Nature CommunicationsConifer-shaped multi-layer elastocaloric regeneratorsDi MaGuoqu ZhouPengfei DangYanliang ChenYao WangHanlei MaZetong GanYe LiuSuxin QianDezhen XueYa-Ling He2026-07-13Full textDOI https://doi.org/10.1038/s41467-026-75487-7