Structural, electrical and magnetic properties of La0.67Ca0.33MnO3 ceramics prepared by co-precipitation method

Abdullah Chik, and Saafie Salleh, and H. , Goh C. and Imad Hamadneh, and S. A. Halim, and Mohd Noh Dalimin, (2005) Structural, electrical and magnetic properties of La0.67Ca0.33MnO3 ceramics prepared by co-precipitation method. In: Asian Conference on Sensors/International Conference on New Techniques in Pharmaceutical and Biomedical Research, 05-07 September 2005 , Kuala Lumpur, Malaysia.

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Abstract

Structural, magnetic, and electrical properties of colossal magnetoresistance La2/3Ca1/3MnO3 perovskite prepared by co-precipitation method were studied using X-ray diffractometer, AC susceptometer and DC four point probe systems. The electrical transport studies shows the metal to insulator phase transition temperature T-P is about 276 K. The electrical transport studies of the sample also shows the typical metallic behaviour at temperature below T-P and semiconducting behaviour at temperature above T-P. The AC susceptometer studies indicates sample exhibits ferromagnetic behaviour with magnetic transition temperature about 270 K. The magnetic properties of the sample are enhanced with increasing applied field from 0.1 Oe to 10.0 Oe. The X-ray diffractometer spectrum studies for all substitution shows single phase perovskite structure with the presence of some minor impurities.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Uncontrolled Keywords: Colossal magnetorsistance
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: SCHOOL > School of Science and Technology
Depositing User: Unnamed user with email storage.bpmlib@ums.edu.my
Date Deposited: 18 Oct 2011 03:22
Last Modified: 29 Dec 2014 08:17
URI: http://eprints.ums.edu.my/id/eprint/974

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