Magnetic X-Ray Dichroism Study of the Nearest-Neighbor Spin-Spin Correlation Function and Long-Range Magnetic Order Parameter in Antiferromagnetic NiO
- Alders, D.
- Vogei, J.
- Levelut, C.
- Peacor, S.
- Hibma, T.
- Sacchi, M.
- Tjeng, L.
- Chen, C.
- van der Laan, G.
- Thole, B.
- Sawatzky, G.
DOIAbstract
A new effect on the X-ray absorption line shape is described which is proportional to the nearest-neighbor spin-spin correlation function. We present theory and demonstrate the use of linear polarized X-ray absorption spectroscopy to study the temperature dependence of the long-range order parameter and the nearest-neighbor spin-spin correlation function in antiferromagnetic NiO
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