Abstract
Mn–ferrite nanoparticles were synthesized by thermal treatment at 800 °C of manganese and iron oxo-hydroxides obtained via water-in-oil microemulsions consisting of n-hexanol as continuous phase, cetyl trimethyl ammonium bromide (CTAB) as the cationic surfactant and aqueous solutions of metal salts and precipitant agent (tetramethyl ammonium hydroxide) as reagents. Nanoparticles were synthesized using a multi-microemulsion approach. Two different co-precipitation routes are described depending on the Fe(II) or Fe(III) precursor salts. The influence of salt concentration and digestion process on the final products was examined. The nanoparticles were characterized by X-ray diffraction accompanied by Rietveld analysis, transmission electron microscopy, thermal analysis, infrared spectroscopy, and SQUID magnetometry. In all the synthesis reported in this study MnFe2O4 was observed only after thermal treatment at 800 °C of the as-prepared precursors. Almost spherical nanocrystalline MnFe2O4 ranging from 12 to 39 nm was obtained starting from chlorides or mixed chloride–sulfate salts as precursors. Low values of reduced remanent magnetization (M r/M s) and coercive field (H c) induce to believe that a fraction of superparamagnetic particle is present at room temperature.
Similar content being viewed by others
References
Ahmad SI, Friberg S (1972) Catalysis in micellar and liquid-crystalline phases. I. System water-hexadecyltrimethylammonium bromide-hexanol. J Am Chem Soc 94:5196–5199
Alvani C, Ennas G, La Barbera A, Marongiu G, Padella F, Varsano F (2005) Synthesis and characterization of nanocrystalline MnFe2O4: advances in thermochemical water splitting. Int J Hydrog Energy 30:1407–1411
Ammar S, Helfen A, Jouini N, Fievet F, Rosenman I, Villain F, Molinie P, Danot M (2001) Magnetic properties of ultrafine cobalt ferrite particles synthesized by hydrolysis in a polyol medium. J Mater Chem 11:186–192
Babes L, Denizot B, Tanguy G, Le Jeune JJ, Jallet P (1999) Synthesis of iron oxide nanoparticles used as MRI contrast agents: a parametric study. J Colloid Interface Sci 212:474–482
Bellusci M, Canepari S, Ennas G, La Barbera A, Padella F, Santini A, Scano A, Seralessandri L, Varsano F (2007) Phase evolution in synthesis of manganese ferrite nanoparticles. J Am Ceram Soc 90:3977–3983
Carpenter EE, O’Connor J, Harris VG (1999) Atomic structure and magnetic properties of MnFe2O4 nanoparticles produced by reverse micelle synthesis. J Appl Phys 85:5175–5177
Carta D, Casula MF, Falqui A, Loche D, Mountjoy G, Sangregorio C, Corrias A (2009) A structural and magnetic investigation of the inversion degree in ferrite nanocrystals MFe2O4 (M = Mn, Co, Ni). Phys Chem C 113:8606–8615
Chen JP, Sorensen CM, Klabunde KJ, Hadjipanayis GC, Devlin E, Kostikas A (1996) Size-dependent magnetic properties of MnFe2O4 fine particles synthesized by coprecipitation. Phys Rev B 54:9288–9296
Coey JMD (1971) Noncollinear spin arrangement in ultrafine ferrimagnetic crystallites. Phys Rev Lett 27:1140–1142
Cornell RM, Schwertmann U (2000) The iron oxide in the laboratory. Wiley-VCH, NewYork
Cornell RM, Schwertmann U (1996) The iron oxide. Wiley-VCH, NewYork
Cushing BL, Kolesnichenko VL, O’Connor C (2004) Recent advances in the liquid- phase syntheses of inorganic nanoparticles. J Chem Rev 104:3893–3946
Davies KJ, Wells S, Charles SW (1993) The effect of temperature and oleate adsorption on the growth of maghemite particles. J Magn Magn Mater 122:24–28
Dormann JL, Fiorani D, Tronc E (1997) Magnetic relaxation in fine- particle systems. Advances in chemical physics. John Wiley and Sons, New York, p XCVIII
Dousma J, Den Ottelander D, De Bruyn PL (1979) The influence of sulfate ions on the formation of iron (III) oxide. J Inorg Nucl Chem 41:1565–1568
Feldmann C (2001) Preparation of nanoscale pigment particles. Adv Mater 13:1301–1303
Feldmann C (2003) Polyol-mediated synthesis of nanoscale functional materials. Adv Funct Mater 13:101–107
Feldmann C, Jungk H-O (2001) Polyol-mediated preparation of nanoscale oxide particles. Angew Chem Int Ed 40:359–362
Fiorani D, Dormann JL (1991) Conference proceedings of Rome, Italy
Gnanaprakash G, Philip J, Raj B (2007) Effect of divalent metal hydroxide solubility product on the size of ferrite nanoparticles. Mater Lett 61:4545–4548
Haneda K, Morrish AH (1988) Noncollinear magnetic structure of CoFe2O4 small particles. J Appl Phys 63:4258–4260
Harrison FW, Osmond WP, Teale RW (1957) Cation distributionand magnetic moment of manganese ferrite. Phys Rev 105:865–866
Hicks T (2004) Preparation, characterization and activity of mono-dispersed supported cataylsts. PhD. Thesis, Georgia Institute of Technology, USA
ICSD Database (Inorganic Crystal Structure Database) (2007) Karlsruhe, Germany
Jay AH, Andrews KW (1946) Composition of some binary oxide systems. J Iron Steel Inst 152:15
