# Catalytically tuned Bi <sub>2</sub> Fe <sub>4</sub> O <sub>9</sub> –polypyrrole heterostructures: multifunctional electromagnetic wave absorbers with enhanced stealth and thermal camouflage

> Research article (Rare Metals, 2025) · cited 35× · AI/ML

**Wikidata**: [openalex:W4412539646](https://www.wikidata.org/wiki/openalex:W4412539646)  
**Source**: https://4ort.xyz/entity/catalytically-tuned-bi-sub-2-sub-fe-sub-4-sub-o-sub-9-sub-polypyrrole-heterostructures-multifunctional-electromagnetic-w