Effect of important factors on temperature variation of coercivity in Sr-La-Co high-performance sintered ferrite magnets

IEEE Transactions on Magnetics

Volumn 47, Issue 10, 2011, Pages 3641-3644

  Nishio, Hiroaki ^a,b   Yamamoto, Hiroshi ^a  

^a MEIJI UNIVERSITY   (Japan)

^b Research Institute for Measurement of Magnetic Materials   (Japan)

Author keywords

Anisotropy field; coercivity; crystal grain orientation; grain size; magnetization reversal; Sr La Co ferrite magnet

Indexed keywords

ANISOTROPY; COERCIVE FORCE; CRYSTALS; FERRITE; FERRITE DEVICES; GRAIN SIZE AND SHAPE; IRON COMPOUNDS; LANTHANUM ALLOYS; MAGNETIZATION REVERSAL; MAGNETS; SINTERING; TEMPERATURE DISTRIBUTION; TERNARY ALLOYS;

ANISOTROPY FIELD; CO FERRITES; CRYSTAL GRAIN ORIENTATION; DEMAGNETIZING FIELD; GRAIN SIZE; INTERACTION FIELDS; TEMPERATURE VARIATION; WIDE TEMPERATURE RANGES;

CRYSTAL ORIENTATION;

EID: 80053489745     PISSN: 00189464     EISSN: None     Source Type: Journal    
DOI: 10.1109/TMAG.2011.2144571     Document Type: Article

References (15)

1. F. Kools, "Factors governing the coercivity of sintered anisotropic M type ferrite," J. Phys. (Paris), vol. 46, pp. C6-349-C6-354, 1985.
2. 19 ," in Proc. 8th Int. Conf. Ferrites (ICF-8), Kyoto, Japan, 2000, pp. 434-436.
3. F. Kools, A. Morel, P. Tenaud, M. Rossignol, O. Isnard, R. Grössinger, J. M. Le Breton, and J. Teillet, "La-Co substituted Sr and Ba M-type ferrites magnet properties versus intrinsic and microstructural factors," in Proc. 8th Int. Conf. Ferrites (ICF-8), Kyoto, Japan, 2000, pp. 437-439.
4. F. Kools, A. Morel, R. Grössinger, J. M. Le Breton, and P. Tenaud, "LaCo-substituted ferrite magnets, a new class of high-grade ceramic magnets; intrinsic and microstructural aspets," J. Magn. Magn. Mater., vol. 242-245, pp. 1270-1276, 2002.
5. H. Nishio, Y. Minachi, and H. Yamamoto, "Effect of factors on coercivity in Sr-La-Co sintered ferrite magnets," IEEE Trans. Magn., vol. 45, no. 12, pp. 5281-52881, Dec. 2009.
6. K. Iida, Y. Minachi, K. Masuzawa, M. Kawakami, H. Nishio, and H. Taguchi, "High-performance ferrite magnets: M-type Sr-ferrite containing Lanthanum and Cobalt," J. Magn. Soc. Jpn, vol. 23, no. 4-2, pp. 1093-1096, 1999.
7. K. J. Sixtus, K. J. Kronenberg, and R. K. Tenzer, "Investigation on barium ferrite magnets," J. Appl. Phys., vol. 27, no. 9, pp. 1051-1057, Sep. 1956.
8. I. S. Jacobs and F. E. Luborsky, "Magnetic anisotropy and rotational hysteresis in elongated fine-particle magnets," J. Appl. Phys., vol. 28, no. 4, pp. 467-473, Apr. 1957.
9. P. J. Flanders and S. Shtrikman, "Experimental determination of the anisotropy distribution in ferromagnetic powders," J. Appl. Phys., vol. 33, no. 1, pp. 216-219, Jan. 1962.
10. H. Sakuma, T. Taniyama, Y. Kitamoto, Y. Yamazaki, H. Nishio, and H. Yamamoto, "Anisotropy field distribution of partially ordered FePt nanoparticles," J. Appl. Phys., vol. 95, no. 11, pp. 7261-7263, 2004.
11. E. C. Stoner and E. P.Wohlfarth, "A mechanism of magnetic hysteresis in heterogeneous alloys," Phil. Trans. R. Soc., vol. 240A, pp. 599-643, May 1948.
12. B. T. Shirk and W. R. Buessem, "Theoretical and experimental aspects of coercivity versus particle size for barium ferrite," in Proc. INTERMAG Conf., Denver, CO, Apr. 1971, pp. 659-663.
13. 3 powders," IEEE Trans. Magn., vol. MAG-14, no. 5, pp. 861-863, Sep. 1978.
14. D. E. Speliotis and W. Lynch, "Magnetic interaction in particulate and thin-film recording media," J. Appl. Phys., vol. 69, no. 8, pp. 4496-4498, Apr. 1991.
15. D. F. Eldrigde, "Quantitative determination of the interaction fields in aggregates of single-domain particles," J. Appl. Phys., vol. 32, no. 3, pp. 247S-249S, 1961.