TY - RPRT TI - An exciton crystal in a moiré excitonic insulator AU - Qi, Ruishi [University of California, Berkeley, CA (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)] (ORCID:0009000013051104) AU - Li, Qize [University of California, Berkeley, CA (United States)] (ORCID:0009000123520370) AU - Kim, Haleem [University of California, Berkeley, CA (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)] (ORCID:000000032073029X) AU - Nie, Jiahui [University of California, Berkeley, CA (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)] AU - Zhang, Zuocheng [University of California, Berkeley, CA (United States)] (ORCID:0000000178516101) AU - Xia, Ruichen [University of California, Berkeley, CA (United States)] AU - Cui, Zhiyuan [University of California, Berkeley, CA (United States)] AU - Xiao, Jianghan [University of California, Berkeley, CA (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)] (ORCID:0009000283421478) AU - Taniguchi, Takashi [National Institute for Materials Science (NIMS), Tsukuba (Japan)] (ORCID:0000000214673105) AU - Watanabe, Kenji [National Institute for Materials Science (NIMS), Tsukuba (Japan)] (ORCID:0000000337018119) AU - Crommie, Michael F. [University of California, Berkeley, CA (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)] (ORCID:0000000182463444) AU - Wang, Feng [University of California, Berkeley, CA (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); Kavli Energy NanoScience Institute, Berkeley, CA (United States)] (ORCID:0000000183696194) PY - 2026 DO - 10.1038/s41567-026-03184-9 UR - https://www.osti.gov/biblio/3025708 ID - 3025708 ER -