Local magnetic ordering in La1-xCaxMnO3 determined by spin-polarized x-ray absorption spectroscopy

Q. Qian; T. A. Tyson; C. C. Kao; M. Croft; A. Yu Ignatov

doi:10.1063/1.1473700

Local magnetic ordering in La_1-xCa_xMnO₃ determined by spin-polarized x-ray absorption spectroscopy

Q. Qian, T. A. Tyson, C. C. Kao, M. Croft, A. Yu Ignatov

Physics

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22 Scopus citations

Abstract

A systematic study of spin-dependent Mn K-edge x-ray absorption spectra was performed on La_1-xCa_xMnO₃. By examining the changes in the pre-edge spectra with the temperature, a model of the excitation process is developed and used to predict the temperature dependent changes in the local magnetic ordering about Mn sites. The approach is of general applicability to perovskite systems. It can be used to determine the change in the local magnetic order (ferromagnetic versus antiferromagnetic) about a transition metal site upon going through a transition or as the result of external perturbations.

Original language	English (US)
Pages (from-to)	3141-3143
Number of pages	3
Journal	Applied Physics Letters
Volume	80
Issue number	17
DOIs	https://doi.org/10.1063/1.1473700
State	Published - Apr 29 2002

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.1473700

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abstract = "A systematic study of spin-dependent Mn K-edge x-ray absorption spectra was performed on La1-xCaxMnO3. By examining the changes in the pre-edge spectra with the temperature, a model of the excitation process is developed and used to predict the temperature dependent changes in the local magnetic ordering about Mn sites. The approach is of general applicability to perovskite systems. It can be used to determine the change in the local magnetic order (ferromagnetic versus antiferromagnetic) about a transition metal site upon going through a transition or as the result of external perturbations.",

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AU - Qian, Q.

AU - Tyson, T. A.

AU - Kao, C. C.

AU - Croft, M.

AU - Ignatov, A. Yu

PY - 2002/4/29

Y1 - 2002/4/29

N2 - A systematic study of spin-dependent Mn K-edge x-ray absorption spectra was performed on La1-xCaxMnO3. By examining the changes in the pre-edge spectra with the temperature, a model of the excitation process is developed and used to predict the temperature dependent changes in the local magnetic ordering about Mn sites. The approach is of general applicability to perovskite systems. It can be used to determine the change in the local magnetic order (ferromagnetic versus antiferromagnetic) about a transition metal site upon going through a transition or as the result of external perturbations.

AB - A systematic study of spin-dependent Mn K-edge x-ray absorption spectra was performed on La1-xCaxMnO3. By examining the changes in the pre-edge spectra with the temperature, a model of the excitation process is developed and used to predict the temperature dependent changes in the local magnetic ordering about Mn sites. The approach is of general applicability to perovskite systems. It can be used to determine the change in the local magnetic order (ferromagnetic versus antiferromagnetic) about a transition metal site upon going through a transition or as the result of external perturbations.

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JF - Applied Physics Letters

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ER -

Local magnetic ordering in La_1-xCa_xMnO₃ determined by spin-polarized x-ray absorption spectroscopy

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