Detection Mechanism of S–O Tilt Directions on CaSO<sub>4</sub>(100) by Frictional Force Microscopy
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- Shindo Hitoshi
- The Institute of Science and Engineering, Chuo University, Kasuga, Bunkyo-ku, Tokyo 112-8551, Japan
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- Shitagami Kozo
- Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, Kasuga, Bunkyo-ku, Tokyo 112-8551, Japan
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- Sugai Takashi
- Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, Kasuga, Bunkyo-ku, Tokyo 112-8551, Japan
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- Kondo Sei-ichi
- Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, Kasuga, Bunkyo-ku, Tokyo 112-8551, Japan
書誌事項
- タイトル別名
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- Detection Mechanism of S-O Tilt Directions on CaSO4(100) by Frictional Force Microscopy.
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抄録
Tilted S–O bonds on a CaSO4(100) surface exhibit asymmetry under frictional force microscopic observation. The detection mechanism of the directional bonds was explained as being an interaction between the probe surface and an array of tilted mass-spring systems at the sample surface. When the scan speed of the probe was changed in the range of 5–91 μm/s under 40% relative humidity, the asymmetric component of friction increased linearly with the speed, while the total friction signal remained constant at speeds higher than 25 μm/s. A higher scan speed is more suitable for the detection of the tilted bonds. At lower scan speeds, the total friction signal decreased in intensity and the asymmetry signal became unstable. This is due to the condensation of water beneath the tip. A similar experiment under 60–65% relative humidity yielded much smaller signals for both the total friction and the asymmetry component.
収録刊行物
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- Japanese Journal of Applied Physics
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Japanese Journal of Applied Physics 39 (7B), 4501-4503, 2000
The Japan Society of Applied Physics
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詳細情報
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- CRID
- 1390001206252118784
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- NII論文ID
- 210000047581
- 110004068108
- 30021836194
- 130004527617
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- NII書誌ID
- AA10457675
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- ISSN
- 13474065
- 00214922
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- NDL書誌ID
- 5430434
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可