Superconductivity and magnetic order in the Cu(2) planes in Fe-doped YBa2Cu4O8

I. Felner; I. Nowik; B. Brosh; D. Hechel; E. R. Bauminger

doi:10.1103/PhysRevB.43.8737

Superconductivity and magnetic order in the Cu(2) planes in Fe-doped YBa2Cu4O8

I. Felner^*, I. Nowik, B. Brosh, D. Hechel, E. R. Bauminger

^*Corresponding author for this work

Racah Institute of Physics

Research output: Contribution to journal › Article › peer-review

31 Scopus citations

Abstract

Mössbauer spectroscopy, magnetic susceptibility, and powder x-ray diffraction measurements were used to study superconductivity and magnetic order in YBa2(CU1-xFex)4O8+. $T sub c is reduced with increasing Fe concentration and superconductivity is totally depressed for x>0.04. The Mössbauer spectra show that at concentrations where superconductivity disappears magnetic order, probably antiferromagnetism, is formed in the Cu(2) site. The phase diagram obtained is similar to those previously obtained for Y1-xPrxBa2(Cu1-yFey)3O7+. [P.R.L., 65, 1945 (1990)]. In the superconducting region Fe atoms occupy only the Cu(1) sites and the Fe57 Mössbauer spectrum contains only one doublet.

Original language	English
Pages (from-to)	8737-8740
Number of pages	4
Journal	Physical Review B
Volume	43
Issue number	10
DOIs	https://doi.org/10.1103/PhysRevB.43.8737
State	Published - 1991

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title = "Superconductivity and magnetic order in the Cu(2) planes in Fe-doped YBa2Cu4O8",

abstract = "M{\"o}ssbauer spectroscopy, magnetic susceptibility, and powder x-ray diffraction measurements were used to study superconductivity and magnetic order in YBa2(CU1-xFex)4O8+. $T sub c is reduced with increasing Fe concentration and superconductivity is totally depressed for x>0.04. The M{\"o}ssbauer spectra show that at concentrations where superconductivity disappears magnetic order, probably antiferromagnetism, is formed in the Cu(2) site. The phase diagram obtained is similar to those previously obtained for Y1-xPrxBa2(Cu1-yFey)3O7+. [P.R.L., 65, 1945 (1990)]. In the superconducting region Fe atoms occupy only the Cu(1) sites and the Fe57 M{\"o}ssbauer spectrum contains only one doublet.",

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T1 - Superconductivity and magnetic order in the Cu(2) planes in Fe-doped YBa2Cu4O8

AU - Felner, I.

AU - Nowik, I.

AU - Brosh, B.

AU - Hechel, D.

AU - Bauminger, E. R.

PY - 1991

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N2 - Mössbauer spectroscopy, magnetic susceptibility, and powder x-ray diffraction measurements were used to study superconductivity and magnetic order in YBa2(CU1-xFex)4O8+. $T sub c is reduced with increasing Fe concentration and superconductivity is totally depressed for x>0.04. The Mössbauer spectra show that at concentrations where superconductivity disappears magnetic order, probably antiferromagnetism, is formed in the Cu(2) site. The phase diagram obtained is similar to those previously obtained for Y1-xPrxBa2(Cu1-yFey)3O7+. [P.R.L., 65, 1945 (1990)]. In the superconducting region Fe atoms occupy only the Cu(1) sites and the Fe57 Mössbauer spectrum contains only one doublet.

AB - Mössbauer spectroscopy, magnetic susceptibility, and powder x-ray diffraction measurements were used to study superconductivity and magnetic order in YBa2(CU1-xFex)4O8+. $T sub c is reduced with increasing Fe concentration and superconductivity is totally depressed for x>0.04. The Mössbauer spectra show that at concentrations where superconductivity disappears magnetic order, probably antiferromagnetism, is formed in the Cu(2) site. The phase diagram obtained is similar to those previously obtained for Y1-xPrxBa2(Cu1-yFey)3O7+. [P.R.L., 65, 1945 (1990)]. In the superconducting region Fe atoms occupy only the Cu(1) sites and the Fe57 Mössbauer spectrum contains only one doublet.

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Superconductivity and magnetic order in the Cu(2) planes in Fe-doped YBa2Cu4O8

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