Nature CommunicationsNegative temperature coefficient metamaterial absorber for uniform microwave heatingJing ZhouDi LiLingfeng XiaXicheng HengShuting LiuGuido LinkJames GaoXiaozhong HaoLei ZhouYingguang Li2026-06-29Full textDOI https://doi.org/10.1038/s41467-026-74811-5