Magnetization reversal process of hard/soft nano-composite structures formed by ion irradiation

IEEE Transactions on Magnetics

Volumn 46, Issue 6, 2010, Pages 2132-2135

  Aniya, M ^a   Shimada, A ^a   Sonobe, Y ^a   Sato, K ^b   Shima, T ^b   Takanashi, K ^c   Greaves, Simon J ^d   Ouchi, T ^e   Homma, T ^e  

^a HOYA CORPORATION   (Japan)

^b TOHOKU GAKUIN UNIVERSITY   (Japan)

^c TOHOKU UNIVERSITY   (Japan)

^d TOHOKU UNIVERSITY   (Japan)

^e WASEDA UNIVERSITY   (Japan)

Author keywords

CGC films; Discrete track media; Exchange coupling; Ion irradiation; Magnetic modification; Patterned media

Indexed keywords

CONTRAST MEDIA; DIGITAL STORAGE; ETCHING; EXCHANGE COUPLING; ION BOMBARDMENT; ION EXCHANGE; IONS; MAGNETIC FIELDS; MAGNETIC FORCE MICROSCOPY; MAGNETIC MATERIALS; NANOCOMPOSITES; NANOIMPRINT LITHOGRAPHY; STRUCTURE (COMPOSITION);

BIT-PATTERNED MEDIA (BPM); DISCRETE TRACK MEDIA; MAGNETIC FORCE MICROSCOPIES (MFM); MAGNETIC MODIFICATION; MAGNETIC REVERSAL PROCESS; MAGNETIZATION REVERSAL PROCESS; NANO-COMPOSITE STRUCTURE; PATTERNED MEDIAS;

MAGNETIZATION REVERSAL;

EID: 77952805279     PISSN: 00189464     EISSN: None     Source Type: Journal    
DOI: 10.1109/TMAG.2010.2043229     Document Type: Article

References (11)

1. Y. Soeno, M. Moriya, K. Ito, K. Hattori, A. Kaizu, T. Aoyama, M. Matsuzaki, and H. Sakai, "Feasibility of discrete track perpendicular media for high track density recording," IEEE Trans. Magn., vol.39, no.4, pp. 1963-1971, 2003.
2. B. D. Terris, D. Weller, L. Folks, J. E. E. Baglin, A. J. Kellock, H. Rothuizen, and P. Vettiger, "Patterning magnetic films by ion beam irradiation," J. Appl. Phys., vol.87, p. 7004, 2000.
3. H. J. Richter, A. Y. Dobin, R. T. Lynch, D. Weller, R. M. Brockie, O. Heinonen, K. Z. Gao, J. Xue, R. J. M. V. D. Veerdonk, P. Asselin, and M. F. Erden,"Recording potential of bit-patterned media," Appl. Phys. Lett., vol.88, p. 222512, 2006.
4. C. Chappert, H. Bernas, J. Ferre, V. Kottler, J.-P. Jamet, Y. Chen, E. Cambril, T. Devolder, F. Rousseaux, V. Mathet, and H. Launois,"Planar patterned magnetic media obtained by Ion Irradiation," Science, vol.280, pp. 1919-1922, Jun. 1998.
5. Y. Sonobe, D. Weller, Y. Ikeda, M. Schabes, K. Takano, G. Zeltzer, B. K. Yen, M. E. Best, S. J. Greaves, H. Muraoka, and Y. Nakamura, "Thermal stability and SNR of coupled granular/continuous media," IEEE Trans. Magn., vol.37, no.4, pp. 1667-1670, 2001. (Pubitemid 32969104)
6. Y. Sonobe, H. Muraoka, K. Miura, Y. Nakamura, K. Takano, A. Moser, H. Do, B. K. Yen, Y. Ikeda, N. Supper, and W. Weresin, "Thermally stable CGC perpendicular recording media with Pt-rich CoPtCr and thin Pt layers," IEEE Trans. Magn., vol.38, no.5, pp. 2006-2011, 2002.
7. K. K. Tham, Y. Sonobe, and K.Wago, "Magnetic and read-write properties of coupled granular/continuous perpendicular recording media and magnetization reversal process," IEEE Trans. Magn., vol.43, no.2, pp. 671-675, 2007.
8. H. Muraoka, Y. Sonobe, K. Miura, A. M. Goodman, and Y. Nakamura, "Analysis on magnetization transition of CGC perpendicular media," IEEE Trans. Magn., vol.38, no.4, pp. 1632-1636, 2002. (Pubitemid 34813667)
9. J. Yasumori, Y. Sonobe, S. J. Greaves, and K. K. Tham, "Approach to high-density recording using CGC structure," IEEE Trans. Magn., vol.45, no.2, pp. 850-855, 2009.
10. M. Aniya, A. Mitra, A. Shimada, Y. Sonobe, T. Ouchi, S. J. Greaves, and T. Homma, "Magnetic properties of patterned CGC perpendicular films with soft magnetic fillings," IEEE Trans. Magn., vol.45, no.10, pp. 3539-3542, 2009.
11. T. Yamaoka, K. Watanabe, Y. Shirakawabe, K. Chinone, E. Saitoh, M. Tanaka, and H. Miyajima, "Applications of high-resolution MFM system with low-moment probe in a vacuum," IEEE Trans. Magn., vol.41, no.10, pp. 3733-3735, 2006.