@Article{, title={Synthesis of BiPbSrCaCuO superconductors with substitution of Sr by Ag}, author={Amal. K. Jassim أمل جاسم}, journal={Basic Education College Magazine For Educational and Humanities Sciences مجلة كلية التربية الأساسية للعلوم التربوية والإنسانية}, volume={}, number={Special}, pages={258-264}, year={2012}, abstract={The Bi- based superconductor system exhibit three different phases described by a general formula Bi2Sr2Can-1CunO2n+4 related to the value of (n=1,2 and 3)which are specified by names (2201- Tc ~10K ,2212- Tc ~80K and 2223- Tc ~110K).The desirable phase is the n=3 (Bi2Sr2Ca2Cu3O10+δ) because its higher Tc.

} }