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Magneto-Optical Spectroscopy of RE/TM Alloys and TM/CO Multilayers

Published online by Cambridge University Press:  15 February 2011

D. Weller  and
W. Rcim
D. Weller
Affiliation:
Siemens AG, Central Research Labs, P.O. Box 3220, W-8520 Erlangen, Germany
W. Rcim
Affiliation:
Siemens AG, Central Research Labs, P.O. Box 3220, W-8520 Erlangen, Germany
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Abstract

This paper reviews on magneto-optical spectroscopy of alloys, metallic multilayers and interference enhancement structures for magneto-optic (MO) recording. Mainly rare earth transition metal (RE-TM) alloys and Co/transition metal (Co/X) multilayers will be discussed. The read out performance in MO write/read tests is given by tile reflectivity and Kerr rotation strongly depends on the wavelength. While the magneto-optical transitions in the near infrared (IR:≈820nm) are dominated by tile 3d magnetic transition metals Fe and Co, the properties in the ultraviolet (UV: <400nm) can be dominated by either rare earths like Nd or Pr in RE-TM alloys or by exchange polarized Pt or Pd in Co/X multilayers and their respective alloys.

In an attempt to correlate the magneto-optic Kerr effect to electronic properties we have systematically investigated alloys and multilayers with x-ray photoemission (XPS) and polar magneto-optical Kerr spectroscopy (0.5–5.3eV range). It is found that electronic 4f levels in Nd or Pr contribute to the Kerr elffct via Γ→, d transitions in the order of 0.3°. Exchange polarized Pd and Pt in Co/X multilayers give rise to a room temperature Kerr rotation in the same order of magnitude via excitations of the 4d and 5d bands, respectively. These effects clearly depend on film compositions and thickness ratios.,

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 232: Symposium T – Magnetic Materials: Microstructure and Properties , 1991 , 71
Copyright
Copyright © Materials Research Society 1991

