TY - JOUR
T1 - Signatures of nearly invisible defects in PrBa2Cu3O7 and Pr2-zCezSr2Cu2NbO10
AU - Blackstead, Howard A.
AU - Dow, John D.
AU - Felner, Israel
AU - Yelon, William B.
PY - 2001
Y1 - 2001
N2 - PrBa and PrSr are the defects responsible for the suppression of superconductivity in PrBa2Cu3O7 and in Pr1.5Ce0.5Sr2Cu2NbO10, respectively, and are difficult to detect with conventional techniques. Even neutron scattering has difficulty detecting PrBa because the scattering lengths of Pr and Ba are so similar. In this paper, we point out how these alkaline-earth-site Pr defects can be readily detected indirectly in fully oxygenated samples, using measurements of the c-axis lengths.
AB - PrBa and PrSr are the defects responsible for the suppression of superconductivity in PrBa2Cu3O7 and in Pr1.5Ce0.5Sr2Cu2NbO10, respectively, and are difficult to detect with conventional techniques. Even neutron scattering has difficulty detecting PrBa because the scattering lengths of Pr and Ba are so similar. In this paper, we point out how these alkaline-earth-site Pr defects can be readily detected indirectly in fully oxygenated samples, using measurements of the c-axis lengths.
UR - http://www.scopus.com/inward/record.url?scp=84988751847&partnerID=8YFLogxK
U2 - 10.1103/PhysRevB.63.094517
DO - 10.1103/PhysRevB.63.094517
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AN - SCOPUS:84988751847
SN - 0163-1829
VL - 63
SP - 945171
EP - 945174
JO - Physical Review B - Condensed Matter and Materials Physics
JF - Physical Review B - Condensed Matter and Materials Physics
IS - 9
M1 - 094517
ER -