Yahya, Ahmad Kamal and Abd Shukor, Roslan (2003) Synthesis and Formation of T11223 and T1223 High-Tc Superconductors. Pertanika Journal of Science & Technology, 11 (1). pp. 1-7. ISSN 0128-7680
The preparation methods of Tl2Ba2Ca2Cu30,o (T1l223) and Tlo.5Pbo.5Sr1.6Ca.4Cu30g (TI2223) superconductors using a variety of starting compositions and sintering temperatures are discussed. Single-phased Tl2223 with T, between 106 to 109 K can be prepared using T12Ba2C~Cu3010 and Tl1.6Ba2C~4Cu3010as starting compositions in a non-closed system by heating around 20 min at 910°C in flowing 02' Samples with Tl1223 major phase (- 70%) can be prepared from Tlo.5Pbo.5SrI.6C~.4Cu30gcomposition with the sample wrapped in gold foil and sintered in flowing oxygen at 940°C for 3 hours.
|Publisher:||Universiti Putra Malaysia Press|
|Deposited By:||Nur Izyan Mohd Zaki|
|Deposited On:||02 Dec 2009 09:02|
|Last Modified:||19 Jul 2010 18:06|
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