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References

REFERENCES

1. Lin, C.- J., Mat. Res. Soc. Symp. Proc. Vol.150, 15 (1989)Google Scholar
2. Lin, C.- I., Do, I I. V., IEEE Trans. Magn., 26, 1700 (1990)CrossRefGoogle Scholar
3. Weller, D., Reim, W., Siemens Forsch. & Entwicklungsber. 17, 111 (1988)Google Scholar
4. Weller, D., Schrijner, P., Reim, W., IEEE Trans. Magn. 24, 1731 (1988)Google Scholar
5. Spörl, K., PhD Thesis (1992), University of Regensburg (unpublished)Google Scholar
6. Reim, W., J. Magn. & Magn. Mater. 58, 1 (1986)Google Scholar
7. Buschow, K.H.J.: “Ferromagnetic Materials”, Vol.4, eds. Wohlfahrt, E.P. and Buschow, K.H.J., North Halland, pp. 493–595 (1988)Google Scholar
8. Reim, W., Schoenes, J.: “Ferromagnetic Materials”, Vol.5, eds. Wohlfahrt, E.P. and Buschow, K.H.J., North Holland, pp. 133–236 (1990)Google Scholar
9. Oppeneer, P.M.,.Sticht, J., Herman, F., MORIS '91, Tokyo, lapan, paper 16-C-02Google Scholar
10. Bennett, I.S., Stern, L.A., Phys. Rev. 137, 448 (1965)Google Scholar
11. Erskine, J.L., Stern, E.A., Phys. Rev. B 8, 1239 (1973)Google Scholar
12. Misemer, D.K.,.T. Magn. Magn. Mater. 72, 267 (1988)Google Scholar
13. Chikazumi, S. Physics of Magnetism, Wiley (1964)Google Scholar
14. Weller, D., Reim, W., Ebert, H., Johnson, D.D., Pinski, F.J.,. J. de Phys. C8–41 (1988)Google Scholar
15. Reim, W., Weller, D., Ebert, H., Bräindle, H.,.J. Sticht (to be published)Google Scholar
16. Chen, D., Otto, G.N., Schmidt, F.M., IEEF Trans. Mag., MAG– 9, 66 (1973)Google Scholar
17. Smith, J.L., Riscborough, P.S., J. Magn. Magn. Mater. 47& 48, 545 (1985)CrossRefGoogle Scholar
18. Allen, R. and Connell, G.A.N.,.J. Appl. Phys. 53, 2353 (1982)Google Scholar
19. Mansuripur, M., Connell, G.A.N., J. Appl. Phys. 53, 4485 (1982)CrossRefGoogle Scholar
20. Ohta, K., Takahashi, A., Deguchi, T., Ilyuga, T., Kobayashi, S., H. Yamaoka, SPIE 382, 252 (1983)Google Scholar
21. Tomita, Y., Yoshino, T., J. Opt. Soc. Am. A, 1(8), 809 (1984)Google Scholar
22. Weller, D., Rupp, G., Siemens internal report (unpublished)Google Scholar
23. Feil, H., Haas, C., Phys. Rev. Lett. 58, 65 (1987)Google Scholar
24. Schoenes, J., Reim, W., reply: Phys. Rev. Lett. 60, 1988 (1988)Google Scholar
25. Reim, W., H¨sser, O.E., Schoenes, J., Kaldis, E., Wachter, P., Seiler, K., J. Appl. Phys. 55, 2155 (1984)Google Scholar
26. Brändle, H., Schoenes, J., Wachter, P., Hulliger, F., Reim, W.,.J. Magn. Magn. Mater. 93, 207 (1991)Google Scholar
27. Katayama, T., Suzuki, Y., Awano, H., Nishihara, Y., Koshizuka, N., Phys. Rev. Lett. 60, 1426 (1988)Google Scholar
28. Reim, W., Weller, D., Appl. Phys. Lett. 53, 2453 (1988)CrossRefGoogle Scholar
29. Weaver, J.H., Krafka, C., Lynch, D.W., Koch, E.E., Optical Properties of Metals, Vol. 1+2, Fachinformationszentrum Energie, Karlsruhe (1981)Google Scholar
30. Schnatterly, S.E., Phys. Rev. 183, 664 (1969)Google Scholar
31. Balasubramanian, K., Macleod, H.A., Marathay, A.S., Proc. SPIE 1078, 214 (1989)Google Scholar
32. McGahan, W.A., Woollam, J.A., Appl. Phys. Comm., 9(1&2), 1 (1989)Google Scholar
33. Zak, J., Moog, E.R., Liu, C., Bader, S.D., J. Magn. Magn. Mater. 88, L261 (1990); 89, 107 (1990)Google Scholar
34. Mafnsuripur, M.,.J. Appl. Phys. 67, 6466 (1990)Google Scholar
35. Egashira, K., Yamada, T., J. Appl. Phys. 45, 3643 (1974)Google Scholar
36. Reim, W., Weller, D., IEEE Trans. Magn. 25, 3752 (1989)Google Scholar
