Temperature dependence of Raman-active optical phonons in Bi_2Se_3 and Sb_2Te_3

Y. Kim, X. Chen, Z. Wang +8

Inelastic light scattering spectra of Bi_2Se_3 and Sb_2Te_3 single crystals have been measured over the temperature range from 5 K to 300 K. The temperature dependence of dominant…