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Normal-State Infrared Anisotropy of Polycrystalline La1.85Sr0.15CuO4-y

Published online by Cambridge University Press:  28 February 2011

G. L. Doll ,
J. Steinbeck ,
M. S. Dresselhaus ,
G. Dresselhaus ,
A. J. Strauss ,
H. J. Zeiger ,
G. Phillips  and
J. Waldman
G. L. Doll
Affiliation:
Department of Physics, Massachusetts Institute of Technology, Cambridge, MA 02139
J. Steinbeck
Affiliation:
Department of Physics, Massachusetts Institute of Technology, Cambridge, MA 02139
M. S. Dresselhaus
Affiliation:
Department of Physics, Massachusetts Institute of Technology, Cambridge, MA 02139
G. Dresselhaus
Affiliation:
National Magnet Laboratory, Massachusetts Institute of Technology, Cambridge, MA 02139
A. J. Strauss
Affiliation:
Lincoln Laboratory, Massachusetts Institute of Technology, Lexington, MA 02173
H. J. Zeiger
Affiliation:
Lincoln Laboratory, Massachusetts Institute of Technology, Lexington, MA 02173
G. Phillips
Affiliation:
Department of Physics, University of Lowell, Lowell, MA 01854
J. Waldman
Affiliation:
Department of Physics, University of Lowell, Lowell, MA 01854
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Abstract

By examining the reflectance spectra of polycrystalline La1.85Sr0.15CuO4-y and La2NiO4-y in relation to the results of ir studies on single-crystal La2NiO4-y, we have determined the normal-state (room temperature) optical anisotropy of La1.85Sr0.15CuO4-y in the frequency range 40 cm-1 to 4800 cm-1. Vibrational and electronic properties corresponding to this anisotropy are examined, and a method is presented for extracting the optical properties of the superconducting state of La1.85Sr0.15CuO4-y.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 99: Symposium AA – High-Temperature Superconductors , 1987 , 841
Copyright
Copyright © Materials Research Society 1988

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References

REFERENCES

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