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M. C. RAO1,* , K. RAVINDRANADH1, R. V. S. S. N. RAVIKUMAR2
- Department of Physics, Andhra Loyola College, Vijayawada-520008, India
- Department of Physics, Acharya Nagarjuna University, Nagarjuna Nagar-522510, India
In the present study, Fe3+ doped SnO2 thin films were synthesized by chemical spray pyrolysis method. The as-prepared samples were characterized by powder X-ray diffraction (XRD), optical and electron paramagnetic resonance (EPR) studies to collect the information about the crystal structure and the local site symmetry of doped Fe3+ ions in the SnO2 lattice. The powder XRD data revealed that the crystal structure belongs to a tetragonal rutile phase of SnO2 and its lattice cell parameters were evaluated. The average crystallite size was found to be around 23 nm. The EPR spectrum revealed a resonance signal at around g = 2.07, which can be ascribed to iron ions into the host lattice at a distorted octahedral site symmetry and also confirmed from the optical absorption studies ..
SnO2, Thin films, Spray pyrolysis, Powder X-ray diffraction, Optical and EPR.
Submitted at: Dec. 10, 2016
Accepted at: April 5, 2018
M. C. RAO, K. RAVINDRANADH, R. V. S. S. N. RAVIKUMAR, Optical and EPR studies of Fe3+ doped tin oxide thin films by spray pyrolysis, Journal of Optoelectronics and Advanced Materials Vol. 20, Iss. 3-4, pp. 159-162 (2018)
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