Yingjie Wu*, Jingying Liu, Wenzhi Yu, Tan Zhang, Haoran Mu, Guanyuan Si, Zhenyang Cui, Shenghuang Lin, Bin Zheng, Cheng-Wei Qiu*, Hongsheng Chen*, Qingdong Ou*, Monolithically structured van der Waals materials for volume-polariton refraction and focusing. ACS Nano 2024, DOI: 10.1021/acsnano.4c03630. (web)