2026-04-03T20:36:18Z https://www.eurjchem.com/index.php/eurjchem/oai

oai:ojs.www.eurjchem.com:article/1276 2015-09-30T05:16:04Z eurjchem:ART driver

Synthesis, characterization and ionic conductivity of MgAl2O4 Elmhamdi, Abdelhakim Nahdi, Kais MgAl2O4 Jonscher law Citrate sol-gel Ac conductivity Activation energy Impedance spectroscopy Magnesium aluminate nanoparticles have been synthesized by a citrate sol-gel route. X-ray diffraction and IR spectroscopy study confirmed the formation of MgAl2O4 cubic spinel structure without presence of any secondary phase. Crystallite size of the synthesized nanoparticles was found to be equal to 24 nm. The ac conductivity of MgAl2O4 was studied using complex impedance spectroscopy technique in the frequency range from 5 Hz to 13 MHz and temperature range from 673 to 798 K. The temperature and frequency dependence of ac conductivity were highlighted and the activation energies of, respectively, ac conduction and relaxation processes were also calculated. Atlanta Publishing House LLC 2015-09-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://www.eurjchem.com/index.php/eurjchem/article/view/1276 10.5155/eurjchem.6.3.314-318.1276 European Journal of Chemistry; Vol. 6 No. 3 (2015): September 2015; 314-318 2153-2257 2153-2249 eng https://www.eurjchem.com/index.php/eurjchem/article/view/1276/pdf_1276