The effect of substituting potassium for barium on the superconductivity of RBa2Cu3O7 (R=Y and Eu)

I. Felner; M. Kowitt; Y. Lehavi; L. Ben-dor; Y. Wolfus; B. Barbara; I. Nowik

doi:10.1016/S0921-4534(88)80144-8

The effect of substituting potassium for barium on the superconductivity of RBa₂Cu₃O₇ (R=Y and Eu)

I. Felner^*
, M. Kowitt
, Y. Lehavi
, L. Ben-dor
, Y. Wolfus
, B. Barbara
, I. Nowik

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

We have studied the crystal structure and magnetic susceptibility of high T_c single phase RBa_2-xK_xCu₃O_7-δ, where x=0 to 1 and R=Y, Eu. All the YBa_2-xK_xCu₃O_7-δ samples have the same orthorhombic crystal structure and are superconducting with almost the same T_c. In EuBa_2-xK_xCu₃O₇ the crystal structure changes from orthorhombic to tetragonal and a progressive decrease in T_c is observed when x is increased. EuBaKCu₃O_7-δ is not superconducting. The decrease in the cation charge reduces both the oxygen concentration and the average valency of the copper.

Original language	English
Pages (from-to)	898-899
Number of pages	2
Journal	Physica C: Superconductivity and its Applications
Volume	153-155
Issue number	PART 2
DOIs	https://doi.org/10.1016/S0921-4534(88)80144-8
State	Published - 1988

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title = "The effect of substituting potassium for barium on the superconductivity of RBa2Cu3O7 (R=Y and Eu)",

abstract = "We have studied the crystal structure and magnetic susceptibility of high Tc single phase RBa2-xKxCu3O7-δ, where x=0 to 1 and R=Y, Eu. All the YBa2-xKxCu3O7-δ samples have the same orthorhombic crystal structure and are superconducting with almost the same Tc. In EuBa2-xKxCu3O7 the crystal structure changes from orthorhombic to tetragonal and a progressive decrease in Tc is observed when x is increased. EuBaKCu3O7-δ is not superconducting. The decrease in the cation charge reduces both the oxygen concentration and the average valency of the copper.",

author = "I. Felner and M. Kowitt and Y. Lehavi and L. Ben-dor and Y. Wolfus and B. Barbara and I. Nowik",

year = "1988",

doi = "10.1016/S0921-4534(88)80144-8",

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journal = "Physica C: Superconductivity and its Applications",

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T1 - The effect of substituting potassium for barium on the superconductivity of RBa2Cu3O7 (R=Y and Eu)

AU - Felner, I.

AU - Kowitt, M.

AU - Lehavi, Y.

AU - Ben-dor, L.

AU - Wolfus, Y.

AU - Barbara, B.

AU - Nowik, I.

PY - 1988

Y1 - 1988

N2 - We have studied the crystal structure and magnetic susceptibility of high Tc single phase RBa2-xKxCu3O7-δ, where x=0 to 1 and R=Y, Eu. All the YBa2-xKxCu3O7-δ samples have the same orthorhombic crystal structure and are superconducting with almost the same Tc. In EuBa2-xKxCu3O7 the crystal structure changes from orthorhombic to tetragonal and a progressive decrease in Tc is observed when x is increased. EuBaKCu3O7-δ is not superconducting. The decrease in the cation charge reduces both the oxygen concentration and the average valency of the copper.

AB - We have studied the crystal structure and magnetic susceptibility of high Tc single phase RBa2-xKxCu3O7-δ, where x=0 to 1 and R=Y, Eu. All the YBa2-xKxCu3O7-δ samples have the same orthorhombic crystal structure and are superconducting with almost the same Tc. In EuBa2-xKxCu3O7 the crystal structure changes from orthorhombic to tetragonal and a progressive decrease in Tc is observed when x is increased. EuBaKCu3O7-δ is not superconducting. The decrease in the cation charge reduces both the oxygen concentration and the average valency of the copper.

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DO - 10.1016/S0921-4534(88)80144-8

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AN - SCOPUS:0024017949

SN - 0921-4534

VL - 153-155

SP - 898

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JO - Physica C: Superconductivity and its Applications

JF - Physica C: Superconductivity and its Applications

IS - PART 2

ER -

The effect of substituting potassium for barium on the superconductivity of RBa₂Cu₃O₇ (R=Y and Eu)

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