We report herein results concerning the solid solutions Pr 2Ψx M x NiO 4Ψ , M β«Ψβ¬ La, Sr. These two cations are larger than praseodymium and lead to a structural stabilization. The oxygen excess decreases with x for La and Sr substituted Pr 2 NiO 4Ψ . Both cases suggest that structural strain is a l
Electrical properties and stoichiometry in La2NiO4
β Scribed by M. Sayer; P. Odier
- Publisher
- Elsevier Science
- Year
- 1987
- Tongue
- English
- Weight
- 841 KB
- Volume
- 67
- Category
- Article
- ISSN
- 0022-4596
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Magnetic properties of La 2 NiO 4.16 and La 2Ψx Pr x NiO 4Ψ are studied by dc susceptibility in a wide temperature range, i.e., 4-1200 K. The principal aim is to investigate the modifications of magnetic interactions in the NiO 2 plane by inserting a magnetic ion in the LaO layer. Magnetic propertie
This paper describes the synthesis and discusses the thermal stability, oxygen and cation stoichiometry, and electrical transport properties of Cd/Mn spinel materials. It has been found that an e4ective synthesis can be obtained by reacting in the solid state CdO and Mn 2 O 3 in a closed quartz ampo