Strain Sensor of Carbon Nanotubes in Microscale: From Model to Metrology

Table 1

Strain-sensing properties of CNT films prepared by different methods.

CNT films	𝜕ΔΩ^(0)/𝜕𝜀𝑈	𝜕ΔΩ^(45)/𝜕𝜀𝑈	𝜕ΔΩ^(90)/𝜕𝜀𝑈	ΨSensor	Range
	(cm^−1/%𝜀)	(cm^−1/%𝜀)	(cm^−1/%𝜀)	(cm^−1/𝜀)	(𝜀)
Film-I	−12.3	−7.1	2.5	−1600	1.0%
Film-II	−15.1	−10.3	2.3	−1945	0.4%