Ruishi Qi3 articles listing Ruishi Qi in Nature, Science, Science Advances, indexed by Paperzzz from Crossref and OSF.Two-component exciton condensates in an electron–hole bilayer NatureStrongly confined mid-infrared to terahertz phonon polaritons in ultrathin SrTiO 3 Science AdvancesElectrically controlled interlayer trion fluid in electron-hole bilayers Science