Raman scattering in single crystals of Tl-Ba-Ca-Cu-O superconductors
Gasparov L. V. , Kulakovskii V. D., Misochko O. V., Timofeev V. B., Kolesnikov N. N., Kulakov M. P.
Raman scattering of light by totally symmetric phonons in superconducting single crystals of TlBa2CaCu207... x and Tl2Ba2CaCu208 _ x has been measured. A group-theoretical analysis of the symmetry of phonon modes in TlBa2Ca„ ι Cu„ 02n f 3 and Tl2Ba2Ca„. , Cu„ 02n + 4 has been carried out. The totally symmetric vibrations in the Raman-scattering spectra have been classified.