Abstract
The structure, magnetization, and electrical transport of perovskite cobaltites La0.7Sr0.3Co1−yNiyO3 have been studied. It is found that the substitution of Ni for Co induces no apparent changes in bond length and angle in the Co(Ni)–O network, and only moderately suppresses the ferromagnetism. Moreover, a retention of the metallic conduction has been observed from y=0 to 0.2, which is in strong contrast to the reported insulating state of the other Co site doped La0.7Sr0.3CoO3. A double-exchange-like interaction between Ni ion and its neighboring Co ion is suggested to explain the experimental results.
Full Text 
Sign-in/Register to access full text options
Sign-in/Register to access full text options 
Published version (
Free)
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
