Doping dependence of collective spin and orbital excitations in the Spin-1 quantum antiferromagnet La₂₋ₓSrₓNiO₄ oObserved by X rays.

Doping dependence of collective spin and orbital excitations in the Spin-1 quantum antiferromagnet La₂₋ₓSrₓNiO₄ oObserved by X rays.

We report the first empirical demonstration that resonant inelastic x-ray scattering (RIXS) is sensitive to collective magnetic excitations in S=1 systems by probing the Ni L₃ edge of La₂₋ₓSrₓNiO₄ (x=0, 0.33, 0.45). The magnetic excitation peak is asymmetric, indicating the presence of single and mu...

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Hauptverfasser: Fabbris, G, Meyers, D, Xu, L, Katukuri, V, Hozoi, L, Liu, X, Chen, Z, Okamoto, J, Schmitt, T, Uldry, A, Delley, B, Gu, G, Prabhakaran, D, Boothroyd, A, van den Brink, J, Huang, D, Dean, M
Format: Journal article
Sprache:English
Veröffentlicht: American Physical Society 2017
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