Structural and electrical properties of magnetic ceramics of Co_1−xCu_xFe₂O₄ spinel nanoferrites

References

• Willard MA, Kurihara LK, Carpenter EE, Calvin S, Harris VG: ‘Chemically prepared magnetic nanoparticles’, Int. Mater. Rev., 2004, 49, 125–170.
   Web of Science ®Google Scholar
• Greenwood NN, Earnshaw A: ‘Chemistry of the elements’; 1984, Oxford, Pergamon Press Ltd.
   Google Scholar
• Pant P, Bhuvaneswari S, Ghosh NN: ‘Chemical methodologies for preparation of micron and nanometer scale ferrites – a mini review of patents’, Recent Pat. Nanotechnol., 2008, 2, 8–18.
   PubMed Web of Science ®Google Scholar
• Kasapoglu N, Baykal A, Koseoglub Y, Toprak MS: ‘Microwave-assisted combustion synthesis of CoFe2O4 with urea, and its magnetic characterization’, Scr. Mater., 2007, 57, 441–444.
   Web of Science ®Google Scholar
• Bid S, Pradhan SK: ‘Preparation of zinc ferrite by high-energy ball-milling and microstructure characterization by Rietveld’s analysis’, Mater. Chem. Phys., 2003, 82, 27–37.
   Web of Science ®Google Scholar
• Mahmoud MH, Hamdeh HH, Ho JC, O’Shea MJ, Walker JC: ‘Mössbauer studies of manganese ferrite fine particles processed by ball-milling’, J. Magn. Magn. Mater., 2000, 220, 139–146.
   Web of Science ®Google Scholar
• Lee SW, Ryu YG, Yang KJ, K.-DJung, An SY, Kim CS: ‘Magnetic properties of Zn2+ substituted ultrafine Co-ferrite grown by a sol–gel method’, J. Appl. Phys., 2002, 91, 7610–7612.
   Web of Science ®Google Scholar
• Carpenter EE, O’ Connor CJ, Harris VG: ‘Atomic structure and magnetic properties of MnFe2O4 nanoparticles produced by reverse micelle synthesis’, J. Appl. Phys., 1999, 85, 5175–5177.
   Web of Science ®Google Scholar
• Arulmurugan R, Jeyadevan B, Vaidyanathan G, Sendhilnathan S: ‘Effect of zinc substitution on Co–Zn and Mn–Zn ferrite nanoparticles prepared by co-precipitation’, J. Magn. Magn. Mater., 2005, 288, 470–477.
   Web of Science ®Google Scholar
• Gee SH, Hong YK, Erickson DW, Park MH, Sur JC: ‘Synthesis and aging effect of spherical magnetite (Fe3O4) nanoparticles for biosensor applications’, J. Appl. Phys., 2003, 93, 7560–7562.
   Web of Science ®Google Scholar
• Gul IH, Maqsood A: ‘Structural, magnetic and electrical properties of cobalt ferrites prepared by the sol–gel route’, J. Alloys Compd, 2008, 465, 227–231.
   Web of Science ®Google Scholar
• Gul IH, Maqsood A, Naeem M, Ashiq MA: ‘Optical, magnetic and electrical investigation of cobalt ferrite nanoparticles synthesized by co-precipitation route’, J. Alloys Compd, 2010, 507, 201–206.
   Web of Science ®Google Scholar
• Srivastava P, Kapoor IPS, Singh G: ‘Nanoferrites: preparation, characterization and catalytic activity’, J. Alloys Compd, 2009, 485, 88–92.
   Web of Science ®Google Scholar
• Liahira P, Sengupta SK: ‘Spinel ferrites as catalysts: a study on catalytic effect of coprecipitated ferrites on hydrogen peroxide decomposition’, Can. J. Chem., 1991, 69, 33–36.
   Web of Science ®Google Scholar
• Mathew T, Shiju NR, Sreekumar K, Rao BS, Gopinath CS: ‘Cu–Co synergism in Cu1−xCoxFe2O4—catalysis and XPS aspects’, J. Catal., 2002, 210, 405–417.
