Nature CommunicationsPhase-controlled molecular beam deposition unlocks flexible MgAgSb thermoelectrics with exceptional performanceZhao HuAiran LiNaoki SatoXinzhi WuLongquan WangXinyuan WangTakashi AizawaTakao Mori2026-02-12Full textDOI https://doi.org/10.1038/s41467-026-69451-8