Superconductivity in the La2-x-yPrySrxCuO4 system.

M. T. Weller, J. R. Grasmeder, P. C. Lanchester

Research output: Contribution to journalArticle

Abstract

The effect of partially substituting praseodymium for lanthanum in the superconducting materials La//2// minus //xSr//xCuO//4 has been investigated. Powder neutron diffraction work demonstrated that only minor structural changes occur; however, marked differences in electrical properties were found. Compounds of the general formula, La//1//. //6//2// minus //xPr//xSr//0//. //1//8CuO//4, synthesized using a precipitation method from Pr**3** plus compounds, were found to be semiconductors in the range 0 less than x less than 0. 27. In the La//1//. //6//2// minus //yPr//0//. //1//8Sr//yCuO//4-phase region a change from semiconducting to superconducting behavior was found on increasing the level of strontium doping.
Original languageEnglish
Pages (from-to)411-418
JournalJournal of Physics C : Solid State Physics
Volume21
Issue number2
DOIs
Publication statusPublished - 1988

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Praseodymium
Neutron powder diffraction
praseodymium
Lanthanum
Strontium
Superconductivity
lanthanum
strontium
Superconducting materials
neutron diffraction
Electric properties
superconductivity
electrical properties
Doping (additives)
Semiconductor materials

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Superconductivity in the La2-x-yPrySrxCuO4 system. / Weller, M. T.; Grasmeder, J. R.; Lanchester, P. C.

In: Journal of Physics C : Solid State Physics, Vol. 21, No. 2, 1988, p. 411-418.

Research output: Contribution to journalArticle

Weller, M. T. ; Grasmeder, J. R. ; Lanchester, P. C. / Superconductivity in the La2-x-yPrySrxCuO4 system. In: Journal of Physics C : Solid State Physics. 1988 ; Vol. 21, No. 2. pp. 411-418.
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