ABSTRACT Cu-Zn ferrite with general formula of Cu1-xZnxFe2 O4 with a range from x = 0.0 to 0.7 (in steps of 0.1) was prepared by using standard ceramic techniques. The confirmation of sin-gle-phase formation was carried out by employing X-ray diffraction technique. Some of the magnetic properties were measured, such as Curie temperature, the complex permeability and low field hysteresis loop. It was found that Curie temperature Tc decreases from 464?C to 20?C. The real part of initial permeability, μ′ in-crease with increasing Zn contents up to x = 0.5 after that it decreases with higher Zn content. Low field hysteresis measurement was carried out at room temperature and this measurement with the increase of Zn2+ ions yields the increase of saturation magnetic induction (By) and magnetic remanance (Br) up to x = 0.4 thereafter it decreases. The decrease in corecivity (Hc) and hysteresis loss is observed for all samples. In view of this, the possible changes in magnetic properties with the increase in Zn concentration are un-dertaken.
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S. Akhter, D. Paul, M. Hakim, S. Akhter, S. Hoque and H. Das, "Magnetic Properties of Cu1-xZnxFe2 O4Ferrites with the Variation of Zinc Concen-tration," Journal of Modern Physics, Vol. 3 No. 5, 2012, pp. 398-403. doi: 10.4236/jmp.2012.35055.
 S. A. Patil, S. M. Otari, V. C. Mahajan, M. G. Patil, A. B. Patil, M. K. Soudagar, B. L. Patil and S. R. Sawant, “Structural, IR and Magnetisation Studies on La3+ Substituted Copper Ferrite,” Solid State Communication, Vol. 78, No. 1, 1991, pp. 39-42.
E. E. Riches, “A Review of Materials and Applications,” Mills and Boon, London, 1972.
S. C. Byeon, K. S. Gong, J. G. Park and W. N. Kang, “Origin of the Increase in Resistivity of Manganese-Zinc Ferrite Polycrystals with Oxygen Partial Pressure,” Journal of Applied Physics, Vol. 81, No. 12, 1997, pp. 7835- 7941. doi:10.1063/1.365393
M. Brofonik, A. Znidarsic and I. Zajc, “Highly Resistive Grain Boundaries in Doped Mn Zn Ferrites for High Frequency Power Supplies,” Journal of Applied Physics, Vol. 82, No. 1, 1997, p. 333.
D. Ravinder, “Electrical Transport Properties of Cadmium Substituted Copper Ferrites,” Materials Letters, Vol. 43, No. 3, 2000, pp. 129-138.
K. Vijaya Kumar and D. Ravinder, “Electrical Conductivity of Ni-Zn-Gd Ferrites,” Materials Letters, Vol. 52, No. 3, 2002, pp. 166-168.
J. B. Nelson and D. P. Riley, “An Experimental Investigation of Extrapolation Methods in the Derivation of Accurate Unit-Cell Dimensions of Crystals,” Proceeding of Physical Society, Vol. 57, No. 3, 1945, p. 160.
L. Vegard, “Zeitschrift Fur Physik a Hadrons and Nuclei,” Physics and Astronomy, Vol. 5, 1921, p. 17.
J. Smit and H. P. Wijn, “Ferrites,” Wiley, New York, 1959, p. 143.
B. P. Ladgaonkar, P. N. Vasambekar and A. S. Vaingankar, “Effect of Zn2+ and Nd3+ Substitution on Magnetisation and AC Susceptibility of Mg Ferrite,” Journal of Magnetism and Magnetic Materials, Vol. 210, No. 1-3, 2000, pp. 289-294. doi:10.1016/S0304-8853(99)00468-0
S. S. Bellad, S. C. Watawe and B. K. Chougule, “Micro- Structure and Permeability Studies of Mixed Li-Cd Ferrites,” Journal of Magnetism and Magnetic Materials, Vol. 195, No. 1, 1999, pp. 57-64.
