MSCE  Vol.3 No.12 , December 2015
Direct Preparation of the Nanocrystalline MnZn Ferrites by Using Oxalate as Precipitant
ABSTRACT

Oxalate was generally used as a precipitant for synthesis of MnZn ferrites during the co-precipitation process. However, the MnZn ferrite couldn’t be directly obtained and a calcination process was needed. In this research, we reported a direct preparation of the MnZn ferrite nanoparticles by using co-precipitation method, together with refluxing process. XRD measurements proved that crystallite size of the obtained samples increased with an increase in pH value of the co-precipitation solution, and that the crystallite size of about 25 nm was obtained for the sample at a pH of 13. This sample showed the maximum Ms of 58.6 emu/g, which was about one times larger than that of 12 (pH value). Calcination to the obtained samples result in an enlargement in their crystal size and an improvement in their magnetic properties with an increase in temperatures. The samples calcinated in CO2 + H2 atmosphere presented good stability, and the maximum Ms value of 188.2 emu/g was obtained for the 1100C-heated sample. Unfortunately, precipitation of some Fe2O3 at 800C suggested poor stability of the nanocrystalline MnZn ferrite in N2 atmosphere.

 


Cite this paper
Hua, F. , Yin, C. , Zhang, H. , Suo, Q. , Wang, X. , Peng, H. (2015) Direct Preparation of the Nanocrystalline MnZn Ferrites by Using Oxalate as Precipitant. Journal of Materials Science and Chemical Engineering, 3, 23-29. doi: 10.4236/msce.2015.312005.
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[17]   Ghodake, S.A., Ghodake, U.R., Sawant, S.R., Suryavanshi, S.S. and Bakare, P.P. (2006) Magnetic Properties of NiCuZn Ferrites Synthesized by Oxalate Precursor Method. J. Magn. Magn. Mater., 305, 110-119. http://dx.doi.org/10.1016/j.jmmm.2005.11.041

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[19]   Cao, X., Liu, G., Wang, Y., Li, J.H. and Hong, R. (2010) Preparation of Octahedral Shaped Mn0.8Zn0.2Fe2O4 Ferrites via Co-Precipitation. J. Alloys Compd., 497, L9-L12. http://dx.doi.org/10.1016/j.jallcom.2010.03.011

[20]   Arulmurugana, R., Vaidyanathana, G., Sendhilnathanb, S. And Jeyadevan, B. (2006) Mn-Zn Ferrite Nanoparticles for Ferrofluid Preparation: Study on Thermal-Magnetic Properties. J Magn Magn Mater, 298, 83-94. http://dx.doi.org/10.1016/j.jmmm.2005.03.002

[21]   Meng, Y.Y., Liu, Z.W., Dai, H.C., Yu, H.Y., Zeng, D.C., Shukla, S. and Ramanujan, R.V. (2012) Structure and Magnetic Properties of Mn(Zn)Fe2?xRExO4 Ferrite Nano-Powders Synthesized by Co-Precipitation and Refluxing Method. Powder Technol., 229, 270-275. http://dx.doi.org/10.1016/j.powtec.2012.06.050

[22]   Angermann, A., T?pfer, J., Silva, K.L. and Becker, K.D. (2010) Nanocrystalline Mn-Zn Ferrites from Mixed Oxalates: Synthesis, Stability and Magnetic Properties. J. Alloys Compd., 508, 433-439. http://dx.doi.org/10.1016/j.jallcom.2010.08.083

[23]   Narasimhan, B.R.V., Prabhakar, S., Manohar, P. and Gnanam, F.D. (2002) Synthesis of Gamma Ferric Oxide by Direct Thermal Decomposition of Ferrous Carbonate. Mater. Lett., 52, 295-300. http://dx.doi.org/10.1016/S0167-577X(01)00409-8

[24]   Szczygiel, I., Winiarska, K., Bieńko, A., Suracka, K. and Koniarek, G.D. (2014) The Effect of the Sol-Gel Autocom- bustion Synthesis Conditions on the Mn-Zn Ferrite Magnetic Properties. J. Alloys Compd., 604, 1-7. http://dx.doi.org/10.1016/j.jallcom.2014.03.109

