Spatial Variation in the Raman Spectrum of Sr Ti O3

  • D. C. O’Shea
  • H. Z. Cummins
Conference paper


With traditional Raman sources the observed spectra were spatial averages of the Raman scattering over a large volume of the sample. Since the advent of the laser with its high degree of spatial coherence, the beam can be easily focused to a 10μ cross-section, allowing one to explore possible spatial variation in the Raman scattering[1]. This technique is particularly useful for the study of crystals which exhibit domain structure since it permits distinction between the true bulk spectrum and possible effects associated with inhomogeneities at domain boundaries.


Domain Wall Raman Scattering Raman Intensity Strontium Titanate Beam Position 
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  1. 1.
    M. Born and E. Wolf, “Principles of Optics,” 3rd edition, section 8.8, Pergamon, London, 1965.Google Scholar
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    F.W. Lytle, Jour. Appl. Phys. 35, 2212 (1964).CrossRefGoogle Scholar
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    D.C. O’Shea, unpublished Ph.D. dissertation, 1968, The Johns Hopkins University, Baltimore, Maryland.Google Scholar
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    P.A. Fleury, J.F. Scott, and J.M. Worlock, Phys. Rev. Letters 21, 16 (1968).CrossRefGoogle Scholar
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    J.M. Worlock, J.F.Scott, and P.A. Fleury, paper H-7 this conference.Google Scholar

Copyright information

© Springer Science+Business Media New York 1969

Authors and Affiliations

  • D. C. O’Shea
    • 1
  • H. Z. Cummins
    • 1
  1. 1.The Johns Hopkins UniversityBaltimoreMarylandUSA

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