Thumbnail
Access Restriction
Open

Author Kaushik, S. D. ♦ Sahu, B. ♦ Mohapatra, S. R. ♦ Singh, A. K.
Source United States Department of Energy Office of Scientific and Technical Information
Content type Text
Language English
Subject Keyword CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY ♦ ANTIFERROMAGNETISM ♦ CRYSTAL STRUCTURE ♦ CURIE-WEISS LAW ♦ DIELECTRIC MATERIALS ♦ DIELECTRIC PROPERTIES ♦ IMPURITIES ♦ IRON COMPOUNDS ♦ IRON TELLURIDES ♦ MAGNETIC PROPERTIES ♦ MAGNETIC SUSCEPTIBILITY ♦ MAGNETIZATION ♦ PERMITTIVITY ♦ POLYCRYSTALS ♦ SPACE GROUPS ♦ TEMPERATURE DEPENDENCE ♦ TEMPERATURE RANGE 0273-0400 K ♦ TETRAGONAL LATTICES ♦ TRANSITION TEMPERATURE ♦ X-RAY DIFFRACTION
Abstract We have investigated structural, magnetic and dielectric properties of Fe{sub 2}TeO{sub 6} which is a magnetoelectric antiferromagnet with the trirutile lattice. Rietveld analysis of room temperature X-ray diffraction data shows the phase purity of the sample with tetragonal trirutile structure (space group P4{sub 2}/mnm). The DC susceptibility measurement performed on polycrystalline powders exhibits antiferromagnetic ordering below transition temperature ~ 210K. The employment of Curie-Weiss law to inverse magnetic susceptibility only in the temperature range 350-260 K indicates the magnetic ordering starts developing before the transition temperature. The temperature dependent dielectric measurements show an intrinsic behavior of dielectric constant below 150 K while a continuous increase in dielectric constant with temperature above 150 K may be attributed to a small increase in electrical conduction, known commonly in the literatures.
ISSN 0094243X
Educational Use Research
Learning Resource Type Article
Publisher Date 2016-05-23
Publisher Place United States
Volume Number 1731
Issue Number 1


Open content in new tab

   Open content in new tab