ボウル・インバーションとゴールド上のバッキーボウルの電子スイッチング
Shintaro Fujii1, Maxim Ziatdinov1, Shuhei Higashibayashi2
1Department of Chemistry, Graduate School of Science, Tokyo Institute of Technology , 2-12-1 W4-10 Ookayama, Meguro-ku, Tokyo 152-8511, Japan.
Journal of the American Chemical Society
|August 25, 2016
まとめ
研究者はバッキーボウルや 柔軟なナノ炭素とその表面の振る舞いを調べました 発見しました.
科学分野:
- ナノカーボン材料科学
- 表面化学
- 分子電子
背景:
- 鉢状のπ結合化合物,またはバッキーボウルは,新種のsp(2) -ハイブリッド化されたナノカーボン材料です.
- 炭素ナノチューブやフルレーンとは異なり,バッキーボウルは溶液のボウル対ボウル逆転を含む構造的な柔軟性を示しています.
- バッキーボウルの表面吸着は,ボウルアップとボウルダウン状態の間のビスタブルスイッチングにより,メカノエレクトロニック特性を研究するためのモデルシステムを提供します.
研究 の 目的:
- Au ((111) 上のスマネン・バッキーボールの付層構造を調査する.
- 表面上のスマネンの独特のボウル反転の振る舞いを明らかにします.
- 表面に吸収されたナノカーボン材料の 機械電子性質を理解する.
主な方法:
- スキャントンネル顕微鏡 (STM) 測定
- アブ・イニシオ 原子シミュレーション
- STMチップを使用して分子表面相互作用の制御された操作.
主要な成果:
- シュマネンの追加層構造をAu ((111) で特定した.
- STMの先端の接近がボウル逆転を誘導することを示した.
- 観測されたビスタブル・スイッチングは,著しく加速した速度 (ストキャスティック・インバーションより2倍の速さ) であった.
結論:
- スマネン・バッキーボウルは 独特の表面ボウルの逆転行動を示す.
- STMの先端操作は,この逆転を誘導し,研究するための制御された方法を提供します.
- このシステムは,ナノカーボン材料の機械電子特性を理解し制御するためのモデルとして機能します.
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