Abstract
57Fe Mössbauer spectra of a fullyc-axis oriented epitaxial thin film of YBa2(Cu0.97 57Fe0.03)3O7, recorded by CEMS, are reported. Spectra taken at different angles between the normal of the film (i.e. thec-axis) and the gamma ray direction show that for two of the three observed quadrupole doublets the main component of the EFG lies in thea−b-plane, for the third doublet it is parallel to thec-axis. The EFG of all three doublets has approximately axial symmetry.
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Dengler, J., Ritter, G., Saemann-Ischenko, G. et al. A CEMS study of ac-axis oriented thin film of YBa2(Cu0.97 57Fe0.03)3O7 . Hyperfine Interact 55, 1267–1272 (1990). https://doi.org/10.1007/BF02397158
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DOI: https://doi.org/10.1007/BF02397158