Ruochen Shi2 articles listing Ruochen Shi in Nature Communications, Science Advances, indexed by Paperzzz from Crossref and OSF.Precise structure and polarization determination of Hf0.5Zr0.5O2 with electron ptychography Nature CommunicationsStrongly confined mid-infrared to terahertz phonon polaritons in ultrathin SrTiO 3 Science Advances