F. C. Romejin, “Physical and Crystallographic Properties of Some Spinel,” Philips Research Reports, Vol. 8, 1953, pp. 304-342.
I. P. Parkin, G. E. Eluin, A. V. Komarov, Q. T. Bui and Q. A. Pankhurst, “Self-Propagating High Temperature Synthesis of Hexagonal Ferrites MFe12O19 (M = Sr, Ba),” Advanced Materials, Vol. 9, No. 8, 1997, pp. 643-645.
A. Globus, H. Pascard and V. J. Cagon, “Volume Effect in Photofield Emission from Metals,” Journal de Physique Archives, Vol. 38, 1977, pp. 163-167.
S. Manjura Hoque, M. Samir Ullah, F. A. Khan, M. A. Hakim and D. K. Saha, “Structural and Magnetic Properties of Li-Cu Mixed Spinel Ferrites,” Physica B: Condensed Matter, Vol. 406, No. 9, 2011, pp. 1799-1804.
A. A. Sattar and M. A. Samy, “Effect of Sm Substitution on the Magnetic and Electrical Properties of Cu-Zn Ferrite,” Journal of Materials Science, Vol. 37, No. 20, 2002, pp. 4499-4502. doi:10.1023/A:1020614300002
M. Manjurul Haque, M. Huq and M. A. Hakim, “Influence of CuO and Sintering Temperature on the Microstructure and Magnetic Properties of Mg-Cu-Zn Ferrites,” Journal of Magnetism and Magnetic Materials, Vol. 320, No. 21, 2008, pp. 2792-2799.
S. S. Bellad, S. C. Watawe, A. M. Shaikh and B. K. Chougule, “Cadmium Substituted High Permeability Lithium Ferrite,” Bulletin Materials Science, Vol. 23, No. 2, 2000, pp. 83-85. doi:10.1007/BF02706546
S. Akhter and M. A. Hakim, “Magnetic Properties of Cadmium Substituted Lithium Ferrites,” Materials Chemistry and Physics, Vol. 120, No. 2-3, 2010, pp. 399-403.
J. Smit and H. P. Wijn, “Ferrites,” Wiley, New York, 1959, p. 157.
N. Bloembergen, “Magnetic Resonance in Ferrites,” Proceedings of the Institute of Electronic and Radio Engineers, Vol. 44, 1956, p. 1259.
G. T. Rado, R. W. Wright and W. H. Emerson, “Ferromagnetism at Very High Frequencies. III. Two Mechanisms of Dispersion in a Ferrite,” Physics Review, Vol. 80, No. 2, 1950, pp. 273-280. doi:10.1103/PhysRev.80.273
J. Smit and H. P. Wijn, “Ferrites,” Wiley, New York, 1959, p. 268.
T. Nakamura, T. Miyamoto and Y. Yamada, “Complex Permeability Spectra of Polycrystalline Li-Zn Ferrite and Application to EM-Wave Absorber,” Journal of Magnetism and Magnetic Materials, Vol. 256, No. 1-3, 2003, pp. 340-347. doi:10.1016/S0304-8853(02)00698-4
F. G. Brckman, P. H. Dowling and W. G. Steneck, “Dimensional Effects Resulting from a High Dielectric Constant Found in a Ferromagnetic Ferrite,” Physics Review, Vol. 77, No. 1, 1950, pp. 85-93.
J. M. D. Cocy, “Rare-Earth Permanent Magnetism,” John Wiley and Sons, New York, 1996.
N. Yahja, A. Salwani, A. A. Aziz, et al., “Synthesis and Charaterization of Magnesium Zinc Ferrites as Electromagnetic Source” American Journal of Engineering and Applied Sciences, Vol. 1, No. 1, 2008, pp. 53-56.
S. A. Mazen and H. A. Dawoud, “Structure and Magnetic Properties of Li-Cu Ferrite,” Physica Status Solid (a), Vol. 172, No. 2, 1999, pp. 275-289.