A review of the superconducting and normal state properties of Y1− xPrxBa2Cu3O7

HB Radousky - Journal of materials research, 1992 - cambridge.org
The properties of the Y1− xPrxBa2Cu3O7 (YPrBCO) system are reviewed. These include
superconducting, normal state, structural, chemical, optical, magnetic, and thermal …

The question of Pr in HTSC

M Akhavan - Physica B: Condensed Matter, 2002 - Elsevier
Among all the rare earth elements, Pr is known to behave as a singularity in the high-Tc
families. When high-temperature cuprates are doped with Pr the superconductivity is …

Unusual electronic structure of

R Fehrenbacher, TM Rice - Physical review letters, 1993 - APS
A model for the electronic structure of PrBa 2 Cu 3 O 7 is proposed with three independent
components: insulating CuO 2 planes with oxidation state Cu II, mixed valent Pr ions with …

Hole filling and pair breaking by Pr ions in

JJ Neumeier, T Bjørnholm, MB Maple, IK Schuller - Physical Review Letters, 1989 - APS
Measurements of the superconducting critical temperature T c are reported for the (Y 1− x− y
Ca y) Pr x Ba 2 Cu 3 O 7− δ system as a function of x and y. The T c vs c curves at fixed …

Pressure-induced charge transfer and dTc/dP in YBa2Cu3O7− x

JD Jorgensen, S Pei, P Lightfoot, DG Hinks… - Physica C …, 1990 - Elsevier
Subtle pressure-induced structural changes in YBa 2 Cu 3 O 6.93 and YBa 2 Cu 3 O 6.60
have been measured by neutron powder diffraction for samples in a hydrostatic helium-gas …

Upper critical field and normal-state properties of single-phase compounds

JL Peng, P Klavins, RN Shelton, HB Radousky… - Physical Review B, 1989 - APS
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 …

Evidence against hole filling by Pr in

J Fink, N Nücker, H Romberg, M Alexander, MB Maple… - Physical Review B, 1990 - APS
Electron-energy-loss spectroscopy has been used to investigate the changes of the
electronic structure in Y 1− x Pr x Ba 2 Cu 3 O 7 (0≤ x≤ 1). The O 1s absorption edges and …

Crystal chemistry and superconductivity of the copper oxides

JB Goodenough, A Manthiram - Journal of Solid State Chemistry, 1990 - Elsevier
This paper highlights the important roles played by crystal chemistry in controlling the
superconductive properties of the intergrowth structures of the copper oxides. Bond-length …

Suppression of superconductivity in : 4f and conduction-band hybridization effect

GY Guo, WM Temmerman - Physical Review B, 1990 - APS
In order to understand the suppression of superconductivity in Y 1− x Pr x Ba 2 Cu 3 O 7
(0.6≤ x≤ 1.0) and also the electronic properties of the high-T c superconductors R Ba 2 Cu …

Role of the Madelung energy in hole conductivity in copper oxides: Difference between semiconductors and high- superconductors

JB Torrance, RM Metzger - Physical review letters, 1989 - APS
The difference in Madelung site potential, Δ VM, between a hole on a copper site and one
on an oxygen site can control the hole's site preference and ability to delocalize. Among a …