Magnetic microstructure and noise property of electrolessly deposited CoNiFeB soft magnetic underlayer

IEEE Transactions on Magnetics

Volumn 41, Issue 10, 2005, Pages 3163-3165

  Sugiyama, Atsushi ^a   Adachi, Ken ^a   Sakagami, Manko ^a   Yoshino, Masahiro ^a   Kawaji, Jun ^a   Asahi, Toru ^a   Tsumori, Toshihiro ^b   Osaka, Tetsuya ^a,c  

^a WASEDA UNIVERSITY   (Japan)

^b SHIN ETSU CHEMICAL CO LTD   (Japan)

^c IEEE

Author keywords

CoNiFe; De noise; Electroless deposition; Soft magnetic imderlayer; Spike noise; Striped magnetic domain

Indexed keywords

AMORPHOUS MATERIALS; COBALT COMPOUNDS; ELECTROLESS PLATING; MAGNETIC ANISOTROPY; MICROSCOPIC EXAMINATION; MICROSTRUCTURE; SPURIOUS SIGNAL NOISE;

CONIFE; DE NOISE; MAGNETIC MICROSTRUCTURES; SOFT MAGNETIC INTERLAYER; SOFT MAGNETIC UNDERLAYER (SUL); SPIKE NOISE; STRIPED MAGNETIC DOMAIN;

MAGNETIC FILMS;

EID: 27744523573     PISSN: 00189464     EISSN: None     Source Type: Journal    
DOI: 10.1109/TMAG.2005.855273     Document Type: Article

References (15)

1. K. Tanahashi, A. Kikukawa, Y. Takahashi, Y. Hosoe, and M. Futamoto, "Low-noise FeTaC underlayer for double-layered perpendicular recording media," J. Magn. Magn. Mater., pt. 1, vol. 242-245, pp. 325-327, Apr. 2002.
2. S. Kong, T. Okamoto, and S. Nakagawa, Improvement of Soft Magnetic Properties of Fe-Co-B Underlayer With Large Saturation Magnetization by Ni-Fe-O Seedlayers, May 2003, vol. 93, pp. 6778-6780.
3. T. Ando and T. Nishihara, "Exchange-coupled CoZrNb/CoSm underlayer for perpendicular recording media," IEEE Trans. Magn., vol. 37, no. 4, pp. 1228-1233, Jul. 2001.
4. H. S. Jung and W. D. Doyle, "FeTaN/IrMn exchange-coupled multilayer films as soft underlayers for perpendicular media," IEEE Trans. Magn., vol. 37, no. 4, pp. 2294-2297, Jul. 2001.
5. F. Nakamura, T. Hikosaka, and Y. Tanaka, "Low noise multi-layered FeAlSi soft magnetic films for perpendicular magnetic recording media," J. Magn. Magn. Mater., vol. 235, pp. 64-67, Oct. 2001.
6. S. Saito, K. Hiarai, and M. Takahashi, "Induced magnetic anisotropy and nosie property for the soft underlayer of an FetaN thin film controlled by an in-line process," J. Magn. Soc. Jpn., vol. 26, no. 4, pp. 248-252, 2003.
7. T. Yokoshima, T. Asahi, H. Ohta, M. Ohmori, H. Sakai, and T. Osaka, "Development of double-layered perpendicular magnetic recording media with soft magnetic underlayer deposited by electroless deposition," in Dig. General Conf. IEICE, 2003. C7-3.
8. T. Asahi, T. Yokoshima, J. Kawaji, T. Osaka, H. Ohta, M. Ohmori, and H. Sakai, "Novel soft magnetic underlayers for double-layered perpendicular magnetic recording media: Electroless-deposited films of CoNiFe-based alloy," IEEE Trans. Magn., vol. 40, no. 4, pp. 2356-2358, Jul. 2004.
9. T. Osaka, T. Asahi, T. Yokoshima, J. Kawaji, M. Ohmori, and H. Sakai, "Electroless soft magnetic underlayeres for double-layered perpendicular media," J. Magn. Magn. Mater., vol. 287, pp. 292-297, Feb. 2005.
10. H. Uwazumi, N. Nakajima, M. Masuda, T. Kawata, S. Takenoiri, S. Watanable, Y. Sakai, and K. Enomoto, "K. Recording performance of the perpendicular recording media with an electroless-plated Ni-P soft magnetic underlayer," IEEE Trans. Magn., vol. 40, no. 4, pp. 2392-2394, Jul. 2004.
11. S. Saito, A. Hashimoto, M. Takahashi, and N. Mukai, "Noble Ni-P/A1 substrate plated with soft magnetic underlayer," in Proc. Dig. 27th Conf. Magnetics Soc. Jpn., 2003, p. 381. 18pE-11.
12. N. Saito, H. Fujiwara, and Y. Sugita, "A new type of magnetic domain structure in negative magnetostriction Ni-Fe films," J. Phys. Soc. Jpn., vol. 19, pp. 1116-1125, July 1964.
13. Y. Murayama, "Micromagnetics on stripe domain films. I. Critical cases," IEEE Trans. Magn., vol. MAG-21, pp. 2253-2266, Nov. 1966.
14. C. Chang, M. Plumer, C. Brucker, J. Chen, R. Ranjan, J. Van. Ek, J. Yu, D. Karns, Y. Kubota, G. Ju, and D. Weller, "Measurements and modeling of soft underlayer materials for perpendicular magnetic recording," IEEE Trans. Magn., vol. 38, no. 4, pp. 1637-1642, Jul. 2002.
15. G. S. Cargill III, R. J. Gambino, and J. J. Cuomo, "Stripe and cylindrical domains in amorphous Co-P and Co-Ni-P films," IEEE Trans. Magn., vol. MAG-10, pp. 803-806, Sep. 1974.