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  1. H-2. ナノ生命科学研究所
  2. h-2 10.学術雑誌掲載論文
  3. 1. 査読済論文

Atomic-scale processes at the fluorite-water interface visualized by frequency modulation atomic force microscopy

https://doi.org/10.24517/00008491
https://doi.org/10.24517/00008491
8f84359b-1e78-427f-855d-9c78948e2bef
名前 / ファイル ライセンス アクション
TE-PR-FUKUMA-T-24388.pdf TE-PR-FUKUMA-T-24388.pdf (1.4 MB)
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Item type 学術雑誌論文 / Journal Article(1)
公開日 2017-10-03
タイトル
タイトル Atomic-scale processes at the fluorite-water interface visualized by frequency modulation atomic force microscopy
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ journal article
ID登録
ID登録 10.24517/00008491
ID登録タイプ JaLC
著者 Kobayashi, Naritaka

× Kobayashi, Naritaka

WEKO 11939
e-Rad 40595998

Kobayashi, Naritaka

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Itakura, Shiro

× Itakura, Shiro

WEKO 11940

Itakura, Shiro

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Asakawa, Hitoshi

× Asakawa, Hitoshi

WEKO 80110
e-Rad 90509605

Asakawa, Hitoshi

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Fukuma, Takeshi

× Fukuma, Takeshi

WEKO 366
e-Rad 90452094
金沢大学研究者情報 90452094
研究者番号 90452094

Fukuma, Takeshi

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著者別表示 小林, 成貴

× 小林, 成貴

小林, 成貴

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淺川, 雅

× 淺川, 雅

淺川, 雅

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福間, 剛士

× 福間, 剛士

福間, 剛士

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提供者所属
内容記述タイプ Other
内容記述 金沢大学ナノ生命科学研究所
書誌情報 Journal of Physical Chemistry C

巻 117, 号 46, p. 24388-24396, 発行日 2013-11-21
ISSN
収録物識別子タイプ ISSN
収録物識別子 1932-7447
NCID
収録物識別子タイプ NCID
収録物識別子 AA1217589X
DOI
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 10.1021/jp4076228
出版者
出版者 American Chemical Society
抄録
内容記述タイプ Abstract
内容記述 The crystal growth and dissolution processes of a fluorite (CaF 2) crystal have attracted much attention due to the importance in the industrial, environmental, and medical applications. While previous studies clarified nanoscale processes at the fluorite-water interface, atomic-scale origins of the processes have yet to be understood. In this study, we have investigated atomic-scale processes at the fluorite-water interface by frequency modulation atomic force microscopy (FM-AFM). We performed atomic-resolution imaging of a fluorite(111) surface in water (pH = 2 and 6.5), saturated solution (pH = 2 and 6), and supersaturated solution (pH = 6, σ = 10 and 100). Based on the results, we present three major findings. First, atomic-scale roughening of the crystal surface takes place at low pH due to the proton adsorption. Second, surface adsorbates with a subnanometer-scale height are formed on the crystal surface at high pH. They are most likely to be calcium hydroxo complexes physisorbed on the crystal surface. Finally, the formation of these complexes can be suppressed by increasing fluorite concentration owing to the increased proportion of Ca2+ and F- in the electric double layer. These findings mark an important step toward the full understanding of the physicochemical processes at the fluorite-water interface. © 2013 American Chemical Society.
著者版フラグ
出版タイプ AM
出版タイプResource http://purl.org/coar/version/c_ab4af688f83e57aa
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