Kinetic properties and structural analysis of LaCrO3 nanoparticles-Reference-Cited by-同舟云学术

Kinetic properties and structural analysis of LaCrO3 nanoparticles

Published:2017-07-26 Issue:2 Volume:35 Page:368-373
ISSN:2083-134X
Container-title:Materials Science-Poland
language:en
Short-container-title:

Author:

Enhessari Morteza¹,Salehabadi Ali¹,Khoobi Asma²,Amiri Razie¹

Affiliation:

1. Department of Chemistry, Naragh Branch, Islamic Azad University, Naragh , Islamic Republic of Iran

2. Department of Analytical Chemistry, Faculty of Chemistry, University of Kashan, Kashan , Islamic Republic of Iran

Abstract

Abstract LaCrO3 perovskite nanopowders were successfully prepared via a sol-gel method using stoichiometric proportion of materials containing lanthanum and chromium in stearic acid complexing agent. Structural analysis of LaCrO3 indicated an octahedral framework in its XRD pattern bearing crystallite size in the range of 28 nm. The particle sizes were confirmed by morphological scanning of the sample. The optical properties of LaCrO3 nanopowders clearly indicated an interesting optical activity of LaCrO3 in the UV and visible ranges. The degradation activation energy (Ed) was calculated from the output of a moderate thermal programming profile at about 207.97 kJ·mol-1 using Kissinger equation. Capacity, impedance and AC resistance of the perovskites was obtained at 2.970 nF, 2.522 MΩ and 16.19 MΩ, respectively.

Publisher

Walter de Gruyter GmbH

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

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