Segregation of molecular overlayers with different structures on a metal surface

Hitoshi Suzuki, Hideki Miki, Shiyoshi Yokoyama, Shinro Mashiko

研究成果: ジャーナルへの寄稿会議記事査読

11 被引用数 (Scopus)

抄録

Segregation of molecular overlayers having different structures depending on the molecular structure was observed by using scanning tunneling microscope in ultra-high vacuum at 77.5 K. Two kinds of molecules, chloro[tri-tert-butyl-subphthalocyaninato]boron(III) (TBSubPc) and phenyl[tri-tert-butyl-subphthalocyaninato]boron(III) (phenyl-TBSubPc), were successively co-deposited on an Au (111) surface. Two different overlayer structures were clearly identified: a honeycomb lattice consisting of phenyl-TBSubPc molecules and a quasi-hexagonal lattice consisting of TBSubPc molecules. This behavior suggests that the molecules can interact strongly with the same molecules to form their own overlayer structure. The difference in the central part of the molecular structures affects the intermolecular interaction resulting in the segregation of molecular overlayers.

本文言語英語
ページ(範囲)97-100
ページ数4
ジャーナルThin Solid Films
438-439
DOI
出版ステータス出版済み - 8月 22 2003
外部発表はい
イベントThe 5th International Conference on Nano-Molecular Electronics - Kobe, 日本
継続期間: 12月 10 200212月 12 2002

!!!All Science Journal Classification (ASJC) codes

  • 電子材料、光学材料、および磁性材料
  • 表面および界面
  • 表面、皮膜および薄膜
  • 金属および合金
  • 材料化学

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