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Citation: Li Youmo, Hong Guangyan, Liu Shuzhen, Song Lianren. STUDY ON Ba-Y-Cu-O SUPERCONDUCTER[J]. Chinese Journal of Applied Chemistry, ;2016, 4(5): 86-87. shu

STUDY ON Ba-Y-Cu-O SUPERCONDUCTER

1.
Changchun Institute of Applied Chemistry, Academia Sinica

Corresponding author: Li Youmo,
Received Date: 22 April 1987
Available Online: 18 June 1987

Samples were prepared from oxides in the atomic ratio of Ba:Y:Cu=1:1:1 by solid state reaction.The appearnce of the products ranges from dark to green and a few of them are not uniform in color.They are stable in air and disintegretes into powder when immersed in water. They show Meissner effect; R-T curves of them show zero-resistence temperature at 85.9-88.4K. X-ray diffraction pattern shows that it is a multiphase system and one of the main phase is orthogonal with cell constants of a=3.86, b=3.84, c=11.62Å. SEM photos show that there are two species in micromorphology With composition of Ba:Y:Cu=1:2:1 and 3:2:5 respectively, through EDS measurements.
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