Structural engineering of gold thin films with channel cracks for ultrasensitive strain sensing
Journal article published in 2016 by
Tingting Yang,
Xinming Li 
,
Xin Jiang,
Shuyuan Lin,
Junchao Lao,
Jidong Shi,
Zhen Zhen,
Zhihong Li,
Hongwei Zhu
,
Xin Jiang,
Shuyuan Lin,
Junchao Lao,
Jidong Shi,
Zhen Zhen,
Zhihong Li,
Hongwei Zhu
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Abstract
A strain sensing structure with high gauge factors (GFs) is designed by engineering channel cracks in a gold thin film. The developed strain sensors possess GFs as high as 200 (ε < 0.5%), 1000 (0.5% < ε < 0.7%), and even exceeding 5000 (0.7% < ε < 1%).