Superconductivity in the system Lu<SUB>1−x</SUB>Pr<SUB>x</SUB>Ba<SUB>2</SUB>Cu<SUB>3</SUB>O<SUB>7−δ</SUB>
- Tamhane, A. S.
- Nagarajan, R.
- Pinto, R.
- Gupta, L. C.
- Vijayaraghavan, R.
- Badri, V.
- Varadaraju, U. V.
DOIAbstract
Lu<SUB>1−x</SUB>Pr<SUB>x</SUB>Ba<SUB>2</SUB>Cu<SUB>3</SUB>O<SUB>7−δ</SUB> compounds were synthesized in steps of x = 0.1 for 0 ≤ x ≤ 0.9 by solid-state reactions. Bulk superconductivity was observed in samples with x = 0.1, 0.2 and 0.3, even though the two end members of the series are not superconductors. X-ray diffraction studies show that the samples with x = 0.1 and 0.2 are essentially single-phase 1-2-3 materials, whereas the other compounds contain some impurity phase along with 1-2-3 phase
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