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

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

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 - Sept 1998

All Science Journal Classification (ASJC) codes

Engineering(all)

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10.2320/matertrans1989.39.914

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title = "Interpretation of high resolution transmission electron microscope images of short range ordered Ni4Mo",

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 D1a, 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.",

author = "Satoshi Hata and Daisuke Shindo and Noriyuki Kuwano and Syo Matsumura and Kensuke Oki",

year = "1998",

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doi = "10.2320/matertrans1989.39.914",

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T1 - Interpretation of high resolution transmission electron microscope images of short range ordered Ni4Mo

AU - Hata, Satoshi

AU - Shindo, Daisuke

AU - Kuwano, Noriyuki

AU - Matsumura, Syo

AU - Oki, Kensuke

PY - 1998/9

Y1 - 1998/9

N2 - 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 D1a, 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.

AB - 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 D1a, 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.

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

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