Fig. 3 | npj Quantum Materials

Fig. 3

From: Probing the energy gap of high-temperature cuprate superconductors by resonant inelastic x-ray scattering

Fig. 3

Electronic Raman scattering spectra for Bi2212 and Bi2223. a, b B1g Raman response of optimally-doped Bi2212 and Bi2Sr2Ca2Cu3O10+δ (Bi2223), respectively, at 10 K and Tc. Data are presented as Raman susceptibility ImχERS(q = 0, ω). The difference spectra between these two temperatures are also shown as black lines. The locations of the “2Δ” peaks are indicated by open triangles

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