Preparation of La2-x
Sr
x
NiO4 (x = 0-1.3) conducting oxides via a citrate route |
| |
| Authors: | S P Tolochko L V Makhnach I F Kononyuk V V Vashuk V A Lomonosov J Hauck H Altenburg V M Shelekhina |
| |
| Affiliation: | (1) Institute of General and Inorganic Chemistry, Belarussian Academy of Sciences, ul. Surganova 9, 220072 Minsk, Belarus;(2) Forschungszentrum Jülich, D 52425 Jülich, Germany;(3) Fachhochschule Munster, Stegerwaldstr. 39, D 48565 Steinfurt, Germany;(4) Research Institute of Powder Metallurgy, Minsk, Belarus |
| |
| Abstract: | La2-x SrxNiO4 (x = 0-1.3) oxide materials were prepared by the citrate and ceramic routes. The citrate precursors and final products were
characterized by thermal analysis (DTA + TG), x-ray diffraction, scanning electron microscopy, IR spectroscopy, and specific
surface and conductivity measurements. The use of citrate mixtures leads to the formation of amorphous precursors to La2O3, NiO, and La2-xSrxNiO4 (x <-0.4); reduces the temperature required for obtaining solid solutions by 150–200‡C as compared to the ceramic route; and
enables the preparation of fine powders (≤5 Μm) and dense ceramics.
Deceased. |
| |
| Keywords: | |
| 本文献已被 SpringerLink 等数据库收录！ |
|
