Physics · Nanotechnology Fundamentals
What is the defining structural size criterion for a material to be classified as a nanomaterial?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1All three spatial dimensions must be strictly equal to 100 nm
- 2The material must possess a crystal lattice constant exceeding 100 nm
- 3At least one of its external dimensions must lie in the nanoscale range of 1 to 100 nm✓
- 4The material must be composed strictly of a single atomic layer of carbon
Correct answer
At least one of its external dimensions must lie in the nanoscale range of 1 to 100 nm
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