Assembly of Complex Nano-Structure from Single Atoms-Chemical Identification, Manipulation and Assembly by AFM-
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- MORITA Seizo
- Department of Electrical, Electronic and Information Engineering, Osaka University
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- SUGIMOTO Yoshiaki
- Department of Electrical, Electronic and Information Engineering, Osaka University
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- OOYABU Noriaki
- Department of Electrical, Electronic and Information Engineering, Osaka University
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- CUSTANCE Óscar
- Department of Electrical, Electronic and Information Engineering, Osaka University
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- ABE Masayuki
- Department of Electrical, Electronic and Information Engineering, Osaka University
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- POU Pablo
- Departamento de Fısica Teŕica de la Materia Condensada, Universidad Autonoma de Madrid
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- JELINEK Pavel
- Institute of Physics, Academy of Sciences of the Czech Republic
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- PÉREZ Rubén
- Departamento de Fısica Teŕica de la Materia Condensada, Universidad Autonoma de Madrid
Bibliographic Information
- Other Title
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- 複素ナノ構造体を組み立てる―原子間力顕微鏡で原子を識別・操作・組立―
- フクソ ナノ コウゾウタイ オ クミタテル ゲンシカンリョク ケンビキョウ デ ゲンシ オ シキベツ ソウサ クミタテ
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Abstract
An atomic force microscope (AFM) under noncontact and nearcontact regions operated at room-temperature (RT) in ultrahigh vacuum, is used as a tool for topography-based atomic discrimination and atomic-interchange manipulations of two intermixed atomic species on semiconductor surfaces. Noncontact AFM topography based site-specific force curves provide the chemical covalent bonding forces between the tip apex and the atoms at the surface. Here, we introduced an example related to topography-based atomic discrimination using selected Sn and Si adatoms in Sn/Si(111)-(√3 ×√3 ) surface. Recently, under nearcontact region, we found a lateral atom-interchange manipulation phenomenon at RT in Sn/Ge(111)-c(2×8) intermixed sample. This phenomenon can interchange an embedded Sn atom with a neighbor Ge atom at RT. Using the vector scan method under nearcontact region, we constructed “Atom Inlay”, that is, atom letters “Sn” consisted of 19 Sn atoms embedded in Ge(111)-c(2×8) substrate. Using these methods, now we can assemble compound semiconductor nanostructures atom-by-atom.<br>
Journal
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- Shinku
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Shinku 50 (3), 181-183, 2007
The Vacuum Society of Japan
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Keywords
Details 詳細情報について
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- CRID
- 1390282679041798912
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- NII Article ID
- 10019928168
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- NII Book ID
- AN00119871
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- ISSN
- 18809413
- 05598516
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- NDL BIB ID
- 8786593
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- Abstract License Flag
- Disallowed