NatureBulk hexagonal diamondShoulong LaiXigui YangJiuyang ShiShijie LiuYing GuoLongbin YanJinhao ZangZhuangfei ZhangQiuhan JiaJian SunShaobo ChengChongxin Shan2026-03-04Full textDOI https://doi.org/10.1038/s41586-026-10212-4