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Vol. 26 No. 20 (2014)

Copyright (c) 2014 M. Saravanakumar1, S. Agilan2, N. Muthukumarasamy2, V. Rukkumani3, A. Marusmy2, A. Ranjitha2

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This work is licensed under a Creative Commons Attribution 4.0 International License.

Effect of Impurity Concentration on Magnetic Properties of SnO2 Nanoparticle

https://doi.org/10.14233/ajchem.2014.17418
M. Saravanakumar1
1Department of Physics, SVS College of Engineering, Coimbatore-642 109, India 2Department of Physics, Coimbatore Institute of Technology, Coimbatore- 641 014, India 3Department of Electronics and Instrumentation, Sri Ramakrishna Engineering College, Coimbatore-641 022, India *Corresponding author: Fax: +91 422 2321332; E-mail: saranspectra@gmail.com
S. Agilan2
1Department of Physics, SVS College of Engineering, Coimbatore-642 109, India 2Department of Physics, Coimbatore Institute of Technology, Coimbatore- 641 014, India 3Department of Electronics and Instrumentation, Sri Ramakrishna Engineering College, Coimbatore-641 022, India *Corresponding author: Fax: +91 422 2321332; E-mail: saranspectra@gmail.com
N. Muthukumarasamy2
1Department of Physics, SVS College of Engineering, Coimbatore-642 109, India 2Department of Physics, Coimbatore Institute of Technology, Coimbatore- 641 014, India 3Department of Electronics and Instrumentation, Sri Ramakrishna Engineering College, Coimbatore-641 022, India *Corresponding author: Fax: +91 422 2321332; E-mail: saranspectra@gmail.com
V. Rukkumani3
1Department of Physics, SVS College of Engineering, Coimbatore-642 109, India 2Department of Physics, Coimbatore Institute of Technology, Coimbatore- 641 014, India 3Department of Electronics and Instrumentation, Sri Ramakrishna Engineering College, Coimbatore-641 022, India *Corresponding author: Fax: +91 422 2321332; E-mail: saranspectra@gmail.com
A. Marusmy2
1Department of Physics, SVS College of Engineering, Coimbatore-642 109, India 2Department of Physics, Coimbatore Institute of Technology, Coimbatore- 641 014, India 3Department of Electronics and Instrumentation, Sri Ramakrishna Engineering College, Coimbatore-641 022, India *Corresponding author: Fax: +91 422 2321332; E-mail: saranspectra@gmail.com
A. Ranjitha2
1Department of Physics, SVS College of Engineering, Coimbatore-642 109, India 2Department of Physics, Coimbatore Institute of Technology, Coimbatore- 641 014, India 3Department of Electronics and Instrumentation, Sri Ramakrishna Engineering College, Coimbatore-641 022, India *Corresponding author: Fax: +91 422 2321332; E-mail: saranspectra@gmail.com

Corresponding Author(s) : M. Saravanakumar1

Asian Journal of Chemistry, Vol. 26 No. 20 (2014)

Abstract

Undoped and Mn doped SnO2 nanoparticles prepared by co-precipitation method reveal polycrystalline nature with prominent peaks along (110), (101), (211) and (310) planes. All the samples are nanocrystalline with particle size lying in the range of 4.8-5.6 nm calculated by DS formula. As prepared SnO2 nanoparticles exhibit single tetragonal crystalline phase. The HRTEM results were confirmed by the Scherrer equation using FWHM values of the main peaks in the XRD diffraction pattern. Undoped and Mn doped SnO2 synthesized successfully confirms by EDAX Spectra. UV-visible absorption and photoluminescence spectroscopy shows the recombination of electrons in singly occupied oxygen vacancies with photoexcited holes in the valence band. UV-visible absorption spectral studies showed a peak at 300 nm. Broad UV emission at 426 nm is observed in photoluminescence spectra of the films along with a blue emission when excited at 385 nm wavelength. Magnetic measurements revealed that all samples exhibit room temperature ferromagnetism, which is identified as an intrinsic characteristics. Pure SnO2 nanoparticles showed diamagnetism , SnO2 with lower Mn content show the larger magnetization and with increasing Mn content the ferro magnetization and varies retenivity and coercivity in the range of 0.002-0.014 and 122-183.

Keywords

Mn doped SnO2 nanoparticles XRD EDAX Optical properties and VSM.
Saravanakumar1, M., Agilan2, S., Muthukumarasamy2, N., Rukkumani3, V., Marusmy2, A., & Ranjitha2, A. (2014). Effect of Impurity Concentration on Magnetic Properties of SnO2 Nanoparticle. Asian Journal of Chemistry, 26(20), 6921–6925. https://doi.org/10.14233/ajchem.2014.17418
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