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Title: Synthesis of coaxial CoFe{sub 2}O{sub 4} - K{sub 0.5}Na{sub 0.5}NbO{sub 3} nanotubes by sol-gel technique using inexpensive templates

A modified sol-gel method was introduced by employing a cost effective novel template to synthesize coaxial one dimensional (1-D) composite nanostructures based on CoFe{sub 2}O{sub 4} (CFO) - K{sub 0.5}Na{sub 0.5}NbO{sub 3} (KNN) and magnetic nanostructures based on CoFe{sub 2}O{sub 4} (CFO). The studies with scanning electron microscopy (SEM) and atomic force microscopy (AFM) revealed that the composite material is characterized by the 1-D tubular structure. The absorption edge is blue shifted for both KNN and CFO nanotubes due to the lattice strain effect.
Authors:
; ;  [1] ; ;  [2]
  1. Department of Physics, Central University of Kerala, Kasaragod, Kerala - 671314 (India)
  2. Department of Physics, Cochin University of Science and Technology, Cochin, Kerala –682022 (India)
Publication Date:
OSTI Identifier:
22490622
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; ABSORPTION; ATOMIC FORCE MICROSCOPY; COBALT COMPOUNDS; COBALT OXIDES; COMPOSITE MATERIALS; FERRITES; NANOTUBES; NIOBATES; POTASSIUM COMPOUNDS; SCANNING ELECTRON MICROSCOPY; SODIUM COMPOUNDS; SOL-GEL PROCESS; STRAINS; SYNTHESIS