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
材料科学技术（英文）
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...
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