[25]   Hu, P., Yang, H.B., Pan, D.A., Wang, H., Tian, J.J., Zhang, S.G., Wang, X.F. and Volinsky, A.A. (2010) Heat Treatment Effects on Microstructure and Magnetic Properties of Mn-Zn Ferrite Powders. J. Magn. Magn. Mater., 322, 173- 177. http://dx.doi.org/10.1016/j.jmmm.2009.09.002

[26]   Waqas, H. and Qureshi, A.H. (2010) Low Temperature Sin-tering Study of Nanosized Mn-Zn Ferrites Synthesized by Sol-Gel Auto Combustion Process. J. Therm. Anal. Calorim., 100, 529-535. http://dx.doi.org/10.1007/s10973-009-0590-6

[27]   ?epelak, V., Heitjans, P. and Becker, K.D. (2007) Nanoscale Spinel Ferrites Prepared by Mechanochemical Route. J. Therm. Anal. Calorim., 90, 93-97. http://dx.doi.org/10.1007/s10973-007-8481-1

[28]   Sharifi, I., Shokrollahi, H. and Amiri, S. (2012) Ferrite-Based Magnetic Nanofluids Used in Hyperthermia Applications. J. Magn. Magn.Mater., 324, 903-915. http://dx.doi.org/10.1016/j.jmmm.2011.10.017

[29]   Zhang, C.F., Zhong, X.C., Yu, H.Y., Liu, Z.W. and Zeng, D.C. (2009) Effects of Cobalt Doping on the Microstructure and Magnetic Properties of Mn-Zn Ferrites Prepared by the Co-Precipitation Method. Physica B: Condensed Matter, 404, 2327-2331. http://dx.doi.org/10.1016/j.physb.2008.12.044

[30]   Isfahani, M.J.N., Myndyk, M., Menzel, D., Feldhoff, A., Amighian, J. and ?epelak, V. (2009) Magnetic Properties of Nanostructured MnZn Ferrite. J. Magn. Magn. Mater., 321,152-156. http://dx.doi.org/10.1016/j.jmmm.2008.08.054

[31]   Kadu, A.V., Jagtap, S.V. and Chaudhari, G.N. (2009) Studies on the Preparation and Ethanol Gas Sensing Properties of Spinel Zn0.6Mn0.4Fe2O4 Nanomaterials. Curr. Appl. Phys., 9, 1246-1251. http://dx.doi.org/10.1016/j.cap.2009.02.001

[32]   Jeyadevan, B., Tohji, K., Nakatsuka, K. and Narayanasamy, A. (2000) Irregular Distribution of Metal Ions in Ferrites Prepared by Co-Precipitation Technique Structure Analysis of Mn-Zn Ferrite Using Extended X-Ray Absorption Fine Structure. J. Magn. Magn. Mater., 217, 99-105. http://dx.doi.org/10.1016/S0304-8853(00)00108-6

[33]   Venkataraju, C., Sathishkumar, G. And Sivakumar, K. (2010) Effect of Nickel on the Electrical Properties of Nanostructured MnZn Ferrite. J. Alloys Compd., 498, 203-206. http://dx.doi.org/10.1016/j.jallcom.2010.03.160

[34]   Iqbal, M.A., Islam, M.U., Ali, I., Kan, H.M., Mustafa, G. and Ali, I. (2013) Study of Electrical Transport Properties of Eu +3 Substituted MnZn-Ferrites Synthesized by Co-Precipitation Technique. Ceram. Int., 39, 1539-1545. http://dx.doi.org/10.1016/j.ceramint.2012.07.104

[35]   Fan, J.W. and Sale, F.R. (1996) Analysis of Power Loss on Mn-Zn Ferrites Prepared by Different Processing Routes. IEEE Trans. Magn., 32, 4854-4856. http://dx.doi.org/10.1109/20.539174

[36]   Azadmanjiri, J. (2007) Preparation of Mn-Zn Ferrite Nanoparticles from Chemical Sol-Gel Combustion Method and the Magnetic Properties after Sintering. J. Non-Cryst. Solids, 353, 4170-4173. http://dx.doi.org/10.1016/j.jnoncrysol.2007.06.046

