Plasma edge and optical phonon spectra of the high-temperature superconductor La1.85Sr0.15CuO4
β Scribed by H.P. Geserich; G. Scheiber; B. Renker
- Book ID
- 107855271
- Publisher
- Elsevier Science
- Year
- 1987
- Tongue
- English
- Weight
- 244 KB
- Volume
- 63
- Category
- Article
- ISSN
- 0038-1098
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π SIMILAR VOLUMES
The expressions for the second-order (SOE) and third-order (TOE) elastic constants for the high temperature superconductor La 2Γx Sr x CuO 4 (LSCO) have been derived from the finite deformation theory. The derived expressions have been used to the compute the values of the SOE and TOE constants for
Investigation on a high-To superconductor, Lal.ssSro.15CuO4, was performed in the wide range of Q E space by means of neutron scattering and synchrotron radiation. The structure as well as the phonon dynamics showed a clear evolution at To. We found a spontaneous strain and phonon softening, which p