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Journal Article

Metallic ferromagnetism in Ni-doped La0.7Sr0.3CoO3

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Wang,  Z. H.
Scientific Facility Thin Film Technology (Gennady Logvenov), Max Planck Institute for Solid State Research, Max Planck Society;

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Citation

Wang, Z. H., Wang, F. W., Chen, X., Li, R. W., & Shen, B. G. (2001). Metallic ferromagnetism in Ni-doped La0.7Sr0.3CoO3. Journal of Applied Physics, 91(1), 519-521.


Cite as: https://hdl.handle.net/21.11116/0000-000E-E52F-C
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. (C) 2002 American Institute of Physics.