EPJ Web Conf.
Volume 162, 2017International Conference on Applied Photonics and Electronics 2017 (InCAPE2017)
|Number of page(s)||4|
|Published online||22 November 2017|
Structural and electrical properties of Li2AlMn3O8
Centre for Frontier Materials Research, Universiti Malaysia Perlis, 01000 Kangar, Perlis, Malaysia.
2 School of Materials Engineering, Universiti Malaysia Perlis, Jejawi, 02600 Arau, Perlis, Malaysia.
3 School of Microelectronic Engineering, Universiti Malaysia Perlis, Pauh Putra, 02600 Arau, Perlis, Malaysia.
* Corresponding author: firstname.lastname@example.org
Published online: 22 November 2017
The spinel Li2AlMn3O8 was synthesized using a conventional solid-state method at 800°C for 12 h in air. The samples were analyzed using X-ray Diffraction (XRD) and Electrochemical Impedance Analyzer to study the structural and electrical properties of the samples. Well defined reflections were obtained with additional weak peaks of Al2O3. However, small values of χ2 indicating a good agreement between calculated and observed pattern. A single semicircle from the complex plane plot (Z” vs. Z’), and the capacitance value at the top point of semicircular arc was determined as a grain boundary region. The conductivity of Li2AlMn3O8 at room temperature is about 2.99 x 10-5 S cm-1. Meanwhile, the Arrhenius plot related from conductivity shows the activation energy also fairly similar at frequency range from 101 to 105 Hz.
© The Authors, published by EDP Sciences, 2017
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