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Title: Dielectric and magnetodielectric behavior of polycrystalline Ca{sub 3}CoRhO{sub 6}, a geometrically frustrated magnetic system

We have investigated dielectric andmagnetodielectric properties of the geometrically frustrated spin -chain compound Ca{sub 3}CoRhO{sub 6}, which is known to undergo ‘partially disordered antiferromagnetic’ transition around 90 K (T{sub 1}) followed by another glassy magnetic transition around 30 K (T{sub 2}). We have observed dielectric glass behavior around 90 K, at the magnetic transition, which indicates that this behavior is predominantly magnetic in its origin. The magnetic field dependent dielectric constant in the magnetically ordered state tracks the features in isothermal magnetization thereby establishingmagnetodielectric coupling in this compound.
Authors:
; ; ;  [1]
  1. Tata Institute of Fundamental Research, HomiBhabha Road, Colaba, Mumbai-400005 (India)
Publication Date:
OSTI Identifier:
22490619
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; ANTIFERROMAGNETISM; CALCIUM COMPOUNDS; COBALT COMPOUNDS; COUPLING; DIELECTRIC MATERIALS; GLASS; MAGNETIC FIELDS; MAGNETIZATION; PERMITTIVITY; POLYCRYSTALS; RHODIUM OXIDES; SPIN