High Coercivity Sputter-Deposited Maghemite Thin-Film Disk

IEEE Transactions on Magnetics

Volumn 23, Issue 4, 1987, Pages 1985-1994

  Ishii, Osamu ^a   Yoshimura, Fumikatsu ^a   Ohara, Shuichi ^b  

^a NTT CORPORATION   (Japan)

^b Musashino Electrical Communication Lab   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0039524812     PISSN: 00189464     EISSN: 19410069     Source Type: Journal    
DOI: 10.1109/TMAG.1987.1065185     Document Type: Article

References (26)

1. S. Yoshii, O. Ishii, S. Hattori, T. Nakagawa, and G. Iśhida, “High density recording characteristics of sputtered γ-Fe2O3 thin-film disks,” J. Appl. Phys., vol. 53, pp. 2556-2560, Mar. 1982.
2. S. Hattori, Y. Ishii, M. Shinohara, and T. Nakagawa, “Magnetic recording characteristics of sputtered γ-Fe2O3 thin film disks,” IEEE Trans. Magn., vol. MAG-15, pp. 1549-1551, June 1979.
3. A. Terada, O. Ishii, M. Shinohara, and T. Nakagawa, “Thin film γ-Fe2O3 recording disk,” Trans. 1ECE Jpn., vol. J64-C, pp. 875-882, Dec. 1981.
4. D. W. Hoffmann, “Film stress diagnostics in the sputter deposition of metals,” in Proc. 7th ICVM, pp. 145-156, 1977.
5. Y. Bando, A. Mishima, T. Shigematsu, S. Horii, T. Takada, and M. Takano, “Oxidation and coercivity of magnetic thin films by reactive condensation,” Ferrite: Proc. 3rd ICF, pp. 602-605, Sept. 1980.
6. A. Terada, O. Ishii, S. Ohta, and T. Nakagawa, “Signal-to-noise ratio studies on -γ-Fe2O3 thin film recording disks,” IEEE Trans. Magn., vol. MAG-19, pp. 7-12, Jan. 1983.
7. A. Terada, O. Ishii, and Y. Kobayashi, “Pressure-induced signal loss in Fe3O4 and γ-Fe2O3 thin film disks,” IEEE Trans. Magn., vol. MAG-19, pp. 12-19, Jan. 1983.
8. H. P. Klug and L. E. Alexander, X-ray Diffraction Procedures. New York: John Wiley, pp. 512.
9. Y. Nakatani and M. Matsuoka, “Some electrical properties of γ-Fe2O3 ceramics,” Jpn. J. Appl. Phys., vol. 22, pp. 233-239, Feb. 1983.
10. S. Hattori, A. Tago, and O. Ishii, “Continuous thin film media for 3.2 GByte Multi-device disk storage,” Rev. ECL, vol. 30, pp. 2435, no. 1, 1982.
11. C. T. Wu, “Intrinsic stress of magnetron sputtered niobium films,” Thin Solid Films, vol. 64, pp. 103-110, 1979.
12. J. A. Thornton, J. Tabock, and J. W. Hoffmann, “Internal stress of sputtered metal films,” Thin Solid Films, vol. 64, pp. 111-125, 1979.
13. ASTM card, no. 11-614
14. R. Haul and T. Schoon, “Zur Struktur des ferromagnetischen Eisen (Ill)-Oxyde γ-Fe2O3,” Z. Physik. Chem., vol. 44, pp. 216-226, 1939.
15. Y. Bando, S. Horii, and T. Takada, “Reactive condensation and magnetic properties of iron oxide films,” J. Appl. Phys., vol. 17, pp. 1037-1042, June 1978.
16. J. A. Thornton, “Influence of apparatus geometry and deposition conditions on the structure and topography of thick sputtered coatings,” J. Vac. Sci. Technol., vol. 11, pp. 666-670, July 1974.
17. V. Orlinov and G. Salov, “Mechanical stresses in D. C. reactively sputtered Fe2O3 thin films,” Thin Solid Films, vol. 68, pp. 333-343, 1980.
18. A. Aharoni, E. H. Frei, and M. Schieber, “Some properties of γ-Fe2O3 obtained by hydrogen reduction of α-Fe2O3,” J. Phys. Chem. Solid., vol. 23, pp. 545-554, 1962.
19. D. F. Eagle and J. C. Mallinson, “On the coercivity of γ-Fe2O3 particles,” J Appl. Phys., vol. 38, pp. 995-997, Mar. 1967.
20. M. Kaneko, “Change in coercive force of γ-Fe2O3-Fe3O4 solid solutions with magnetostrictive anisotropy,” IEEE Trans. Magn., vol. MAG-16, pp. 1319-1322, Sept. 1980.
21. P. J. Flanders, “Impact-induced demagnetization, magnetostriction, and coercive force in Co doped iron oxide recording tapes,” IEEE Trans. Magn., vol. MAG-12, pp. 770-772, Nov. 1976.
22. T. Egami, P. J. Flanders, and C. D. Grahamm Jr, “Low-field magnetic properties of ferromagnetic amorphous alloys,” J. Appl. Phys., vol. 26, pp. 128-130, Feb. 1975.
23. J. K. Lin, J. M. Silvertsen and J. H. Judy, “Effect of heat treatment on reactively sputtered iron oxide thin films,” J. Appl. Phys., vol. 57, pp. 4000-4002, Apr. 1985.
24. Von M. Kersten, “Versuche über reversible und irreversible Wand-verschiebungen zwischen antiparallel magnetisierten Weissschen Be-zirken,” Phys. Z., vol. 39, pp. 860-865, 1938.
25. F. E. Talke and R. C. Tseng, “Effect of submicrometer transducer spacing on the readback signal in saturation recording,” IBM J. Res. Dev., vol. 19, pp. 591-596, June 1975.
26. J. C. Mallinson, “Maximum signal-to-noise ratio of a tape recorder,” IEEE Trans. Magn., vol. MAG-5, pp. 182-186, Sept. 1969.