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What technique uses an atomic force microscope (AFM) tip to create patterns on various substances with different inks?
- a)AFM Imaging
- b)Dip Pen Nanolithography (DPN)
- c)Molecular Beam Epitaxy
- d)Nano Composite Formation
Correct answer is option 'B'. Can you explain this answer?
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What technique uses an atomic force microscope (AFM) tip to create pat...
Dip Pen Nanolithography (DPN):
Dip Pen Nanolithography (DPN) is a technique that uses an atomic force microscope (AFM) tip to create patterns on various substances with different inks. Here's how it works:
Principle:
- DPN works on the principle of transferring molecules from the tip of an AFM to a surface, creating nano-scale patterns.
Process:
- The AFM tip is coated with a specific ink or molecule.
- The tip is brought into contact with the surface to be patterned, transferring the ink onto the surface.
- By precisely controlling the movement of the AFM tip, intricate patterns can be created on the surface.
Applications:
- DPN is used in nanotechnology for creating nanostructures, biosensors, and electronic devices.
- It allows researchers to study the behavior of molecules at the nanoscale and fabricate custom patterns with high precision.
Advantages:
- DPN offers high resolution and precision in patterning surfaces at the nanoscale.
- It is a versatile technique that can be used on a variety of substrates and inks.
In conclusion, Dip Pen Nanolithography (DPN) is a powerful technique that leverages the capabilities of an AFM to create nano-scale patterns with different inks. Its applications in nanotechnology and materials science make it a valuable tool for researchers and engineers working in the field of nanofabrication.
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What technique uses an atomic force microscope (AFM) tip to create pat...
Dip Pen Nanolithography (DPN) is a scanning probe lithography technique that uses an AFM tip as a "pen" to create patterns on substances with various inks, as described in the text.
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What technique uses an atomic force microscope (AFM) tip to create patterns on various substances with different inks?a)AFM Imagingb)Dip Pen Nanolithography (DPN)c)Molecular Beam Epitaxyd)Nano Composite FormationCorrect answer is option 'B'. Can you explain this answer?
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