First-principles calculation of the electronic structure, chemical bonding, and thermodynamic properties of β-US2
Li Shi-Changa), Zheng Yuan-Leia), Ma Sheng-Guia), Gao Tao†a), Ao Bing-Yun‡b)
       
The calculated phonon dispersion curves by LO–TO splitting β -US2. (a) phonon dispersion curves and (b) phonon TDOS and PPDOS.