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A review of the superconducting and normal state properties of Y1− xPrxBa2Cu3O7
The properties of the Y1− xPrxBa2Cu3O7 (YPrBCO) system are reviewed. These include
superconducting, normal state, structural, chemical, optical, magnetic, and thermal …
superconducting, normal state, structural, chemical, optical, magnetic, and thermal …
Upper critical field and normal-state properties of single-phase compounds
Substitution of Pr for Y in the Y 1− x Pr x Ba 2 Cu 3 O 7− δ system depresses T c, with
superconductivity disappearing for x≥ 0.5. The origin of this T c depression is still …
superconductivity disappearing for x≥ 0.5. The origin of this T c depression is still …
Raman-active phonons in (x=0–1): Effects of hole filling and internal pressure induced by Y do** for Ca, and implications for phonon …
The phonon Raman spectra of Bi 2 Sr 2 Ca 1− x Y x Cu 2 O 8+ d (x= 0-1) have been
investigated in a number of well-defined single-crystal and polycrystalline samples. From the …
investigated in a number of well-defined single-crystal and polycrystalline samples. From the …
Crystal-field splittings and magnetic properties of and in R
Neutron inelastic scattering spectra are reported for superconducting NdBa 2 Cu 3 O 7 and
insulating PrBa 2 Cu 3 O 7. These spectra are analyzed in terms of standard crystal-field …
insulating PrBa 2 Cu 3 O 7. These spectra are analyzed in terms of standard crystal-field …
Light scattering in high-Tc superconductors
With the discovery of materials that show superconductivity at temperatures significantly
higher than previously known, Bednorz and Mi~ ller [6.1] initiated both a materials race for …
higher than previously known, Bednorz and Mi~ ller [6.1] initiated both a materials race for …
Lattice vibrations of Y1− xPrxBa2Cu3O7: theory and experiment
We report measurements of the far-infrared reflectance of Y 1− x Pr x Ba 2 Cu 3 O 7 thin
films. Detailed understanding of the experimental lineshapes is achieved with the proper …
films. Detailed understanding of the experimental lineshapes is achieved with the proper …
Raman study of the coupling of crystal-field excitations to phonons in
A double peak observed near 300 cm− 1 in the Raman and inelastic-neutron-scattering
spectra of the high-T c superconductor NdBa 2 Cu 3 O 7− δ is due to a strong coupling and …
spectra of the high-T c superconductor NdBa 2 Cu 3 O 7− δ is due to a strong coupling and …
Role of internal electric field on suppression of superconductivity by Pr in copper oxides
The influence of Pr on the superconductivity in copper oxides is argued to depend critically
on the energy difference between the Fermi energy EF and the energy E f of the Pr 3+: 4f 2 …
on the energy difference between the Fermi energy EF and the energy E f of the Pr 3+: 4f 2 …
Polarized Raman measurements of
IS Yang, G Burns, FH Dacol, CC Tsuei - Physical Review B, 1990 - APS
We report polarized Raman measurements on small single crystals embedded in Y 1− x Pr x
Ba 2 Cu 3 O 7 polycrystalline pellets. The measurements show two-mode behavior in the Cu …
Ba 2 Cu 3 O 7 polycrystalline pellets. The measurements show two-mode behavior in the Cu …
Ba core-level shift in x-ray photoemission spectroscopy on single-phase and compounds
IS Yang, AG Schrott, CC Tsuei - Physical Review B, 1990 - APS
We have measured x-ray photoemission spectra of single-phase Y 1− x Pr x Ba 2 Cu 3 O 7
(x= 0.0, 0.2, 0.4, 0.6, 0.8) and of YBa 2 Cu 3 O 7− y (y= 0.0, 0.15, 0.40) compounds, in which …
(x= 0.0, 0.2, 0.4, 0.6, 0.8) and of YBa 2 Cu 3 O 7− y (y= 0.0, 0.15, 0.40) compounds, in which …