Investigations of superconducting bismuth cuprates of the general formula Bi<sub>2-x</sub>Pb<i><sub>x</sub></i>(Ca,Sr,Y)<i><sub>n+1</sub></i>Cu<i><sub>n</sub></i>O<sub>2n+4+δ</sub> — Cnr Rao (1989) | RDL Network
Investigations of superconducting bismuth cuprates of the general formula Bi<sub>2-x</sub>Pb<i><sub>x</sub></i>(Ca,Sr,Y)<i><sub>n+1</sub></i>Cu<i><sub>n</sub></i>O<sub>2n+4+δ</sub>
In the (Bi,Pb)[sbnd]Sr[sbnd]Cu[sbnd]O system we have examined many compositions which are either metallic or semiconducting. In the Bi2-xPb x (Ca, Sr) n+1 Cu n O2n+4+δ system, we have established the superconducting properties of the n = 1 to 4 members. The Tc increases from n = 1 to 3 and does not increase further when n = 4. In Bi2Ca1-x,Y x Sr2Cu2O y , the Tc decreases with increase in x.
Cnr Rao, R. Nagarajan, R. Vijayaraghavan, N.Y. Vasanthacharya, Giridhar U. Kulkarni, Guanghui Rao, A.M. Umarji, P. Somasundaram, G. N. Subbanna, A. R. Raju, A. K. Sood, N. Chandrabhas
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