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Citation: Meng Jian, Ren Yufang, Pan Yanan. ELECTRICAL PROPERTIES OF Ca, Sr DOPED La₂NiO₄[J]. Chinese Journal of Applied Chemistry, ;1993, 10(3): 39-41. shu

ELECTRICAL PROPERTIES OF Ca, Sr DOPED La₂NiO₄

1.
Laboratory of Rare Earth Chemistry and Physics, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 130022 Changchun

Received Date: 7 July 1992
Available Online: 8 September 1992
Fund Project:

The solid solutions of La_2-xCa_xNiO₄ (0 ≤x ≤1.4) were prepared and compared with solid solutions of La_2-xSr_xNiO₄. All the members of the system are of tetragonal K₂NiF₄ structure. Their crystal parameters a,c and cell volume were found to be gradually decreased with the increase of x. The electrical resistivity of La_2-xCa_xNiO₄ progressively increases but that of La_2-xSr_xNiO₄ gradually decreases with increasing x at room temperature. The difference in electrical behavior is interpreted in terms of the change of the electronic configuration of Ni³⁺.
- lanthanum nickelate,
- strontium,
- calcium,
- doped solid solution,
- electrical property
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ELECTRICAL PROPERTIES OF Ca, Sr DOPED La2NiO4

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ELECTRICAL PROPERTIES OF Ca, Sr DOPED La₂NiO₄