Unusual semimetal-semimetal transition of layer-stacked borophene under pressure

Xiao-Ji Weng, 2 QuanSheng Wu, 4 Xi Shao, Oleg V. Yazyev, 4 Xin-Ling He, Xiao Dong, ∗ Hui-Tian Wang, Xiang-Feng Zhou, 2, † and Yongjun Tian Key Laboratory of Weak-Light Nonlinear Photonics and School of Physics, Nankai University, Tianjin 300071, China State Key Laboratory of Metastable Materials Science and Technology, School of Science, Center for High Pressure Science, Yanshan University, Qinhuangdao 066004, China Institute of Physics, École Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland National Centre for Computational Design and Discovery of Novel Materials MARVEL, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland National Laboratory of Solid State Microstructures and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China