Jeyadevan B, Tohji K, Nakatsuka K, 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
Jolivet JP (2000) Metal oxide chemistry and synthesis. From solution to solid state. Wiley, Chichester
Jolivet JP, Chaneac C, Tronc E (2004) Iron oxides chemistry. From molecular clusters to extended solid networks. Chem Commun 5:481–487
Kodama T, Ookubo M, Miura S, Kitayama Y (1996) Synthesis and characterization of ultrafine Mn(II)-bearing ferrite of type Mn x Fe3 − x O4 by coprecipitation. Mater Res Bull 31:1501–1512
Komarneni S, Fregeau E, Breval E, Roy R (1988) Hydrothermal preparation of ultrafine ferrites and their sintering. J Am Ceram Soc 71:C-26–C28
Lee Y, Rho J, Jung B (2003) Preparation of magnetic ion-exchange resins by the suspension polymerization of styrene with magnetite. J Appl Polym Sci 89:2058–2067
Li T, Deng Y, Song X, Jin Z, Zhang Y (2003) The formation of magnetite nanoparticle in ordered system of the soybean lecithin. Bull Korean Chem Soc 24:957–960
Liu C, Zuo B, Rondinone AJ, Zhang ZJ (2000) Reverse micelle synthesis and characterization of superparamagnetic MnFe2O4 spinel ferrite nanocrystallites. J Phys Chem B 104(6):1141–1145
Lopez-Quintela AM (2003) Synthesis of nanomaterials in microemulsions: formation mechanisms and growth control. Curr Opin Colloid Interface Sci 8:137–144
Lutterotti L, Matthies S, Wenk HR (1999) MAUD: a friendly Java program for material analysis using diffraction. IUCr Newsl CPD 21:14–15
Misra RDK, Gubbala S, Kale A, Egelhoff WF Jr (2004) A comparison of the magnetic characteristics of nanocrystalline Ni, Zn, and Mn ferrites synthesized by reverse micelle technique. Mater Sci Eng 111:164–174
Morales MP, Veintemillas S, Montero MI, Serna CJ, Roig A, Casas L, Martinez B, Sandiumenge F (1999) Surface and internal spin canting in γ -Fe2O3 nanoparticles. Chem Mater 11:3058–3064
Morrish AH (1965) The physical principles of magnetism. Wiley, New York
Pankhurst QA, Connelly J, Jones SK, Dobsonb J (2003) Applications of magnetic nanoparticles in biomedicine. J Phys D 36:R167–R181
PCPDF-WIN, JCPDS- International Center for Diffraction Data (1998) Swarthome, PA
Peddis D, Mansilla MV, Morup S, Cannas C, Musinu A, Piccaluga G, Orazio F, Lucari F, Fiorani D (2008) Spin canting and magnetic anisotropy in ultrasmall CoFe2O4 nanoparticles. J Phys Chem B 112:8507–8513
Pitkethy MJ (2004) Nanomaterials—the driving force. Mater Today 7:20–29
Pileni MP (2003) Role of soft colloidal templates in the control of size and shape of inorganic nanocrystals. Nat Mater. 2:145–150
Rajamathi M, Ghosh M, Seshadri R (2002) Hydrolysis and amine-capping in a glycol solvent as a route to soluble maghemite gamma-Fe2O3 nanoparticles. Chem Commun 10:1152–1153
Seki M, Sato T, Usui S (1988) Observations of ultrafine ZnFe2O4 particles with transmission electron microscopy. J Appl Phys 63:1424–1427
Shen L, Laibinis PE, Hatton TA (1999) Bilayer surfactant stabilized magnetic fluids: synthesis and interactions at interfaces. Langmuir 15:447–453
(1997) Soft ferrites. A user’s guide, chap. 1, 2, and 6. Magnetic Materials Producers Association, Chicago, IL
Song Q, Ding Y, Wang ZL, Zhang ZJ (2007) Tunning the thermal stability of molecular precursor for the nonhydrolytic synthesis of magnetic MnFe2O4 spinel nanocrystals. Chem Mater 19:4633–4638
Tourinho FA, Franck R, Massart R (1990) Aqueous ferrofluids based on manganese and cobalt ferrites. J Mater Sci 25:3249–3254
West AR (1999) Basic solid state chemistry, 2nd edn. Wiley, New York
Young RA (1995) The Rietveld method, IUCr monographs on crystallography 5. Oxford University Press, Oxford
Zhang ZJ, Wang ZL, Chakoumakos BC, Yin JS (1998) Temperature dependence of cation distribution and oxidation state in magnetic Mn–Fe ferrite nanocrystals. J Am Chem Soc 120:1800–1804
Acknowledgment
This study was supported by MIUR (Ministero Istruzione Università e Ricerca) in the frame of TEPSI project and by Fondazione Banco di Sardegna. D. Peddis was granted by RAS (Regione Sardegna – Centro regionale di Programmazione) co-founded by PO Sardegna FSE 2007-2013 sulla L.R.7/2007 “Promozione della ricerca scientifica e dell’innovazione tecnologica in Sardegna”. We want also to thank Dr Darragh Gaffney, MSSI (Material and Surface Science Institute), University of Limerick, Ireland, for helpful discussion.
Author information
Authors and Affiliations
Corresponding author
Electronic supplementary material
Below is the link to the electronic supplementary material.
Rights and permissions
About this article
Cite this article
Scano, A., Ennas, G., Frongia, F. et al. Mn–ferrite nanoparticles via reverse microemulsions: synthesis and characterization. J Nanopart Res 13, 3063–3073 (2011). https://doi.org/10.1007/s11051-010-0205-y
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s11051-010-0205-y