Layered semiconductor EuTe4 with charge density wave order in square tellurium sheetsRemoveD. Wu, Q. M. Liu, S. L. Chen, G. Y. Zhong, J. Su, L. Y. Shi, L. Tong, G. Xu, P. Gao, and N. L. WangPhys. Rev. Materials 3, 024002 (2019)