Polarity-dependent charge density wave in the kagome superconductor CsV3Sb5RemoveTakemi Kato, Yongkai Li, Kosuke Nakayama, Zhiwei Wang, Seigo Souma, Miho Kitamura, Koji Horiba, Hiroshi Kumigashira, Takashi Takahashi, and Takafumi SatoPhys. Rev. B 106, L121112 (2022)