Aihua Wang; Xiaoxia Wang; Yigang Cao; Xinli Li; Yongyong Wang; Liming Gao; Heqiang Lu; Jie Zhang; Pinglin Li
(Физика низких температур, 2008)
We adopted the x-ray diffraction, oxygen contents, positron annihilation technology as well as simulation
methods to investigate systemically YBa₂Cu₃–x(Ni,Co)xO₇–δ (x = 0–0.5). The simulated results show
that ions ...