   Web of Science ®Google Scholar
• Saadi S, Bouguelia A, Trari M: ‘Photoassisted hydrogen evolution over spinel CuM2O4 (M = Al, Cr, Mn, Fe and Co)’, Renewable Energy, 2006, 31, 2245–2256.
   Web of Science ®Google Scholar
• Sreekumar K, Jyothi TM, Mathew T, Talawar MB, Sugunan S, Rao BS: ‘Selective N-methylation of aniline with dimethyl carbonate over Zn1−xCoxFe2O4 (x = 0, 0.2, 0.5, 0.8 and 1.0) type systems’, J. Mol. Catal. A, 2000, 159A, 327–334.
   Web of Science ®Google Scholar
• Verwey EJW, Heilmann EL: ‘Physical properties and cation arrangements of oxides with spinel structures, I. Cation arrangements in spinels’, J. Chem. Phys., 1947, 15, 174–180.
   Web of Science ®Google Scholar
• Ahmed MA: ‘Electrical properties of Co–Zn ferrites’, Phys. Stat. Solidi, 1989, 111, 567–572.
   Web of Science ®Google Scholar
• Arulmurugan R, Vaidyanathan G, Sendhilnathan S, Jeyadevan B: ‘Co–Zn ferrite nanoparticles for ferrofluid preparation: study on magnetic properties’, Physica B 2005, 363B, 225–231.
   Web of Science ®Google Scholar
• Ahmed YMZ, Hessien MM, Rashad MM, Ibrahim IA: ‘Nano-crystalline copper ferrites from secondary iron oxide (mill scale)’, J. Magn. Magn. Mater., 2009, 321, 181–187.
   Web of Science ®Google Scholar
• Zinovik EV, Zinovik MA: Powder Metall. Met. Ceram., 2005, 44, 481–488.
   Web of Science ®Google Scholar
• Sun S, Murray CB, Weller D, Folks L, Moser A: ‘Monodisperse FePt nanoparticles and ferromagnetic FePt nanocrystal superlattices’, Science 2000, 287, 1989–1992.
   PubMed Web of Science ®Google Scholar
• Goldman A: ‘Modern ferrite technology’, 2nd edn; 2005, New York, Springer.
   Google Scholar
• Misra RDK, Kale A, Srivatsava RS, Senkov O: ‘Synthesis of nanocrystalline nickel and zinc ferrites by microemulsion technique’, Mater. Sci. Technol., 2003, 19, 826–830.
   Web of Science ®Google Scholar
• Shultz MD, Calvin S, Fatouros PP, Morrison SA: ‘Enhanced ferrite nanoparticles as MRI contrast agents’, J. Magn. Magn. Mater., 2007, 311, 464–468.
   Web of Science ®Google Scholar
• Ashiq MN, Saleem S, Malana MA, Rehman A.-U: ‘Physical, electrical and magnetic properties of nanocrystalline Zr–Ni doped Mn-ferrite synthesized by the co-precipitation method’, J. Alloys Compd, 2009, 486, 640–644.
   Web of Science ®Google Scholar
• Ajmal M, Shah NA, Maqsood A, Awan MS, Arif M: ‘Influence of sintering time on the structural, electrical and magnetic properties of polycrystalline Cu0.6Zn0.4Fe2O4 ferrites’, J. Alloys Compd, 2010, 508, 226–232.
   Web of Science ®Google Scholar
• Smit J, Wijin HPJ: ‘Ferrites’, 233; 1959, New York, Wiley.
   Google Scholar
• Barakat MM, Henaish MA, Olofa SA, Twafik A: ‘Sintering behaviour of the spinel ferrite system Ni0.65Zn0.35Fe2−xCuxO4’, J. Therm. Anal. Calorim., 1991, 37, 241–248.
   Web of Science ®Google Scholar
• Ravinder D, Kumar KV: ‘Dielectric behaviour of erbium substituted Mn–Zn ferrites’, Bull. Mater. Sci. 2001, 24, 505–509.
