Geometry-Engineered Hourglass-Shaped Cracks Enable Wide-Linearity Wearable Strain Sensors

Key Points

• The research aims to improve the performance of wearable strain sensors using engineered crack geometries.
• Design and fabrication of hourglass-shaped cracks in strain sensors.
• Testing of sensor performance under various strain conditions.
• Comparison with conventional strain sensors for sensitivity and range.
• Engineered cracks demonstrated higher sensitivity compared to traditional designs.
• The sensors maintained performance over a wide range of strains.
• Results indicate potential for enhanced durability and reliability in wearable applications.