Abstract
Calcium-substituted lanthanum manganite compounds were synthesized by the spray drying technique. This method—whose main advantages are versatility, high reproducibility and scalability—yields small grain materials of high homogeneity and displaying low-field magnetoresistance effects. We report about the physical and chemical characterizations of these samples in order to investigate the potential interest of spray drying for the production of materials for low-field magnetoresistance applications. We have studied the dependence of the low-field magnetoresistance on the temperature and duration of the thermal treatment applied to the pelletized powders. The issue of the shape anisotropy (demagnetisation effects) influence on the magnetoresistance properties has also been dealt with.
Similar content being viewed by others
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Vertruyen, B., Rulmont, A., Cloots, R. et al. Low-field magnetoresistance in La0.7Ca0.3MnO3 manganite compounds prepared by the spray drying technique. J Mater Sci 40, 117–122 (2005). https://doi.org/10.1007/s10853-005-5695-0
Issue Date:
DOI: https://doi.org/10.1007/s10853-005-5695-0