   Web of Science ®Google Scholar
• Dey S, Ghose J: ‘Synthesis and characterization and magnetic studies on nanocrystalline Co0.2Zn0.8Fe2O4’, Mater. Res. Bull., 2003, 38, 1653–1660.
   Web of Science ®Google Scholar
• Lv W.-Z, Liu B, Luo Z.-K, Ren X.-Z, Zhang P.-X: ‘XRD studies on the nanosized copper ferrite powders synthesized by sonochemical method’, J. Alloys Compd, 2008, 465, 261–264.
   Web of Science ®Google Scholar
• Cullity BD: ‘Elements of X-ray diffraction’; 1956, Reading, MA, Addison-Wesley Pub. Co. Inc.
   Google Scholar
• Devan RS, Kolekar YD, Chougule BK: ‘Effect of cobalt substitution on the properties of nickel–copper ferrite’, J. Phys. Condens. Matter, 2006, 18, 9809–9821.
   Web of Science ®Google Scholar
• Ashrafizadeh A, Ghasemi A, Paesano A, Machado CFC, Liua X, Morisako A: ‘Structural and magnetic properties of CuxMg0.5−xZn0.5Fe2O4 (x = 0–0.5) particles’, J. Alloys Compd, 2010, 506, 279–284.
   Web of Science ®Google Scholar
• El Hiti MA: ‘DC conductivity for ZnxMg0.8−xNi0.2Fe2O4 ferrites’, J. Magn. Magn. Mater., 1994, 136, 138–142.
   Web of Science ®Google Scholar
• Irvine JTS, Huanosta A, Valenzuela R, West AR: ‘Electrical properties of polycrystalline nickel–zinc ferrites’, J. Am. Ceram. Soc., 1990, 73, 729–732.
   Web of Science ®Google Scholar
• Brabers AM: ‘Infrared spectra of cubic and tetragonal manganese ferrites’, Phys. Stat. Solidi, 1969, 33, 563–572.
   Web of Science ®Google Scholar
• Kavas H, Baykal A, Toprak MS, Koseoglu Y, Sertkol M, Aktas B: ‘Cation distribution and magnetic properties of Zn doped NiFe2O4 nanoparticles synthesized by PEG-assisted hydrothermal route’, J. Alloys Compd, 2009, 479, 49–55.
   Web of Science ®Google Scholar
• Hessien MM, Rashad MM, El-Barawy K, Ibrahim IA: ‘Influence of manganese substitution and annealing temperature on the formation, microstructure and magnetic properties of Mn–Zn ferrites’, J. Magn. Magn. Mater., 2008, 320, 1615–1621.
   Web of Science ®Google Scholar
• Maxwell JC: ‘Electricity and magnetism’, Vol. 1, Section 328; 1929, Oxford, Oxford University Press.
   Google Scholar
• Wagner KW: ‘Zur Theorie der unvollkommenen Dielektrika’, Annalen der Physik, 1913, 40, 817–855.
   Google Scholar
• Koops CG: ‘On the dispersion of resistivity and dielectric constant of some semiconductors at audiofrequencies’, Phys. Rev., 1951, 83, 121–124.
   Web of Science ®Google Scholar
• Kharabe RG, Devan RS, Kanamadi CM, Chougule BK: ‘Dielectric properties of mixed Li–Ni–Cd ferrites’, Smart Mater. Struct., 2006, 15, N36–N39.
   Web of Science ®Google Scholar
• Latha K, Mohan KS, Ravinder D: ‘Dielectric behaviour of mixed Mn–Zn ferrites’, Phys. Stat. Solidi A, 1994, 142A, K103–K106.
   Web of Science ®Google Scholar
• Shaikh AM, Bellad SS, Chougule BK: ‘Temperature and frequency-dependent dielectric properties of Zn substituted Li–Mg ferrites’, J. Magn. Magn. Mater., 1999, 195, 384–390.
   Web of Science ®Google Scholar
• Klinger MI: ‘Two-phase polaron model of conduction in magnetite-like solids’, J. Phys. C, 1975, 8C, 3595–3607.
   Web of Science ®Google Scholar