Effect of oxygen concentration on the Raman spectra of YBa2Cu3Ox
Ponosov Yu. S. , Bolotin G. A., Gurin O. V., Chebotaev N. M., Samokhvalov A. A., Naumov S. V.
An anisotropic scattering has been observed in the basal plane of an orthorhombic crystal for vibrations associated with a filling of copper-oxygen chains. These vibrations exhibit an anomalous concentration, resonant, and temperature behavior.