TY - JOUR ID - TI - superconductivity of Bi2-x Nax Pb0.3 Sr2Ca2Cu3O10+δ for 0 ≤ x ≤ 0.5 System AU - Bushra. A. Aljurani بشرى الجوراني PY - 2012 VL - IS - Special SP - 308 EP - 315 JO - Basic Education College Magazine For Educational and Humanities Sciences مجلة كلية التربية الأساسية للعلوم التربوية والإنسانية SN - 23043717 23128003 AB - High- temperature oxide superconductivity of Bi-Sr-Ca-Cu-O system and Tl-Ba-Ca-Cu-O system without any rare- earth elements were discovered by Maeda et al (1) and Hermann (2),respectively. Maeda and co-workers observed a superconducting onset temperature of about 120K,which was higher than that of Ba2YCu3O7 by more than 10K.Takano et al.

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