Please use this identifier to cite or link to this item:
|Title:||Temperature sintering effects on the magnetic, electrical and transport properties of La0.67Sr0.33MnO3/Nd 0.67Sr0.33MnO3 composites|
|Citation:||Chang, Y.L., Ong, C.K. (2004-06-02). Temperature sintering effects on the magnetic, electrical and transport properties of La0.67Sr0.33MnO3/Nd 0.67Sr0.33MnO3 composites. Journal of Physics Condensed Matter 16 (21) : 3711-3718. ScholarBank@NUS Repository. https://doi.org/10.1088/0953-8984/16/21/019|
|Abstract:||The microstructure, magnetic and electrical transport properties of La 0.67Sr0.33MnO3/Nd0.67Sr 0.33MnO3 composites are studied as a function of sintering temperature. At 900°C, the intergrain exchange couplings between the adjacent particles give rise to an increase in resistance. Raising the sintering temperature induces the formation of an interfacial phase near the La 0.67Sr0.33MnO3 and Nd0.67Sr 0.33MnO3 grain boundaries as indicated in the XRD pattern and SEM image. At 1100°C, the formation of interfacial phases near the grain boundaries enhances the conductivity in the composite. Broad magnetoresistance across room temperature is observed in a composite sintered at 1300 °C. This observation may be ascribed to the coexistence of multiphase in the composite which leads to a decrease in resistance. The results suggest that sintering temperature has a prominent effect on the properties of the grain boundary, which plays an important role in determining the electrical transport behaviour of the composites.|
|Source Title:||Journal of Physics Condensed Matter|
|Appears in Collections:||Staff Publications|
Show full item record
Files in This Item:
There are no files associated with this item.
checked on Sep 17, 2018
WEB OF SCIENCETM
checked on Sep 5, 2018
checked on Sep 21, 2018
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.