Surface Geometric Structures of Perovskite SrTiO<sub>3</sub>(001): Microfaceting TiO<sub>2</sub> Termination with Sr Adatom Model

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  • ペロブスカイトSrTiO<sub>3</sub>(001)表面構造の研究：マイクロファセット化したTiO<sub>2</sub>終端面へのSr吸着モデル
  • ペロブスカイトSrTiO₃(001)表面構造の研究 : マイクロファセット化したTiO₂終端面へのSr吸着モデル
  • ペロブスカイト SrTiO ₃(001)ヒョウメン コウゾウ ノ ケンキュウ : マイクロファセットカ シタ TiO ₂ シュウ タンメン エ ノ Sr キュウチャク モデル
  • Surface Geometric Structures of Perovskite SrTiO3(001): Microfaceting TiO2 Termination with Sr Adatom Model

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Surface structures of SrTiO3(001) have been studied by using scanning probe microscopy (SPM) and density functional theory (DFT) calculations. We observed several defective surface structures with true atomic resolution. It is found that all the defects are terminated by (001), (100) and (010) microfacets of TiO2 plane. We propose microfaceting TiO2 termination with Sr adatom models. The formation of the various types of defects is driven by the changes of the surface stoichiometry depending on surface preparations.

Journal

  • Hyomen Kagaku

    Hyomen Kagaku 33 (7), 388-393, 2012

    The Surface Science Society of Japan

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