Mössbauer spectra of 57Fe in a thick film of YBa2(Cu0.97Fe0.03)3O7 - X irradiated by a large dose of γ-rays

M. Z. Jin; X. W. Liu; M. L. Liu; J. Xu; R. Liu; Y. Q. Jia

doi:10.1016/S0921-4534(97)01561-X

Mössbauer spectra of ⁵⁷Fe in a thick film of YBa₂(Cu_0.97Fe_0.03)₃O_{7 - X} irradiated by a large dose of γ-rays

M. Z. Jin, X. W. Liu, M. L. Liu, J. Xu, R. Liu, Y. Q. Jia

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Abstract

Mössbauer spectra of ⁵⁷Fe in a thick film YBa₂(Cu_0.97Fe_0.03)₃O_{7 - x} irradiated by a large dose of γ-rays from ⁶⁰Co have been measured. The variation of the relative intensities of some subspectra of ⁵⁷Fe in the Mössbauer spectra of the thick film YBa₂(Cu_0.97Fe_0.03)₃O_{7 - x} after irradiation can be observed. This variation indicates that the change of the coordination environment around some Fe atoms in the lattice occurs due to irradiation. The relative intensity of subspectrum D1(Fe) at the Cu(1) site decreases and that of subspectrum D4(Fe) at the Cu(1) site increases. This may be because of the possible oxygen atom hopping between the coordination environments of D1(Fe) and D4(Fe) in the lattice caused by irradiation. The effect of irradiation on the coordination environment around the Fe atom at the Cu(2) site is not appreciable.

Original language	English (US)
Pages (from-to)	226-230
Number of pages	5
Journal	Physica C: Superconductivity and its Applications
Volume	288
Issue number	3-4
DOIs	https://doi.org/10.1016/S0921-4534(97)01561-X
State	Published - Sep 1 1997

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Energy Engineering and Power Technology
Electrical and Electronic Engineering

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@article{144a766a9ff2459480ad77e0e2afc595,

title = "M{\"o}ssbauer spectra of 57Fe in a thick film of YBa2(Cu0.97Fe0.03)3O7 - X irradiated by a large dose of γ-rays",

abstract = "M{\"o}ssbauer spectra of 57Fe in a thick film YBa2(Cu0.97Fe0.03)3O7 - x irradiated by a large dose of γ-rays from 60Co have been measured. The variation of the relative intensities of some subspectra of 57Fe in the M{\"o}ssbauer spectra of the thick film YBa2(Cu0.97Fe0.03)3O7 - x after irradiation can be observed. This variation indicates that the change of the coordination environment around some Fe atoms in the lattice occurs due to irradiation. The relative intensity of subspectrum D1(Fe) at the Cu(1) site decreases and that of subspectrum D4(Fe) at the Cu(1) site increases. This may be because of the possible oxygen atom hopping between the coordination environments of D1(Fe) and D4(Fe) in the lattice caused by irradiation. The effect of irradiation on the coordination environment around the Fe atom at the Cu(2) site is not appreciable.",

author = "Jin, {M. Z.} and Liu, {X. W.} and Liu, {M. L.} and J. Xu and R. Liu and Jia, {Y. Q.}",

year = "1997",

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doi = "10.1016/S0921-4534(97)01561-X",

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T1 - Mössbauer spectra of 57Fe in a thick film of YBa2(Cu0.97Fe0.03)3O7 - X irradiated by a large dose of γ-rays

AU - Jin, M. Z.

AU - Liu, X. W.

AU - Liu, M. L.

AU - Xu, J.

AU - Liu, R.

AU - Jia, Y. Q.

PY - 1997/9/1

Y1 - 1997/9/1

N2 - Mössbauer spectra of 57Fe in a thick film YBa2(Cu0.97Fe0.03)3O7 - x irradiated by a large dose of γ-rays from 60Co have been measured. The variation of the relative intensities of some subspectra of 57Fe in the Mössbauer spectra of the thick film YBa2(Cu0.97Fe0.03)3O7 - x after irradiation can be observed. This variation indicates that the change of the coordination environment around some Fe atoms in the lattice occurs due to irradiation. The relative intensity of subspectrum D1(Fe) at the Cu(1) site decreases and that of subspectrum D4(Fe) at the Cu(1) site increases. This may be because of the possible oxygen atom hopping between the coordination environments of D1(Fe) and D4(Fe) in the lattice caused by irradiation. The effect of irradiation on the coordination environment around the Fe atom at the Cu(2) site is not appreciable.

AB - Mössbauer spectra of 57Fe in a thick film YBa2(Cu0.97Fe0.03)3O7 - x irradiated by a large dose of γ-rays from 60Co have been measured. The variation of the relative intensities of some subspectra of 57Fe in the Mössbauer spectra of the thick film YBa2(Cu0.97Fe0.03)3O7 - x after irradiation can be observed. This variation indicates that the change of the coordination environment around some Fe atoms in the lattice occurs due to irradiation. The relative intensity of subspectrum D1(Fe) at the Cu(1) site decreases and that of subspectrum D4(Fe) at the Cu(1) site increases. This may be because of the possible oxygen atom hopping between the coordination environments of D1(Fe) and D4(Fe) in the lattice caused by irradiation. The effect of irradiation on the coordination environment around the Fe atom at the Cu(2) site is not appreciable.

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