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Title: Observation of ferromagnetism in Mn doped KNbO{sub 3}

Pure and Mn doped KNbO{sub 3} have been prepared by ball milling assisted ceramic method. Mn ion had been doped at Nb site to induce ferromagnetism at room temperature. X-ray diffraction (XRD) patterns reveal the formation of orthorhombic phase. High resolution scanning electron micrograph (HR-SEM) of both pure and Mn doped samples show a mixture of spherical and plate like particles. Room temperature magnetic behavior of both the samples were analyzed using vibrating sample magnetometer (VSM). 5% Mn doped KNbO{sub 3} exhibits ferromagnetic behavior. Observed ferromagnetic feature has been explained by interactions between bound magnetic polarons which are created by Mn{sup 4+} ions.
Authors:
;  [1]
  1. Department of Nuclear Physics, University of Madras, Guindy Campus, Chennai – 600025 (India)
Publication Date:
OSTI Identifier:
22490577
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1665; Journal Issue: 1; Conference: 59. DAE solid state physics symposium 2014, Tamilnadu (India), 16-20 Dec 2014; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; CERAMICS; DOPED MATERIALS; ELECTRON SCANNING; FERROMAGNETISM; MANGANESE IONS; NIOBATES; ORTHORHOMBIC LATTICES; POLARONS; POTASSIUM COMPOUNDS; SCANNING ELECTRON MICROSCOPY; TEMPERATURE RANGE 0273-0400 K; VIBRATING SAMPLE MAGNETOMETERS; X-RAY DIFFRACTION