シエルピンスキー三角形の構築 第五次まで
1Key Laboratory for the Physics and Chemistry of Nanodevices, Department of Electronics, Peking University , Beijing 100871, China.
Journal of the American Chemical Society
|September 9, 2017
まとめ
研究者はより高い階層のサーピンスキー三角形を作り,表面に5階層のフラクタルを得ました. この進歩は,以前の運動成長の制限を克服し,新しいフラクタル構築戦略を可能にします.
科学分野:
- 表面科学
- 材料科学
- ナノテクノロジー
背景:
- セルピンスキーの三角形のような 自己類似のフラクタル構造は様々な科学分野において極めて重要です
- 表面上のSierpiński三角形の以前の分子構造は,運動成長の制約のために第4順位に制限されていました.
研究 の 目的:
- 完全な5次元のシエルピンスキーの三角形を表面で作る.
- フラクタル製造における 運動成長の限界を克服するために
- 高級フラクタル構造の構築のための新しい戦略を開発する.
主な方法:
- 超高真空でテンプレートと共同組み立ての組み合わせを使用しました.
- Fe原子,4,4′′-ディシアノ-1,1':3",1′′-テルフェニル,および1,3-ビス (((4-ピリジル)) ベンゼンの分子を使用しています.
- 復元されたAu ((100) - ((hex)) 表面上に構築されたフラクタル.
主要な成果:
- 側面の長さが0.05μmの欠陥のない第5次サイルピンスキー三角形を成功裏に製造した.
- 以前よりも高いフラクタル順序を達成するための新しいアプローチを示しました.
- 複雑なフラクタル幾何学の分子構築のための実行可能な方法を確立しました.
結論:
- 開発された戦略は,以前の制限を超えて,より高いレベルの Sierpiński 三角形を作成することを可能にします.
- この技術により 複雑なフラクタルナノ構造を 精密に作り出すことができます
- この方法論は,複雑さと秩序を高める様々なサーピンスキー三角形を構成するために拡張できます.
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