Pressure-induced solidifications of liquid sulfur below and above λ-transition
Tang Fei1, Zhang Lin-Ji1, 2, Liu Feng-Liang2, Sun Fei2, Yang Wen-Ge2, 3, †, , Wang Jun-Long1, Liu Xiu-Ru1, ‡, , Shen Ru4
       

(a) XRD patterns of samples A, B, C, and D, indicating their amorphous states, (b) Raman spectra of samples A, B, C, and D. Multiple peaks fitting at 440 cm−1, 461 cm−1, and 472 cm−1 are shown in the inset.