Predicted novel insulating electride compound between alkali metals lithium and sodium under high pressure
Chen Yang-Mei1, 2, Geng Hua-Yun2, †, Yan Xiao-Zhen3, Wang Zi-Wei2, Chen Xiang-Rong1, ‡, Wu Qiang2, §
       

Phonon dispersions of Li–Na under different pressures: (a)70 GPa, (b) 150 GPa, (c) 280 GPa, (d) 400 GPa.