The magnetic properties of BaLaCoIrO6 and Ba3CoIrxRu2-xO9

P. D. Battle, J. G. Gore, R. C. Hollyman, A. V. Powell

Research output: Contribution to journalArticle

Abstract

The magnetic structure of the antiferromagnetic phase of the pseudo-cubic perovskite BaLaCoIrO6 has been determined from time-of-flight powder neutron diffraction data collected at a temperature of 4 K. The Co(II) cations adopt a Type II collinear spin structure with an ordered moment of 2.8(2) µB per Co(II); the Ir(V) cations do not have a detectable ordered magnetic moment. Magnetic susceptibility measurements on the compounds Ba3CoIrxRu2-xO9 (0<x=2) resulted in the observation of weak ferromagnetism; the saturation magnetization decreased with increasing Ru content. Comparisons are made between BaLaCoIrO6 and the spin glass BaLaCoRuO6, and also between Ba3CoIr2O9 and antiferromagnetic Ba3CoRu2O9. The behaviour of the nominally non-magnetic Ir(V) cations is discussed and contrasted with that of diamagnetic Sb(V) in Ba3CoSb2O9 and Ba3CoIrSbO9. © 1995.

Original languageEnglish
Pages (from-to)110-116
Number of pages7
JournalJournal of Alloys and Compounds
Volume218
Issue number1
Publication statusPublished - 15 Feb 1995

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magnetic properties
cations
spin glass
ferromagnetism
neutron diffraction
magnetic moments
moments
magnetic permeability
saturation
magnetization
temperature

Keywords

  • Antiferromagnetic phase
  • Magnetic structure
  • Neutron diffraction

Cite this

Battle, P. D., Gore, J. G., Hollyman, R. C., & Powell, A. V. (1995). The magnetic properties of BaLaCoIrO6 and Ba3CoIrxRu2-xO9. Journal of Alloys and Compounds, 218(1), 110-116.
Battle, P. D. ; Gore, J. G. ; Hollyman, R. C. ; Powell, A. V. / The magnetic properties of BaLaCoIrO6 and Ba3CoIrxRu2-xO9. In: Journal of Alloys and Compounds. 1995 ; Vol. 218, No. 1. pp. 110-116.
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Battle, PD, Gore, JG, Hollyman, RC & Powell, AV 1995, 'The magnetic properties of BaLaCoIrO6 and Ba3CoIrxRu2-xO9', Journal of Alloys and Compounds, vol. 218, no. 1, pp. 110-116.

The magnetic properties of BaLaCoIrO6 and Ba3CoIrxRu2-xO9. / Battle, P. D.; Gore, J. G.; Hollyman, R. C.; Powell, A. V.

In: Journal of Alloys and Compounds, Vol. 218, No. 1, 15.02.1995, p. 110-116.

Research output: Contribution to journalArticle

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T1 - The magnetic properties of BaLaCoIrO6 and Ba3CoIrxRu2-xO9

AU - Battle, P. D.

AU - Gore, J. G.

AU - Hollyman, R. C.

AU - Powell, A. V.

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AB - The magnetic structure of the antiferromagnetic phase of the pseudo-cubic perovskite BaLaCoIrO6 has been determined from time-of-flight powder neutron diffraction data collected at a temperature of 4 K. The Co(II) cations adopt a Type II collinear spin structure with an ordered moment of 2.8(2) µB per Co(II); the Ir(V) cations do not have a detectable ordered magnetic moment. Magnetic susceptibility measurements on the compounds Ba3CoIrxRu2-xO9 (06 and the spin glass BaLaCoRuO6, and also between Ba3CoIr2O9 and antiferromagnetic Ba3CoRu2O9. The behaviour of the nominally non-magnetic Ir(V) cations is discussed and contrasted with that of diamagnetic Sb(V) in Ba3CoSb2O9 and Ba3CoIrSbO9. © 1995.

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KW - Magnetic structure

KW - Neutron diffraction

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Battle PD, Gore JG, Hollyman RC, Powell AV. The magnetic properties of BaLaCoIrO6 and Ba3CoIrxRu2-xO9. Journal of Alloys and Compounds. 1995 Feb 15;218(1):110-116.