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31 Jan 2008
Magnetic, Electrical and Optical properties
How magnetic, electrical and optical properties changes from bulk to nano material?
I want theoriatical concept base answer
pratheek g hegde
15 Aug 2008
In nano scale surface to volume ratio increases. Hence surface effects dominate which can be neglected in bulk materials.
ex- friction, stiction etc
this changes certain properties
ex- a nano film of gold looks red in colour compared to yellow in bulk size
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