the SRO structure exhibit a projection contrast in the HRTEM image when the fundamental fcc lattice reflections contribute sufficiently to HRTEM imaging. The results indicate that the image of SRO in Ni₄Mo can be interpreted in terms of projected potential of atomic columns under an appropriate imaging condition.

Original language	English
Pages (from-to)	914-919
Number of pages	6
Journal	Materials Transactions, JIM
Volume	39
Issue number	9
DOIs	https://doi.org/10.2320/matertrans1989.39.914
Publication status	Published - Jan 1 1998

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All Science Journal Classification (ASJC) codes

Engineering(all)

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Hata, S., Shindo, D., Kuwano, N., Matsumura, S., & Oki, K. (1998). Interpretation of high resolution transmission electron microscope images of short range ordered Ni₄Mo. Materials Transactions, JIM, 39(9), 914-919. https://doi.org/10.2320/matertrans1989.39.914

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10.2320/matertrans1989.39.914