# Gear Fault Detection via Deep‐Subwavelength Rainbow Trapping Effect of Higher‐Order Topological Mechanical Metamaterials

> Research article (Advanced Functional Materials, 2025) · cited 10× · AI/ML

**Wikidata**: [openalex:W4408345212](https://www.wikidata.org/wiki/openalex:W4408345212)  
**Source**: https://4ort.xyz/entity/gear-fault-detection-via-deepsubwavelength-rainbow-trapping-effect-of-higherorder-topological-mechanical-metamaterials