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[1] Y. Luo et al, JPCM 23, 175701 (2011)
[2] Y. Luo et al, Nat. Materials 13, 777 (2014).
[3] S. Wu et al, PRL 122, 197203 (2019).
[4] F. Lu, Y. Luo et al, PRB 107, 045104 (2023).