Superconductivity in the La2-x-yPrySrxCuO4system
- 20 January 1988
- journal article
- Published by IOP Publishing in Journal of Physics C: Solid State Physics
- Vol. 21 (2) , 411-418
- https://doi.org/10.1088/0022-3719/21/2/023
Abstract
The effect of partially substituting praseodymium for lanthanum in the superconducting materials La2-xSrxCuO4 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, La1.62-xPrxSr0.18CuO4, synthesised using a precipitation method from Pr3+ compounds, were found to be semiconductors in the range 01.62-yPr0.18SryCuO4-phase region a change from semiconducting to superconducting behaviour was found on increasing the level of strontium doping.Keywords
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