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Studies on Members of the Intergrowth Family(ACuO(3-x))m-(A′O)_n (A:Pb,Sr,Ba,La;A′:Pb,Sr)

Tu Hengyong Wu Jindi (Shanghai Institute of Ceramics,Academia Sinica)  
In this paper,We report the studies on some members of intergrowth family(ACuO_(3-x))_m(A'O)_n in the Pb-Sr-Ba-La-Cu-O system.X-ray analysis and electricalresistance measurements for the two samples Pb_2Sr_2Ba_(0.5)La_(0.5)Cu_3O_(8.5) and Pb_2Sr_2BaLaCu_3O_(9.5) are given.These results are compared with those of the superconductorPbSrBa_(0.5)La_(0.5)Cu_2O_((?)-δ).Besides,the results of electrical resistance measurements forthe two samples are discussed.
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