57Fe and 151Eu Mössbauer studies of magnetoresistive Europium based cobalt perovskites

Z. Németh, E. Kuzmann, A. Vértes, Z. Homonnay, Z. Klencsár, J. M. Grenèche, J. Hakl, K. Vad, S. Mészáros, B. Lackner, K. Kellner, G. Gritzner

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Eu0.8Sr0.2FexCo1-xO 3-z CMR perovskites with different iron concentrations (x=0, 0.025, 0.075, 0.15, 0.3) were investigated by X-ray diffraction, AC magnetic susceptibility, magnetotransport, as well as 57Fe and 151Eu Mössbauer spectrometry. The valence state of europium ions was found to be trivalent, independently of the iron concentration. 57Fe Mössbauer spectra and magnetic susceptibility of the investigated perovskites presented complementary results for the magnetic transitions.

Original languageEnglish
Pages (from-to)1241-1246
Number of pages6
JournalHyperfine Interactions
Volume169
Issue number1-3
DOIs
Publication statusPublished - Apr 2006

Fingerprint

Europium
perovskites
europium
Cobalt
Magnetic susceptibility
cobalt
Iron
magnetic permeability
Galvanomagnetic effects
Spectrometry
iron
Ions
X ray diffraction
alternating current
valence
diffraction
spectroscopy
ions
x rays

Keywords

  • Doped transition metal compounds
  • Magnetoresistance
  • Mössbauer spectrometry
  • Perovskite

ASJC Scopus subject areas

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

Cite this

57Fe and 151Eu Mössbauer studies of magnetoresistive Europium based cobalt perovskites. / Németh, Z.; Kuzmann, E.; Vértes, A.; Homonnay, Z.; Klencsár, Z.; Grenèche, J. M.; Hakl, J.; Vad, K.; Mészáros, S.; Lackner, B.; Kellner, K.; Gritzner, G.

In: Hyperfine Interactions, Vol. 169, No. 1-3, 04.2006, p. 1241-1246.

Research output: Contribution to journalArticle

Németh, Z. ; Kuzmann, E. ; Vértes, A. ; Homonnay, Z. ; Klencsár, Z. ; Grenèche, J. M. ; Hakl, J. ; Vad, K. ; Mészáros, S. ; Lackner, B. ; Kellner, K. ; Gritzner, G. / 57Fe and 151Eu Mössbauer studies of magnetoresistive Europium based cobalt perovskites. In: Hyperfine Interactions. 2006 ; Vol. 169, No. 1-3. pp. 1241-1246.
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AU - Klencsár, Z.

AU - Grenèche, J. M.

AU - Hakl, J.

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