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Carbonization behavior of polyimide film containing iron complex in relation to magnetic properties

Published online by Cambridge University Press:  31 January 2011

Y. Kaburagi ,
T. Toriyama ,
A. Yoshida ,
H. Wakabayashi ,
Y. Hishiyama  and
M. Inagaki
Y. Kaburagi*
Affiliation:
Faculty of Engineering, Musashi Institute of Technology, Tamazutsumi, Setagaya-ku, Tokyo 158–8557, Japan
T. Toriyama
Affiliation:
Faculty of Engineering, Musashi Institute of Technology, Tamazutsumi, Setagaya-ku, Tokyo 158–8557, Japan
A. Yoshida
Affiliation:
Faculty of Engineering, Musashi Institute of Technology, Tamazutsumi, Setagaya-ku, Tokyo 158–8557, Japan
H. Wakabayashi
Affiliation:
Faculty of Engineering, Musashi Institute of Technology, Tamazutsumi, Setagaya-ku, Tokyo 158–8557, Japan
Y. Hishiyama
Affiliation:
Faculty of Engineering, Musashi Institute of Technology, Tamazutsumi, Setagaya-ku, Tokyo 158–8557, Japan
M. Inagaki
Affiliation:
Faculty of Engineering, Aichi Institute of Technology, Yakusa, Toyota 470–0392, Japan
*
a)Address all correspondence to this author. e-mail: kaburagi@ep.ese.musashi-tech.ac.jp
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Abstract

A ferromagnetic film composed of carbon matrix and dispersed fine iron particles was prepared by heating a polyimide film containing iron complex at temperatures up to 1000 °C. The particles were formed and distributed homogeneously on the film surfaces by heat treatments at 600 °C and above, and inside the films at 700 °C and above. The particles were α–Fe, γ–Fe (or austenite), and Fe3C with fractions of about 7:2:1 in the films heated at 800 °C and above. The mean crystallite sizes of α–Fe and γ–Fe (or austenite) particles were evaluated to be 19 and 15 nm in the film heated at 800 °C, and 32 and 30 nm at 1000 °C, respectively. The films heated at 600 °C and below were superparamagnetic, while those at 700 °C and above were ferromagnetic, but both components existed in all films. The iron particles promoted the growth of carbon crystallites in the films; i.e., the interlayer spacing was about 0.341–0.343 nm and mean crystallite size 4.0–6.5 nm for the films heated in the range of 700 to 1000 °C. Pores were observed on the surfaces and cross sections of the carbonized films, and they seemed to be loopholes of the clusters. Iron oxides were scarcely formed in the films, even after being kept for a long duration at room temperature in atmosphere.

Type
Articles
Information
Journal of Materials Research , Volume 16 , Issue 2 , February 2001 , pp. 352 - 365
Copyright
Copyright © Materials Research Society 2001