37. Weller, D., Reim, W., Mat. Res. Soc. Symp. Proc. 150, 33 (1989)Google Scholar
38. Weller, D., Reim, W., Appl. Phys. A 49, 599 (1989)Google Scholar
39. Gambino, R.J., McGuire, T.R.,.J. Magn. Magn. Mat. 54–57, 1365 (1986)Google Scholar
40. Choe, Y.J., Tsunashima, S., Katayama, T., Uchiyama, S.. J. Magn. Soc. Jpn. 11, Suppl. S1, 273 (1987); J. Magn. Soc. Jpn. 12, Suppl. S1, 221 (1988)Google Scholar
41. T'. Suzuki, Katayama, T., IEEE Trans. Magn. MAG– 22, 1231 (1987)Google Scholar
42. Reim, W., Gambino, R J., Ruf, R.R., Plaskett, T.S., J. Appl. Phys. 61, 3349 (1988)Google Scholar
43. Hansen, P., Hartmann, M., Witter, K., J.Magn. Soc. Jpn. 11, Suppl. S1, 257 (1987)CrossRefGoogle Scholar
44. Zeper, W.B., Greidanus, F.I.A.M., Carcia, P.F., Fincher, C.R.,.J. Appi. Phys. 65, 4971 (1989)Google Scholar
45. Hashimoto, S., Ochiai, Y., Aso, K.,.J. Appl. Phys. 66, 4909 (1989)Google Scholar
46. Neel, L., J. Phys. Rad. 15, 376 (1954)Google Scholar
47..Draaisma, I I J.G., Broeder, F.J.A.den, Jonge, W.J.M.de, J. Mag. Mag. Mat. 66,351 (1987)Google Scholar
48. Gradmann, U.,.J. Mag. Mag. Mat. 54–57,733 (1986)Google Scholar
49. Gradmann, U.,.Mü;ller, J., Phys. Stat. Solidi 27, 313 (1968)Google Scholar
50. van der Merwc, J.H., Jesscr, W.A., J. Appl. Phys. 63, 1509 (1988)CrossRefGoogle Scholar
51. Chappert, C., Bruno, P., J. Appl. Phys. 64, 5736 (1988)CrossRefGoogle Scholar
52. Bruno, P., Renard, J-P., Appl. Phys. A 49, 499 (1989)Google Scholar
53. den Broeder, F.J.A., Hloving, W., Bloemen, P.H.J.,.J. Magn. Magn. Mater. 93, 562 (1991)Google Scholar
54. Clarke, R., Lamelas, F.J., Baudelet, F., Dartyge, E., Fontaine, A.,.J. Magn. Magn. Mater. 93, 53 (1991)Google Scholar
55. den Broeder, F.J.A., Kuiper, D., Donkersloot, H.C., Hoving, W. Appl. Phys. A 49, 507 (1989)Google Scholar
56. Engel, B.N., England, C.D., Leeuwen, R.van, Nakada, M., Falco, C.M., J. Appl. Phys. 69, 5643 (1991)Google Scholar
57. Lin, C.-J.,.Do, H V., Gorman, G.L., lee, C.H., Farrow, R.F.C., Marinero, E.E., Notarys, H., Chien, C.J., J. Magn. Magn. Mater. 93, 194 (1991)Google Scholar
58. Lee, C.H., Farrow, R.F.C., Hermsmeier, B.D., Marks, R.F., Bennett, W.R., Lin, C.-J., Marinero, E.E.,.Kirchner, P.D., Chien, C.J.,.J. Magn. Magn. Mater. 93, 592 (1991)Google Scholar
59. Chien, C J., Farrow, R.F. C., Lee, C.H., Lin, C.-J., Marincro, F.E.,.J. Magn. Magn. Mater. 93, 47 (1991)CrossRefGoogle Scholar
60. Weller, D., Reim, W., Sörl, K., Brändle, H.,.J. Magn. Magn. Mater. 93, 183 (1991)Google Scholar
61. Bozorth, R.M., Wolff, P.A., Davis, D.D., Compton, V.B.,.Wernick, J.H., Phys. Rev. 122, 1157 (1961)Google Scholar
62. Victora, R., MacLaren, I.M., J. Appl. Phys. 69, 5652 (1991)Google Scholar
63. Reim, W., Brändle, H.,Weller, D,.Schoenes, J.,.J. Magn. Magn. Mater. 93, 220 (1991)CrossRefGoogle Scholar
64. Bergmann, G.,.J. Magn. Magn. Mat. 35, 68 (1983)Google Scholar
65. Ebert, H., Ruegg, S., Schiitz, G., Wienke, R., Zeper, W.B., J. Magn. Magn. Mater. 93, 601 (1991)Google Scholar
66. Rüegg, S., Schütz, G., Fischer, P., Wienke, R., Zeper, W.B., Ebert, H..J. Appl. Phys. 69, 5655 (1990)Google Scholar
67. Buschow, K.H. J., Engen, P.G. van, Jongcbreur, R.,.J. Magn. Magn. Mat. 38, 1 (1983)Google Scholar
68. Dahmani, C.-E., PhD Thesis, University of Strasbourg (1985)Google Scholar
69. Menzinger, F., Paoletti, A., Phys. Rev. 143(2), 365 (1966)Google Scholar
70. Güntherodt, G. et al., ICM 1991 (to be published)Google Scholar