Glassy Distribution of Bi3+/Bi5+ in Bi1-xPbxNiO3 and Negative Thermal Expansion Induced by Intermetallic Charge Transfer

Kiho Nakano, Kengo Oka, Tetsu Watanuki, Masaichiro Mizumaki, Akihiko Machida, Akane Agui, Hyunjeong Kim, Jun Komiyama, Takashi Mizokawa, Takumi Nishikubo, Yuichiro Hattori, Shigenori Ueda, Yuki Sakai, Masaki Azuma

    Research output: Contribution to journalArticle

    8 Citations (Scopus)

    Abstract

    The valence distribution and local structure of Bi1-xPbxNiO3 (x ≤ 0.25) were investigated by comprehensive studies of Rietveld analysis of synchrotron X-ray diffraction (SXRD) data, X-ray absorption spectroscopy (XAS), hard X-ray photoemission spectroscopy (HAXPES), and pair distribution function (PDF) analysis of synchrotron X-ray total scattering data. Disproportionation of Bi ions into Bi3+ and Bi5+ was observed for all the samples, but it was a long-ranged one with distinct crystallographic sites in the P1 triclinic structure for x ≤ 0.15, while the ordering was short-ranged for x = 0.20 and 0.25. An intermetallic charge transfer between Bi5+ and Ni2+, leading to large volume shrinkage, was observed for all the samples upon heating at ∼500 K.

    Original languageEnglish
    Pages (from-to)6062-6067
    Number of pages6
    JournalChemistry of Materials
    Volume28
    Issue number17
    DOIs
    Publication statusPublished - 2016 Sep 13

    Fingerprint

    Synchrotrons
    Intermetallics
    Charge transfer
    Rietveld analysis
    X ray absorption spectroscopy
    Photoelectron spectroscopy
    X ray spectroscopy
    Distribution functions
    Scattering
    Ions
    Heating
    X ray diffraction
    X rays
    Negative thermal expansion

    ASJC Scopus subject areas

    • Chemistry(all)
    • Chemical Engineering(all)
    • Materials Chemistry

    Cite this

    Glassy Distribution of Bi3+/Bi5+ in Bi1-xPbxNiO3 and Negative Thermal Expansion Induced by Intermetallic Charge Transfer. / Nakano, Kiho; Oka, Kengo; Watanuki, Tetsu; Mizumaki, Masaichiro; Machida, Akihiko; Agui, Akane; Kim, Hyunjeong; Komiyama, Jun; Mizokawa, Takashi; Nishikubo, Takumi; Hattori, Yuichiro; Ueda, Shigenori; Sakai, Yuki; Azuma, Masaki.

    In: Chemistry of Materials, Vol. 28, No. 17, 13.09.2016, p. 6062-6067.

    Research output: Contribution to journalArticle

    Nakano, K, Oka, K, Watanuki, T, Mizumaki, M, Machida, A, Agui, A, Kim, H, Komiyama, J, Mizokawa, T, Nishikubo, T, Hattori, Y, Ueda, S, Sakai, Y & Azuma, M 2016, 'Glassy Distribution of Bi3+/Bi5+ in Bi1-xPbxNiO3 and Negative Thermal Expansion Induced by Intermetallic Charge Transfer', Chemistry of Materials, vol. 28, no. 17, pp. 6062-6067. https://doi.org/10.1021/acs.chemmater.6b01160
    Nakano, Kiho ; Oka, Kengo ; Watanuki, Tetsu ; Mizumaki, Masaichiro ; Machida, Akihiko ; Agui, Akane ; Kim, Hyunjeong ; Komiyama, Jun ; Mizokawa, Takashi ; Nishikubo, Takumi ; Hattori, Yuichiro ; Ueda, Shigenori ; Sakai, Yuki ; Azuma, Masaki. / Glassy Distribution of Bi3+/Bi5+ in Bi1-xPbxNiO3 and Negative Thermal Expansion Induced by Intermetallic Charge Transfer. In: Chemistry of Materials. 2016 ; Vol. 28, No. 17. pp. 6062-6067.
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    abstract = "The valence distribution and local structure of Bi1-xPbxNiO3 (x ≤ 0.25) were investigated by comprehensive studies of Rietveld analysis of synchrotron X-ray diffraction (SXRD) data, X-ray absorption spectroscopy (XAS), hard X-ray photoemission spectroscopy (HAXPES), and pair distribution function (PDF) analysis of synchrotron X-ray total scattering data. Disproportionation of Bi ions into Bi3+ and Bi5+ was observed for all the samples, but it was a long-ranged one with distinct crystallographic sites in the P1 triclinic structure for x ≤ 0.15, while the ordering was short-ranged for x = 0.20 and 0.25. An intermetallic charge transfer between Bi5+ and Ni2+, leading to large volume shrinkage, was observed for all the samples upon heating at ∼500 K.",
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    AU - Agui, Akane

    AU - Kim, Hyunjeong

    AU - Komiyama, Jun

    AU - Mizokawa, Takashi

    AU - Nishikubo, Takumi

    AU - Hattori, Yuichiro

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