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References

REFERENCES

1.Radovic, L.R., Rodriguez-Reinoso, F., Chemistry and Physics of Carbon, edited by Thrower, P.A. (Marcel Dekker, New York, 1997), Vol. 25, pp. 243.Google Scholar
2.McHenry, M.E., Majetich, S.A., Artman, J.O., DeGraef, M., and Staley, S.W., Phys. Rev. B49, 11358 (1994).CrossRefGoogle Scholar
3.Saito, Y., Yoshikawa, T., Okuda, M., Fujimoto, N., Yamamuro, S., Wakoh, K., Sumiyama, K., Suzuki, K., Kasuya, A., and Nishina, Y., Chem. Phys. Lett. 212 (1993).Google Scholar
4.Hihara, T., Onodera, H., Sumiyama, K., Suzuki, K., Kasuya, A., Nishina, Y., Saito, Y., Yoshikawa, T., and Okuda, M., Jpn. J. Appl. Phys. 33, L24 (1994).CrossRefGoogle Scholar
5.Jiao, J. and Seraphin, S., J. Appl. Phys. 80, 103 (1996).CrossRefGoogle Scholar
6.Host, J.J., Teng, M.H., Elliott, B.R., Hwang, J-H., Mason, T.O., Johnson, D.L., and Dravid, V.P., J. Mater. Res. 12, 1268 (1997).CrossRefGoogle Scholar
7.Koon, N.C., Pehrsson, P., Weber, D., and Schindler, I., J. Appl. Phys. 55, 2497 (1984).CrossRefGoogle Scholar
8.Lusnikov, A., Ohana, I., Dresselhaus, M.S., and Withrow, S.P., J. Appl. Phys. 63, 195 (1988).CrossRefGoogle Scholar
9.Messaoudi, A., Inagaki, M., and Beguin, F., J. Mater. Chem. 1, 735 (1991).CrossRefGoogle Scholar
10.Ohira, M., Messaoudi, A., Inagaki, M., and Beguin, F., Carbon 29, 1233 (1991).CrossRefGoogle Scholar
11.Shioyama, H., Sakakibara, H., Iwashita, N., Tatsumi, K., and Sawada, Y., Tanso 156, (1993) 37.CrossRefGoogle Scholar
12.Abe, Y., Imamura, R., Yoshida, S., and Oya, A., Tanso 172, 111 (1996).CrossRefGoogle Scholar
13.Sakata, Y., Muto, A., Azhar Uddin, Md., and Harino, K., J. Mater. Chem. 6, 1241 (1996).CrossRefGoogle Scholar
14.Burger, A., Fitzer, E., Hrym, M., and Termiesch, B., Carbon 13, 149 (1975).CrossRefGoogle Scholar
15.Hishiyama, Y., Yasuda, S., Yoshida, S., and Inagaki, M., J. Mater. Sci. 23, 3732 (1988).CrossRefGoogle Scholar
16.Inagaki, M., Harada, S., Sato, T., Nakajima, T., Horino, Y., and Morita, K., Carbon 27, 253 (1989).CrossRefGoogle Scholar
17.Takeichi, T., Takenoshita, H., Ogura, S., and Inagaki, M., J. Appl. Polym. Sci. 32, 637 (1994).Google Scholar
18.Hatori, H., Yamada, Y., Shiraishi, M., Yoshihara, M., and Kimura, T., Carbon 34, 201 (1996).CrossRefGoogle Scholar
19.Hatori, H., Hishiki, S., Kobayashi, T., Yamada, Y., Nishio, T., and Shiraishi, M., Tanso 189, 165 (1999).CrossRefGoogle Scholar
20.Oka, H., Inagaki, M., Kaburagi, Y., and Hishiyama, Y., Solid State Ionics 121, 157 (1999).CrossRefGoogle Scholar
21.Hishiyama, Y., Igarashi, K., Kaneko, I., Fujii, T., Kaneda, T., Koidezawa, T., Shimazawa, Y., and Yoshida, A., Carbon 35, 657 (1997).CrossRefGoogle Scholar
22.Yoshida, A., Kaburagi, Y., and Hishiyama, Y., Carbon 29, 1107 (1991).CrossRefGoogle Scholar
23.Bourgerette, C., Oberlin, A., and Inagaki, M., J. Mater. Res. 7, 1158 (1992).CrossRefGoogle Scholar
24.Smithells, C.J., Metals Reference Book, 4th ed. (Butlerworths, London, United Kingdom 1967), p. 438.Google Scholar
25.Lupis, C.H.P., Chemical Thermodynamics of Materials (North-Holland, New York, 1983), p. 367.Google Scholar
26.Olson, G.B. and Owen, W. S., Martensite (ASM International, Materials Park, OH, 1992), p. 73.Google Scholar
27.Bethune, D.S., Klang, C.H., de Vries, M.S., Gorman, G., Savoy, R., Vazquez, J., and Beyers, R., Nature (London) 363, 605 (1993).CrossRefGoogle Scholar
28.Crangle, J., The Magnetic Properties of Solids, The Structure and Properties of Solids No. 6 (Edward Arnold, London, United Kingdom, 1977), p. 106.Google Scholar
29.Herpin, A., Theorie du Magnetisme (Universitaires de France, 1968), p. 209.Google Scholar
30.Kittel, C., Phys. Rev. 70, 1488 (1947).Google Scholar
31.Du, Y.W., Wu, J., Lu, H.X., Qiu, Z.O., Tang, H., and Walker, J.C., J. Appl. Phys. 61, 3314 (1987).CrossRefGoogle Scholar
32.Keune, W., Ezawa, T., Macedo, W.A.A., Glos, U., Schletz, K.P., and Kirschbaum, U., Physica B 161, 269 (1989).CrossRefGoogle Scholar
33.Ezawa, T., Macedo, W.A.A., Glos, U., Keune, W., Schletz, K.P., and Kirschbaum, U., Physica B 161, 281 (1989).CrossRefGoogle Scholar
34.Dresselhaus, G., Nichols, J.T., and Dresselhaus, M.S., Graphite Intercalation Compounds II, edited by Zabel, H. and Solin, S.A. (Springer-Verlag, Berlin, Germany, 1992), p. 247.CrossRefGoogle Scholar
35.Suzuki, M., Suzuki, I.S., and Burr, C.R., Mol. Cryst. Liq. Cryst. 245, 81 (1994).CrossRefGoogle Scholar