The charge state of 57Fe doped into YBa2Cu3O7−x

Suharan, S.; Johnson, C. E.; Jones, D. H.; Thomas, Michael F.; Driver, R.

doi:10.1016/0038-1098(88)90947-7

Cited by 18 publications

(2 citation statements)

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“…Previously it has been proposed that the spectral shape of some iron-doped Y-Ba-Cu-Ocompoundsmay be interpreted by relaxationeffects [5,6]. In principle it isdifficult to discern between inhomogeneous and dynamic broadenings in Mossbauer spectra.…”

Section: Discussionmentioning

confidence: 99%

“…The ambiguity in the fitting procedure yielding highly correlated parameter sets and also the proposal by other groups [5,6] that this type of spectra may also be interpreted by relaxation effects led us to perform a further study of the temperature-dependent magnetic hyperfine interaction for several samples with a Fe concentration x of 0.10.…”

Section: Introductionmentioning

confidence: 99%

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The magnetic hyperfine interaction in superconducting YBa₂(Cu_0.90Fe_0.10)₃O_{7- delta}

Baggio-Saitovitch

Litterst

1991

J. Phys.: Condens. Matter

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The temperature dependences of the magnetic hyperfine interactions of three iron species occurring in YBai(C~.uFeo.,)O,.n have been studied by nFe Messbauer rpectroscopy. The analysis was performed using the eigenvalues and eigenvectors of the Hamiltonian of the combined electric quadrupole inleraciions and the magnetic hyperfine interactions for determination of the line positions and intensities. This allows one to derive the electric field gradients wilh their signs and their directions versus the magnetic hyperfine fields. Eridence is given that the magnetic hyperfine splitlings are not due to slow paramagnetic relaxation but are caused by magnetic order probably of a highly anisotropic antiferromagnetic type

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%