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Epitaxial Magnetic Garnet Thin Films and Heterostructures by Pulsed Laser Deposition

Published online by Cambridge University Press:  15 February 2011

B. M. Simion ,
R. Ramesh ,
V. G. Keramidas ,
R. L. Pfeffer ,
G. Thomas  and
E. Marinero
B. M. Simion
Affiliation:
Dept. of Mat. Science and Min. Eng., University of California at Berkeley, and Lawerence Berkeley Lab, Berkeley, CA 94720
R. Ramesh
Affiliation:
Bell Communications Research, Red Bank, NJ 07701
V. G. Keramidas
Affiliation:
Bell Communications Research, Red Bank, NJ 07701
R. L. Pfeffer
Affiliation:
U.S. Army Research Lab, Ft. Monmouth, NJ 07701
G. Thomas
Affiliation:
Dept. of Mat. Science and Min. Eng., University of California at Berkeley, and Lawerence Berkeley Lab, Berkeley, CA 94720
E. Marinero
Affiliation:
IBM Almaden Research Facility, San Jose, CA
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Abstract

Epitaxial yttrium-iron-garnet (YIG) films, bismuth-iron-garnet (BIG) films, and YIG/BIG heterostructures have been grown on [111] oriented single crystalline gadolinium-gallium-garnet (GGG) substrates by pulsed laser deposition (PLD), using a KrF excimer laser system. The films under study were grown over a range of temperatures from 600°C to 800°C and at 100 mTorr oxygen partial pressure. The effects of oxygen partial pressure during cooling on the structure, composition and magnetic properties of the films were investigated, employing X-ray diffraction, Rutherford back scattering spectroscopy coupled with He ion channeling, and vibration sample magnetometry. All specimens under study indicated that, independent of the film-substrate mismatch, the grown films were single crystalline in the [111] orientation. Preliminary studies on the effects of cooling oxygen partial pressure on the film structure indicate an increase in lattice distortion in the direction normal to the film surface with decreasing pressure. The magnetic properties of the films are comparable to the YIG bulk properties, and all films indicated in plane preferential magnetization, independent of cooling conditions.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 341: Symposium F – Epitaxial Oxide Thin Films and Heterostructures , 1994 , 65
Copyright
Copyright © Materials Research Society 1994

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References

1. Lin, Chien-Jung, in High Density Digital Recording, edited by Buschow, K.H.J., Long, Gary L. and Grandjean, Fernande, (NATO ASI Series, Series E: Applied Science - vol.229), Kluwer Academic Publishers, 1993, pp. 461–481 CrossRefGoogle Scholar
2. Gomi, M., Satoh, K., and Abe, M., Journal of Applied Physics, 63 (1988), pp.3642 CrossRefGoogle Scholar
3. Shono, K., Kano, H., Koshino, N., and Ogawa, S., Journal of Applied Physics, 63 (1988) pp. 3639 CrossRefGoogle Scholar
4. Itoh, A. and Kryder, M.H., Applied Physics Letters , 53 (1988), pp. 1125 CrossRefGoogle Scholar
5. Okuda, T., Katayama, T., Satoh, K., and Yamamoto, H., Journal of Applied Physics, 69 (1991), pp. 4580 CrossRefGoogle Scholar
6. Kidoh, Hideo, Morimoto, Akiharu, and Shimizu, Tatsuo, Applied Physics Letters, 59 (1991), pp. 237 CrossRefGoogle Scholar
7. Dorsey, P.C., Bushnell, S.E., Seed, R.G., and Vittoria, C., Journal of Applied Physics, 74 (1993), pp. 1242 CrossRefGoogle Scholar
8. Simion, B.M., Ramesh, R., Keramidas, V.G., Pheffer, R.L., and Thomas, G., submitted for publication to Applied Physics Letters.Google Scholar