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International Journal of Scientific and Engineering Research
ISSN Online 2229-5518
ISSN Print: 2229-5518 4    
Website: http://www.ijser.org
scirp IJSER >> Volume 2, Issue 4, April 2011 Edition
Mn DOPED SnO2 Semiconducting Magnetic Thin Films Prepared by Spray Pyrolysis Method
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Author(s)
K.Vadivel, V.Arivazhagan, S.Rajesh
KEYWORDS
Mn doped SnO2, Spray Pyrolysis, XRD, UV, Electrical study.
ABSTRACT
Semiconducting magnetic thin films of SnO2 doped with Mn was prepared by spray pyrolysis method. The polycrystalline nature of the films with tetragonal structure was observed from X-ray Diffractometer. The calculated crystalline size was 16-22 nm and the lattice constant is a=4.73A◦ and c=3.17A◦. The compositional studies give the weight percentage of the used materials. The absorption edge starts with 294 nm and rise in transmittance spectra shows the nanocrystalline effect of as deposited films. The calculated band gap from the absorption coefficient is 3.25 eV which greater than the bulk band gap of Tin oxide. The electrical properties of the prepared films also reported in this paper.
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