The term nano in the SI units means 10–9, or in other words, one billionth. It is derived from the Greek word for dwarf. Materials, structures and devices that have dimensions lying in the nano scale range are encompassed within nanosciences. Materials that have at least one dimension less than 100 nm may be considered to be nanodimensional (Fig. 1.1).
KeywordsSilicon Chip National Nanotechnology Initiative Nature Biotechnology Nanostructured Thin Film Sensor Research
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