Onset of Orthorhombic-tetragonal Structure in (YBa2Cu3O7-δ)1-x(Sn02)x Superconducting Ceramics
Shaari, Abdul Halim, Hashim, Mansor, Abd. Aziz, Sidek, Suradi, Jamil and Mohd Shafie, Naemah (1995) Onset of Orthorhombic-tetragonal Structure in (YBa2Cu3O7-δ)1-x(Sn02)x Superconducting Ceramics. Pertanika Journal of Science & Technology, 3 (1). pp. 179-186. ISSN 0128-7680
High Tc superconductors, (YBa2Cu3O7-δ)1-x(Sn02)x with x ranging from 0.00 to 0.06 were prepared in air under optimum sintering conditions. Superconductivity and the onset of orthorhombic-tetragonal structure are discussed in relation to the results of X-ray diffraction studies. Meissner effect above liquid nitrogen temperature was observed for all the samples, suggesting the retention of orthorhombic structure in the system up to 6% Sn substitution.
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