J Mater Sci Technol ›› 1994, Vol. 10 ›› Issue (4): 269-272.

• Articles • Previous Articles     Next Articles

Solid Solution Sm_(1+x)Ba_(2-x)Cu_3O_y and Effect of Quench Temperature on SmBa_2Cu_3O_y

Xianran XING; Zhiyu QIAO; Wenxia YUAN and Shoukun WEI (University of Science and Technology Beijing, Beijing, 100083, China)(To whom correspondence should be addressed)Xiaolong CHEN, Guanghui RAO and Jingkui LIANG (Institute of Physics, Chinese Academy o   

  • Received:1994-07-28 Revised:1994-07-28 Online:1994-07-28 Published:2009-10-10

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Abstract: By X-ray powder diffraction technique and oxygen content analysis, a solid solution Sm1+xBa2-xCu3Oy has been determined in the range 0≤x≤0.4. When x<0.25. the Sm1+xBa2-xCu3Oy presents orthorhombic symmetry, and the orthorhombic-tetragonaJ transition ocCurs at x = 0.25. With the increase of x, TC decreases and finally breaks. The correlation between ox ygen content and phase structure at different quench temperatures related to Sm Ba2Cu3Oy has been investigated as well

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