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Title: Hydrothermal synthesis and magnetic properties of ErCrO{sub 4} nanoparticles

Homogeneous single phase ErCrO{sub 4} nanoparticles have been synthesized by a modified sol-gel followed by hydrothermal method. X-ray diffraction reveals that the compound crystallizes into tetragonal structure with space group I41/amd. The average crystallite size was estimated to be 21(1) nm. Morphological analysis of the sample confirms uniform particles of size 20 nm. DC magnetic measurements show that ErCrO{sub 4} undergoes a paramagnetic-antiferromagnetic transition at 16 K, due to the superexchange Er-O-Cr-O-Er antiferromagnetic interactions.
Authors:
; ; ; ;  [1]
  1. School of Physics, University of Hyderabad, Prof. C.R. Rao Road, Gachibowli, Hyderabad - 500046 (India)
Publication Date:
OSTI Identifier:
22269505
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1591; Journal Issue: 1; Conference: 58. DAE solid state physics symposium 2013, Patiala, Punjab (India), 17-21 Dec 2013; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
77 NANOSCIENCE AND NANOTECHNOLOGY; ANTIFERROMAGNETISM; CHROMATES; ERBIUM COMPOUNDS; HYDROTHERMAL SYNTHESIS; IRON COMPOUNDS; MAGNETIC PROPERTIES; NANOSTRUCTURES; PARAMAGNETISM; PARTICLES; PHASE TRANSFORMATIONS; SOL-GEL PROCESS; TETRAGONAL LATTICES; X-RAY DIFFRACTION