The Micromagnetic Properties of High-Coercivity Metallic Thin Films and Their Effects on the Limit of Packing Density in Digital Recording

IEEE Transactions on Magnetics

Volumn 17, Issue 2, 1981, Pages 1181-1191

  Chen, Tu ^a  

^a XEROX CORPORATION   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

DATA STORAGE, MAGNETIC - FILM; FILMS - METALLIC;

DIGITAL RECORDING;

MAGNETIC MATERIALS;

EID: 0019541496     PISSN: 00189464     EISSN: 19410069     Source Type: Journal    
DOI: 10.1109/TMAG.1981.1061191     Document Type: Article

References (29)

1. R. I. Potter, “Analysis of saturation magnetic recording based on arctangent magnetization transitions,” J. Appl. Phys., vol. 41, pp. 1647–4651, 1970.
2. D. E. Speliotis and J. R. Morrison, “A theoretical analysis of saturation magnetic recording,” IBM J. Res. Develop., vol. 10, pp. 233–243, 1966.
3. A. Aharoni, “Theory of NRZ recording,” IEEE Trans. Magn., vol. MAG-2, pp. 100–109, 1966.
4. P. I. Bonyhard, A. V. Davies, and B. K. Middleton, “A theory of digital magnetic recording on metallic films,” IEEE Trans. Magn.; vol. MAG-2, pp. 1–5, 1966.
5. N. Curland and D. E. Speliotis, “Transition region in recorded magnetization pattern,” J. Appl. Phys., vol. 41, pp. 1099–1101, 1970.
6. J. Daval and D. Randet, “Electron microscopy on high coercive-force force Co-Cr composite films,” IEEE Trans. Magn., vol. MAG-6,. pp. 768–773, 1970.
7. D. D. Dressler and J. H. July, “A study of digitally recorded transitions in thin magnetic films,” IEEE Trans. Magn., vol. MAG-10, pp. 674–677, 1974.
8. T. Chen and G. B. Charlan, “High coercivity and high hysteresis loop squareness of sputtered Co-Re thin film,” J. Appl. Phys., vol. 50, pp. 4285–4290, 1979.
9. T. Chen, G. T. McKinley, and G. B. Charlan, “Electron microscope imaging of surface magnetic field and magnetic ripple structure in digitally recorded thin magnetic films,” 1979 EMSA Conf. Proc., San Antonio, TX.
10. T. Chen, D. A. Rogawski, and R. M. White, “Microstructure and magnetic properties of electroless Co-P thin films grown on an aluminum base disk substrate,” J. Appl. Phys., vol. 43, pp. 1816–1818, 1818, 1978.
11. M. L. William and R. L. Comstock, “An analytical model of the write process in digital magnetic recording,” 1971 API Conf. Proc., vol. 5, pp. 738–742.
12. J. J. Miyata and R. R. Hartel, “The recording and reproduction of signals on magnetic medium using saturation-type recording,” IRE Trans. Elect. Comp., vol. EC-8, pp. 159–169, 1959.
13. G. A. Jones and A. Farnsworth, “Domain structure and reversal process in high-coercivity Co-P films,” Phys. Stat. Sol., vol. (a) 15, pp. 545–551, 1973.
14. H. W. Fuller and M. E. Hale, “Determination of magnetization , distribution in thin films using electron microscopy,” J. Appl. Phys., vol. 31, pp. 238–248, 1960.
15. H. Hoffman, “Quantitative calculation of magnetic ripple of uniaxial axial thin permalloy films,” J. Appl. Phys., vol. 35, pp. 1790–1798, 1798, 1964.
16. K. J. Harte, “Theory of magnetization ripple in ferromagnetic films,” J. Appl. Phys., vol. 39, pp. 1503–1524, 1968.
17. E. J. Hsieh and R. F. Soohoo, “Domain boundary configuration for head-on magnetization in thin films,” 1971 AIP Conf. Proc., vol. 5, pp. 727–731.
18. E. J. Hsieh, R. F. Soohoo, and M. F. Kelly, “A Lorentz micro-scopic study of head-on domain walls,” IEEE Trans. Magn., vol. MAG-10, pp. 304–307, 1974.
19. N. Minnaja and M. Nobile, “Stability conditions for sawtooth walls between head-on domains,” 1972 AIP Conf. Proc., vol. 10, pp. 1001–1005, 1972.
20. M. Blackman and E. Grunbaum, “An investigation into the effect of magnetic domains in cobalt on an electron beam,” Proc. Roy. Soc., vol. A241, pp. 508–521, 1957.
21. T. Chen and R. M. Martin, “The physical limits of high-density recording in metallic magnetic thin film media,” IEEE Trans. Magn., vol. MAG-15, pp. 1444–1446, 1979.
22. A. Baltz and W. D. Doyle, “Effect of crystallites size and orientation on magnetization ripple in permalloy films,” J. Appl. Phys., vol. 35, pp. 1814–1818, 1964.
23. M. Aspland, G. A. Jones, and B. K. Middleton, “Properties of electroless cobalt films,” IEEE Trans. Magn., vol. MAG-5, pp. 314–317, 1969.
24. L. Reimer, “Ein Modell aus Permanentmagneten zum Verständnis der Ummagnetisierung in dünnen Schichten,” Z. Angew. Phys., vol. 17, pp. 196–202, 1964.
25. E. C. Stoner and E. P. Wohlfarth, “A mechanism of magnetic hysteresis in heterogeneous alloys,” Phil. Trans. Roy. Soc., vol. A240, pp. 599–642, 1948.
26. C. Kittel, “Physical theory of ferromagnetic domains,” Rev. Mod. Phys., vol. 21, pp. 541–583, 1949.
27. R. Friedberg and D. I. Paul, “New theory of coercive force of ferromagnetic materials,” Phys. Rev. Lett., vol. 34, pp. 1234–1237, 1975.
28. D. I. Paul, private communication.
29. G. F. Hughes, “Status of Co-P recording media,” J. Appl. Phys., vol. 49, p. 1837, 1978.