Low-amplitude dynamic force microscopy can operate in a non-contact mode, sensing changes in liquid properties near a surface. Operation of the microscope in water at the higher amplitudes often required for stable imaging has been investigated. When driven by direct application of a force to the ti
Resonance Control for Dynamic Force Microscopy and Spectroscopy
β Scribed by A.D.L. Humphris; J. Tamayo; J. Hobbs; A. Round; R. Owen; A. Malloy; M.J. Miles
- Publisher
- John Wiley and Sons
- Year
- 2001
- Tongue
- English
- Weight
- 23 KB
- Volume
- 2
- Category
- Article
- ISSN
- 1438-5163
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Dynamic force microscopy has proved to be a powerful imaging tool. Here, the tip of an atomic force microscope is vibrated at a high frequency, typically the resonance frequency of the lever sensor, and at a large vibration amplitude, typically of the order of 10 nm. Imaging contrast is obtained fro
change can be extended to encompass 1,3-dilithiated compounds of general formula Li-CH,-E-CH,-Li (E = element of group 14-16, possibly with substituents). Experimental Procedure 2 (froin starting material 1): Bu,SnCH,I (20 mmol) was added to a suspension of Na,S.AI,O, (11 mmol) in THF (30 mL). The