Fe-induced magnetic transition in YBa2(Cu1-x57Fex)3O6 by NQR and Mössbauer spectroscopy

L. Bottyán, A. Jánossy, A. Barcs, I. Fúró, J. Dengler, D. L. Nagy

Research output: Contribution to journalArticle

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Abstract

Nuclear quadrupole resonance spectroscopy (around 30 MHz) on the chain site Cu(1) nuclei in oxygen deficient YBa2(Cu1-xFex)3O6 doped with different amounts of57Fe (x≤0.01) reveal an onset of magnetic order at low temperatures represented by a symmetrical doublet contribution to the nuclear quadrupole resonance (NQR) spectrum. The onset temperature TN2 depends on the concentration of Fe reaching 130 K for x=0.01. The splitting for x=0.01 at 100 K corresponds to a net internal field of 0.09 T with a distribution of ≈0.08 T representing about 70 percent of the Cu(1) nuclei.57Fe and57Co Mössbauer spectroscopy at 4.2 K with and without an external magnetic field of 5 T revealed that below x=0.00015 Fe spins are decoupled from the Cu(2) moments in the antiferromagnetic state. Results are interpreted in terms of the magnetic model structure suggested by Kadowaki et al. [1].

Original languageEnglish
Pages (from-to)1219-1227
Number of pages9
JournalHyperfine Interactions
Volume55
Issue number1-4
DOIs
Publication statusPublished - Jul 1990

Fingerprint

Nuclear quadrupole resonance
nuclear quadrupole resonance
Spectroscopy
Model structures
spectroscopy
Magnetic fields
Oxygen
moments
Temperature
nuclei
oxygen
magnetic fields
temperature

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics
  • Condensed Matter Physics
  • Physics and Astronomy(all)
  • Electronic, Optical and Magnetic Materials

Cite this

Fe-induced magnetic transition in YBa2(Cu1-x57Fex)3O6 by NQR and Mössbauer spectroscopy. / Bottyán, L.; Jánossy, A.; Barcs, A.; Fúró, I.; Dengler, J.; Nagy, D. L.

In: Hyperfine Interactions, Vol. 55, No. 1-4, 07.1990, p. 1219-1227.

Research output: Contribution to journalArticle

Bottyán, L. ; Jánossy, A. ; Barcs, A. ; Fúró, I. ; Dengler, J. ; Nagy, D. L. / Fe-induced magnetic transition in YBa2(Cu1-x57Fex)3O6 by NQR and Mössbauer spectroscopy. In: Hyperfine Interactions. 1990 ; Vol. 55, No. 1-4. pp. 1219-1227.
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