Structural and paramagnetic behavior of spinel NiCr2O4 nanoparticles synthesized by thermal treatment method: effect of calcination temperature
Spinel nickel chromite nanoparticles were synthesized using a simple thermal treatment method. The effect of calcination temperatures on the final properties of obtained materials was carefully examined using various characterization techniques.The infrared spectra of nickel chromite (NiCr2O4) revea...
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Elsevier
2014
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my.upm.eprints.523062017-06-05T05:41:44Z http://psasir.upm.edu.my/id/eprint/52306/ Structural and paramagnetic behavior of spinel NiCr2O4 nanoparticles synthesized by thermal treatment method: effect of calcination temperature Abu Bakar, Syuhada Soltani, Nayereh Mat Yunus, Wan Mahmood Saion, Elias Bahrami, Afarin Spinel nickel chromite nanoparticles were synthesized using a simple thermal treatment method. The effect of calcination temperatures on the final properties of obtained materials was carefully examined using various characterization techniques.The infrared spectra of nickel chromite (NiCr2O4) revealed the characteristic bonds of metal–oxygen for Nisingle bondO and Crsingle bondO bands around 600 and 470 cm−1, respectively. The powder X-ray diffraction patterns exhibited the formation of normal spinel phase of NiCr2O4 in the calcination process at temperature between 550 and 850 °C. From transmission electron micrographs, nanosized particles with average size of ~7–64 nm were observed at calcination temperatures of 550–850 °C, respectively. The calcined samples at 750 and 850 °C exhibited paramagnetic behavior with g-factor values of 1.92 and 2.15, peak-to-peak line width of 25.59 and 117.02 Oe and resonance magnetic field of 342.04 and 306.49 Oe, respectively. Variation in the value of g-factor, peak-to-peak line width and resonance magnetic field can be attributed to the dipole–dipole and super exchange interactions. Elsevier 2014 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/52306/1/Structural%20and%20paramagnetic%20behavior%20of%20spinel%20NiCr2O4%20nanoparticles%20synthesized%20by%20thermal%20treatment%20method%20effect%20of%20calcination%20temperature.pdf Abu Bakar, Syuhada and Soltani, Nayereh and Mat Yunus, Wan Mahmood and Saion, Elias and Bahrami, Afarin (2014) Structural and paramagnetic behavior of spinel NiCr2O4 nanoparticles synthesized by thermal treatment method: effect of calcination temperature. Solid State Communications, 192. pp. 15-19. ISSN 0038-1098; ESSN: 1879-2766 http://www.sciencedirect.com/science/article/pii/S0038109814001859 10.1016/j.ssc.2014.05.002 |
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Spinel nickel chromite nanoparticles were synthesized using a simple thermal treatment method. The effect of calcination temperatures on the final properties of obtained materials was carefully examined using various characterization techniques.The infrared spectra of nickel chromite (NiCr2O4) revealed the characteristic bonds of metal–oxygen for Nisingle bondO and Crsingle bondO bands around 600 and 470 cm−1, respectively. The powder X-ray diffraction patterns exhibited the formation of normal spinel phase of NiCr2O4 in the calcination process at temperature between 550 and 850 °C. From transmission electron micrographs, nanosized particles with average size of ~7–64 nm were observed at calcination temperatures of 550–850 °C, respectively. The calcined samples at 750 and 850 °C exhibited paramagnetic behavior with g-factor values of 1.92 and 2.15, peak-to-peak line width of 25.59 and 117.02 Oe and resonance magnetic field of 342.04 and 306.49 Oe, respectively. Variation in the value of g-factor, peak-to-peak line width and resonance magnetic field can be attributed to the dipole–dipole and super exchange interactions. |
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Abu Bakar, Syuhada Soltani, Nayereh Mat Yunus, Wan Mahmood Saion, Elias Bahrami, Afarin |
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Abu Bakar, Syuhada Soltani, Nayereh Mat Yunus, Wan Mahmood Saion, Elias Bahrami, Afarin Structural and paramagnetic behavior of spinel NiCr2O4 nanoparticles synthesized by thermal treatment method: effect of calcination temperature |
author_facet |
Abu Bakar, Syuhada Soltani, Nayereh Mat Yunus, Wan Mahmood Saion, Elias Bahrami, Afarin |
author_sort |
Abu Bakar, Syuhada |
title |
Structural and paramagnetic behavior of spinel NiCr2O4 nanoparticles synthesized by thermal treatment method: effect of calcination temperature |
title_short |
Structural and paramagnetic behavior of spinel NiCr2O4 nanoparticles synthesized by thermal treatment method: effect of calcination temperature |
title_full |
Structural and paramagnetic behavior of spinel NiCr2O4 nanoparticles synthesized by thermal treatment method: effect of calcination temperature |
title_fullStr |
Structural and paramagnetic behavior of spinel NiCr2O4 nanoparticles synthesized by thermal treatment method: effect of calcination temperature |
title_full_unstemmed |
Structural and paramagnetic behavior of spinel NiCr2O4 nanoparticles synthesized by thermal treatment method: effect of calcination temperature |
title_sort |
structural and paramagnetic behavior of spinel nicr2o4 nanoparticles synthesized by thermal treatment method: effect of calcination temperature |
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Elsevier |
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2014 |
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http://psasir.upm.edu.my/id/eprint/52306/1/Structural%20and%20paramagnetic%20behavior%20of%20spinel%20NiCr2O4%20nanoparticles%20synthesized%20by%20thermal%20treatment%20method%20effect%20of%20calcination%20temperature.pdf http://psasir.upm.edu.my/id/eprint/52306/ http://www.sciencedirect.com/science/article/pii/S0038109814001859 |
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