Effects of Co, Fe, and Al doping on the oxygen disordering and superconducting transition temperature of YBa2Cu3O6+χ
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Effects of Co, Fe, and Al doping on the oxygen disordering and superconducting transition temperature of YBa2Cu3O6+χ. / Andersen, Jørgen Vitting; Andersen, Niels Hessel; Mouritsen, Ole G.; Poulsen, Henning Friis.
In: Physica. C, Superconductivity, Vol. 214, No. 1-2, 1993, p. 143-152.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Effects of Co, Fe, and Al doping on the oxygen disordering and superconducting transition temperature of YBa2Cu3O6+χ
AU - Andersen, Jørgen Vitting
AU - Andersen, Niels Hessel
AU - Mouritsen, Ole G.
AU - Poulsen, Henning Friis
PY - 1993
Y1 - 1993
N2 - Using computer simulation on a model of oxygen ordering in the basal Cu1-yMyOx plane of the high-temperature superconductor YBa2Cu3-yMyO6+x, we show that the effect of substituting Cu with M = Co, Fe, or Al is a diminishing of the oxygen-ordered orthorhombic domain sizes and eventually a breakdown of the orthorhombic structure. The model accounts for experimental structural data. By use of a previously established minimal model, which connects the superconducting transition temperature, Tc, to the formation of specific ordered orthorhombic domains in the undoped material, we show that the detrimental effect on Tc by metal-ion doping as well as oxygen depletion becomes manifest in a unified way as a result of oxygen disordering.
AB - Using computer simulation on a model of oxygen ordering in the basal Cu1-yMyOx plane of the high-temperature superconductor YBa2Cu3-yMyO6+x, we show that the effect of substituting Cu with M = Co, Fe, or Al is a diminishing of the oxygen-ordered orthorhombic domain sizes and eventually a breakdown of the orthorhombic structure. The model accounts for experimental structural data. By use of a previously established minimal model, which connects the superconducting transition temperature, Tc, to the formation of specific ordered orthorhombic domains in the undoped material, we show that the detrimental effect on Tc by metal-ion doping as well as oxygen depletion becomes manifest in a unified way as a result of oxygen disordering.
U2 - 10.1016/0921-4534(93)90120-F
DO - 10.1016/0921-4534(93)90120-F
M3 - Journal article
AN - SCOPUS:0027657563
VL - 214
SP - 143
EP - 152
JO - Physica C: Superconductivity and its Applications
JF - Physica C: Superconductivity and its Applications
SN - 0921-4534
IS - 1-2
ER -
ID: 236890706