Strong anharmonicity with large mode-Grüneisen parameter in Na-doped PbTe

Lan Yu, Hao Yu, Liu-Cheng Chen, Hong-Jie Pang, Qian Zhang, Zhifeng Ren, Xiao-Jia Chen, “Strong anharmonicity with large mode-Grüneisen parameter in Na-doped PbTe,” Phys. Rev. B 112 (21), 214302 (2025). DOI: 10.1103/pg13-6jxf