- All Journals
- Al-Qadisiyah University
- Basrah University
- Kirkuk University
- Mosul University
- The Iraqi Borad for Medical Specialization
- University of Anbar
- University of Technology
- Al Mustafa University
- Al-Zahraa University for Women
- Alnoor University
- Kunooz University
- Misan University
- Ninevah University
- Tikrit University
- University of Al-Hamdaniya
- University of Kerbala
Effect of recurrent annealing on Structure and Electrical Properties of High Temperature Tl1.7Ag0.3Sr2Ca2Cu3O10+δ Superconductor | ||
| Tikrit Journal of Pure Science | ||
| Article 1, Volume 18, Issue 2, 2013, Pages 213-220 | ||
| Authors | ||
| Khalid Hamdi Razzeg; Abdul Kareem Dahash Ali; Hameed Abdulla Radwan | ||
| Abstract | ||
| Bulk samples of high temperature superconductivity Tl1.7Ag0.3Sr2Ca2Cu3O10+δ have been prepared by a two- step solid state reaction process at annealing temperature 850 ºC & pressure at 8ton/cm2 . The study showed that the Oxygen rate (δ) plays a major role to increase (Tc) , the best rate of Oxygen in the prepared compounds was (10.27( . The influence of annealing time have been investigated to obtain the optimum conditions for the formation and stabilization of the high-Tc phase (Tl-2223). The result have shown that the optimum annealing time was 140h , The x-ray data of all superconductor samples showed a tetragonal structure . The micro structure of the superconductor have been investigated using Scanning Electron Microscope (SEM) ,to determine the elements ratios in the compounds and the range of the annealing influence . | ||
|
Statistics Article View: 154 PDF Download: 4 |
||