[37]   Rozman, M. and Drofenik, M. (1995) Hydrothermal Synthesis of Manganese Zinc Ferrites. J. Am. Ceram. Soc., 78, 2449-2455. http://dx.doi.org/10.1111/j.1151-2916.1995.tb08684.x

[38]   Yener, D.O. (1988) Synthesis of Pure and Manganese-, Nickel-, and Zinc-Doped Ferrite Particles in Water-in-Oil Microemulsions. J. Am. Ceram. Soc., 84, 1987-1995. http://dx.doi.org/10.1111/j.1151-2916.2001.tb00947.x

[39]   Mathew, D.S. and Juang, R.S. (2007) An Overview of the Structure and Magnetism of Spinel Ferrite Nanoparticles and Their Synthesis in Microemulsions. Chem. Eng. J., 129, 51-65. http://dx.doi.org/10.1016/j.cej.2006.11.001

[40]   Angermann, A. and T?pfer, J. (2011) Synthesis of Nanocrys-talline Mn-Zn Ferrite Powders through Thermolysis of Mixed Oxalates. Ceram. Int., 37, 995-1002. http://dx.doi.org/10.1016/j.ceramint.2010.11.019

[41]   Ghodake, S.A., Ghodake, U.R., Sawant, S.R., Suryavanshi, S.S. and Bakare, P.P. (2006) Magnetic Properties of NiCuZn Ferrites Synthesized by Oxalate Precursor Method. J. Magn. Magn. Mater., 305, 110-119. http://dx.doi.org/10.1016/j.jmmm.2005.11.041

[42]   Fritsch, S.G., Viguié, S. and Rousser, A. (1999) Structure of Highly Divided Nonstoichiometric Iron Manganese Oxide Powders Fe3?xMnx□3δ/4O4+δ. J. Solid State Chem., 146, 245-252. http://dx.doi.org/10.1006/jssc.1999.8345

[43]   Cao, X., Liu, G., Wang, Y., Li, J.H. and Hong, R. (2010) Preparation of Octahedral Shaped Mn0.8Zn0.2Fe2O4 Ferrites via Co-Precipitation. J. Alloys Compd., 497, L9-L12. http://dx.doi.org/10.1016/j.jallcom.2010.03.011

[44]   Arulmurugana, R., Vaidyanathana, G., Sendhilnathanb, S. And Jeyadevan, B. (2006) Mn-Zn Ferrite Nanoparticles for Ferrofluid Preparation: Study on Thermal-Magnetic Properties. J Magn Magn Mater, 298, 83-94. http://dx.doi.org/10.1016/j.jmmm.2005.03.002

[45]   Meng, Y.Y., Liu, Z.W., Dai, H.C., Yu, H.Y., Zeng, D.C., Shukla, S. and Ramanujan, R.V. (2012) Structure and Magnetic Properties of Mn(Zn)Fe2?xRExO4 Ferrite Nano-Powders Synthesized by Co-Precipitation and Refluxing Method. Powder Technol., 229, 270-275. http://dx.doi.org/10.1016/j.powtec.2012.06.050

[46]   Angermann, A., T?pfer, J., Silva, K.L. and Becker, K.D. (2010) Nanocrystalline Mn-Zn Ferrites from Mixed Oxalates: Synthesis, Stability and Magnetic Properties. J. Alloys Compd., 508, 433-439. http://dx.doi.org/10.1016/j.jallcom.2010.08.083

[47]   Narasimhan, B.R.V., Prabhakar, S., Manohar, P. and Gnanam, F.D. (2002) Synthesis of Gamma Ferric Oxide by Direct Thermal Decomposition of Ferrous Carbonate. Mater. Lett., 52, 295-300. http://dx.doi.org/10.1016/S0167-577X(01)00409-8

[48]   Szczygiel, I., Winiarska, K., Bieńko, A., Suracka, K. and Koniarek, G.D. (2014) The Effect of the Sol-Gel Autocom- bustion Synthesis Conditions on the Mn-Zn Ferrite Magnetic Properties. J. Alloys Compd., 604, 1-7. http://dx.doi.org/10.1016/j.jallcom.2014.03.109

 
 
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