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STRUCTURAL AND MAGNETIC PROPERTIES OF SINGLE CRYSTAL RARE EARTH Gd-Y SUPERLATTICES

Published online by Cambridge University Press:  28 February 2011

J. Kwo ,
D. B. McWhan ,
M. Hong ,
E. M. Gyorgy  and
F. J. DiSalvo
J. Kwo
Affiliation:
AT&T Bell Laboratories, Murray Hill, NJ 07974
D. B. McWhan
Affiliation:
AT&T Bell Laboratories, Murray Hill, NJ 07974
M. Hong
Affiliation:
AT&T Bell Laboratories, Murray Hill, NJ 07974
E. M. Gyorgy
Affiliation:
AT&T Bell Laboratories, Murray Hill, NJ 07974
F. J. DiSalvo
Affiliation:
AT&T Bell Laboratories, Murray Hill, NJ 07974
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Abstract

High quality single crystal rare earth Gd-Y superlattices with wavelength varying from 8to 42 atomic layers were grown by the recently developed metal molecular beam epitaxy technique. The crystallinity and coherence of the superlattices were examined by X-ray diffraction, and the profiles of composition modulation and strain modulation were determined from a quantitative analysis based on a simple diffusion model for the Gd-Y interfaces. The sharp boundaries achieved in these metallic superlattices are approaching those in semiconductor superlattices. The various in-plane magnetization behavior at low fieldsamong superlattices of different wavelengths suggests the possible presence of new magnetic ordering structures as caused by the artificial modulation.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 56: Symposium H – Layered Structures and Epitaxy , 1985 , 211
Copyright
Copyright © Materials Research Society 1986

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