Media type: E-Article Title: Large Dzyaloshinskii-Moriya interaction and field-free topological chiral spin states in two-dimensional alkali-based chromium chalcogenides Contributor: Li, Peng; Cui, Qirui; Ga, Yonglong; Liang, Jinghua; Yang, Hongxin Published: American Physical Society (APS), 2022 Published in: Physical Review B, 106 (2022) 2 Language: English DOI: 10.1103/physrevb.106.024419 ISSN: 2469-9950; 2469-9969 Origination: Footnote: