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X-RAY AND TRANSPORT STUDIES OF RUTHENIUM-IRIDIUM BICRYSTAL SUPERLATTICES

Published online by Cambridge University Press:  28 February 2011

ROY CLARKE ,
F. LAMELAS ,
C. UHER ,
J.E. CUNNINGHAM  and
C.P. FLYNN
ROY CLARKE
Affiliation:
The University of Michigan, Ann Arbor, MI 48109
F. LAMELAS
Affiliation:
The University of Michigan, Ann Arbor, MI 48109
C. UHER
Affiliation:
The University of Michigan, Ann Arbor, MI 48109
J.E. CUNNINGHAM
Affiliation:
University of Illinois at Champaign-Urbana, Urbana, IL 61801
C.P. FLYNN
Affiliation:
University of Illinois at Champaign-Urbana, Urbana, IL 61801
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Abstract

The stacking structure and epitaxial ordering are studied in MBE-grown Ru-Ir superlattices of wavelengths λ = 41\ and 62\. These samples span the fcc-hcp crossover previously found to occur when the Ir component is thinner than about 10 monolayers. Evidence for a new stacking sequence of period 3λ is found in the λ=41\ sample, possibly resulting from stacking faults in the Ir layers. The superconducting transition temperature is significantly higher in the 41\ sample (Tc=0.19K) than in the 62\ sample (Tc=0.15K).

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 56: Symposium H – Layered Structures and Epitaxy , 1985 , 205
Copyright
Copyright © Materials Research Society 1986

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References

1. Dingle, D., H.L. Sf6rmer, Gossard, A.C. and Wiegman, W., Appl. Phys. Lett. 33, 665 (1978).Google Scholar
2. Durbin, S.M., Cunningham, J.E., Mochel, M.E. and Flynn, C.P., J. Phys. F 11, L223 (1981).CrossRefGoogle Scholar
3. Kwo, J., Gyorgy, E.M., McWhan, D.B., Hong, M., DiSalvo, F.J., Vettier, C. and Bower, J.E., Phys. Rev. Lett. 55, 1402 (1985).CrossRefGoogle Scholar
4. Cunningham, J.E. and Flynn, C.P., J. Phys. F 15, L221 (1985).CrossRefGoogle Scholar
5. Zheng, J.Q., Ketterson, J.B., Felcher, G.P., J. Appl. Phys. 53, 3624 (1982).CrossRefGoogle Scholar
6. Durbin, S.M., University of Illinois Ph.D. Thesis, 1983.Google Scholar
7. Uher, C., Clarke, R., G.-G. Zheng and Schuller, I.K., Phys. Rev. B 30, 453 (1984).Google Scholar
8. Verma, A.R. and Krishna, P., Polymorphism and Polytypism in Crystals (Wiley, New York, 1966).Google Scholar
9. Bruinsma, R. and Zangwill, A., Phys. Rev. Lett. 55, 214 (1985).CrossRefGoogle Scholar