Contributions to the Chemistry of Rhombohedral Perovskites (La,Sr)(Mn,Fe)O3.
โ Scribed by Alexander Boerger; Hubert Langbein
- Publisher
- John Wiley and Sons
- Year
- 2004
- Weight
- 63 KB
- Volume
- 35
- Category
- Article
- ISSN
- 0931-7597
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๐ SIMILAR VOLUMES
The effect of the partial substitution of Mn with Fe in the layered perovskites (x 0.2) La 1.4 Ca 1.6 Mn 2ยฑ ยฑx Fe x O 7 has been studied. The results show that conduction and ferromagnetism have been consistently suppressed by Fe doping. The colossal magnetoresistance is enhanced by Fe doping in som
it. Studies of the collision-induced dissociations of 2 demonstrate that the ยฎrst electronically excited A state of 2 is very long-lived and efยฎciently releases its energy into translational energy when the ion collides with a neutral at low impact energies. Finally, ionยฑmolecule reactions of 2 and