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- F. Weigand
- Max-Planck-Institut für Metallforschung, 70569 Stuttgart, Germany
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- S. Gold
- Max-Planck-Institut für Metallforschung, 70569 Stuttgart, Germany
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- A. Schmid
- Max-Planck-Institut für Metallforschung, 70569 Stuttgart, Germany
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- J. Geissler
- Max-Planck-Institut für Metallforschung, 70569 Stuttgart, Germany
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- E. Goering
- Max-Planck-Institut für Metallforschung, 70569 Stuttgart, Germany
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- K. Dörr
- IFW Dresden, 01171 Dresden, Germany
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- G. Krabbes
- IFW Dresden, 01171 Dresden, Germany
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- K. Ruck
- IFW Dresden, 01171 Dresden, Germany
書誌事項
- 公開日
- 2002-09-09
- DOI
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- 10.1063/1.1506792
- 公開者
- AIP Publishing
この論文をさがす
説明
<jats:p>X-ray magnetic circular dichroism measurements in the hard and soft x-ray region have been performed at Mn K and L2,3 edges of the ruthenium (with x=0.05, 0.1 and 0.5) doped Ruddlesden–Popper-phase La1.2Sr1.8Mn2−xRuxO7. In combination with magnetometry, clear evidence of unexpected antiferromagnetic sublattice coupling between manganese and ruthenium was found. A simple coupling model of Mn+3/Mn+4 and Ru+3/Ru+4 ions in the high-spin state is proposed which explains the antiparallel alignment and the technological interesting increase of the Curie temperature.</jats:p>
収録刊行物
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- Applied Physics Letters
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Applied Physics Letters 81 (11), 2035-2037, 2002-09-09
AIP Publishing