Contributions of CuO2 planes and CuO chains on the transport properties of YBa2Cu4O8

S. Chatterjee; S. S. Weng; I. P. Hong; C. F. Chang; H. D. Yang; Jiunn-Yuan Lin

doi:10.1016/S0921-4534(98)00678-9

Contributions of CuO₂ planes and CuO chains on the transport properties of YBa₂Cu₄O₈

S. Chatterjee, S. S. Weng, I. P. Hong, C. F. Chang, H. D. Yang^*, Jiunn-Yuan Lin

^*Corresponding author for this work

Institute of Physics

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3 Scopus citations

Abstract

We have investigated the contributions of CuO₂ planes and CuO chains on the transport properties of YBa₂Cu₄O₈ by measuring the electrical resistivity and thermoelectric power (S) of Y_1-xPr_xBa₂(Cu_1-yZn_y) ₄O₈, Y_1-xCa_xBa₂Cu₄O₈ and YBa₂(Cu_1-xGa_x)₄O₈. Pr reduces the mobile carrier concentration in the CuO₂ planes in YBa₂Cu₄O₈, as a consequence, the superconducting transition temperature is progressively decreased with increasing Pr. The S(T) data suggest that the metallic behavior at lower temperature of the Pr and Zn doped compounds is contributed by the double CuO chains. On the other hand, the S(T) behavior of Ca doped samples is opposite to that of the Pr doped samples because the doping of Ca in Y-site introduces holes in the CuO₂ planes. However, the substitution of Ga in Cu(1)-site suppresses the carrier concentration in CuO chains and increases the normal-state resistivity revealing the important contribution from CuO chains on the metallic behavior of YBa₂Cu₄O₈ and PrBa₂Cu₄O₈.

Original language	English
Pages (from-to)	55-60
Number of pages	6
Journal	Physica C: Superconductivity and its applications
Volume	312
Issue number	1-2
DOIs	https://doi.org/10.1016/S0921-4534(98)00678-9
State	Published - 20 Jan 1999

Keywords

(YPr)BaCuO
Cu-O chains
CuO planes
Thermoelectric power

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@article{f427101349924b538192feece19061a4,

title = "Contributions of CuO2 planes and CuO chains on the transport properties of YBa2Cu4O8",

abstract = "We have investigated the contributions of CuO2 planes and CuO chains on the transport properties of YBa2Cu4O8 by measuring the electrical resistivity and thermoelectric power (S) of Y1-xPrxBa2(Cu1-yZny) 4O8, Y1-xCaxBa2Cu4O8 and YBa2(Cu1-xGax)4O8. Pr reduces the mobile carrier concentration in the CuO2 planes in YBa2Cu4O8, as a consequence, the superconducting transition temperature is progressively decreased with increasing Pr. The S(T) data suggest that the metallic behavior at lower temperature of the Pr and Zn doped compounds is contributed by the double CuO chains. On the other hand, the S(T) behavior of Ca doped samples is opposite to that of the Pr doped samples because the doping of Ca in Y-site introduces holes in the CuO2 planes. However, the substitution of Ga in Cu(1)-site suppresses the carrier concentration in CuO chains and increases the normal-state resistivity revealing the important contribution from CuO chains on the metallic behavior of YBa2Cu4O8 and PrBa2Cu4O8.",

keywords = "(YPr)BaCuO, Cu-O chains, CuO planes, Thermoelectric power",

author = "S. Chatterjee and Weng, {S. S.} and Hong, {I. P.} and Chang, {C. F.} and Yang, {H. D.} and Jiunn-Yuan Lin",

year = "1999",

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doi = "10.1016/S0921-4534(98)00678-9",

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AU - Chatterjee, S.

AU - Weng, S. S.

AU - Hong, I. P.

AU - Chang, C. F.

AU - Yang, H. D.

AU - Lin, Jiunn-Yuan

PY - 1999/1/20

Y1 - 1999/1/20

N2 - We have investigated the contributions of CuO2 planes and CuO chains on the transport properties of YBa2Cu4O8 by measuring the electrical resistivity and thermoelectric power (S) of Y1-xPrxBa2(Cu1-yZny) 4O8, Y1-xCaxBa2Cu4O8 and YBa2(Cu1-xGax)4O8. Pr reduces the mobile carrier concentration in the CuO2 planes in YBa2Cu4O8, as a consequence, the superconducting transition temperature is progressively decreased with increasing Pr. The S(T) data suggest that the metallic behavior at lower temperature of the Pr and Zn doped compounds is contributed by the double CuO chains. On the other hand, the S(T) behavior of Ca doped samples is opposite to that of the Pr doped samples because the doping of Ca in Y-site introduces holes in the CuO2 planes. However, the substitution of Ga in Cu(1)-site suppresses the carrier concentration in CuO chains and increases the normal-state resistivity revealing the important contribution from CuO chains on the metallic behavior of YBa2Cu4O8 and PrBa2Cu4O8.

AB - We have investigated the contributions of CuO2 planes and CuO chains on the transport properties of YBa2Cu4O8 by measuring the electrical resistivity and thermoelectric power (S) of Y1-xPrxBa2(Cu1-yZny) 4O8, Y1-xCaxBa2Cu4O8 and YBa2(Cu1-xGax)4O8. Pr reduces the mobile carrier concentration in the CuO2 planes in YBa2Cu4O8, as a consequence, the superconducting transition temperature is progressively decreased with increasing Pr. The S(T) data suggest that the metallic behavior at lower temperature of the Pr and Zn doped compounds is contributed by the double CuO chains. On the other hand, the S(T) behavior of Ca doped samples is opposite to that of the Pr doped samples because the doping of Ca in Y-site introduces holes in the CuO2 planes. However, the substitution of Ga in Cu(1)-site suppresses the carrier concentration in CuO chains and increases the normal-state resistivity revealing the important contribution from CuO chains on the metallic behavior of YBa2Cu4O8 and PrBa2Cu4O8.

KW - (YPr)BaCuO

KW - Cu-O chains

KW - CuO planes

KW - Thermoelectric power

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Contributions of CuO₂ planes and CuO chains on the transport properties of YBa₂Cu₄O₈

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