Giant Electron-Phonon Anomaly in Doped La₂CuO₄and Other Cuprates

Figure 23

Data of [74] for the ▵4 symmetry in YBa₂Cu₃O_6.95. (a) Comparion of the 300 K and 10 K spectra. (b) Backround-subtracted intensity at 𝐐=(0,2.75,2) and E = 60 meV (see text). Open and solid circles represent different datasets from [74].

(a)

(b)