Observation of multiple Zhang-Rice excitations in a correlated solid : resonant inelastic X-ray scattering study of Li₂CuO₂ | Macquarie University ResearchOnline

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Title: Observation of multiple Zhang-Rice excitations in a correlated solid : resonant inelastic X-ray scattering study of Li₂CuO₂
Related: Europhysics letters, Vol. 79, Issue 4, p.47012-1-47012-5
DOI: 10.1209/0295-5075/79/47012
Publisher: EDP Sciences
Date: 2007
Author/Creator: Learmonth, T
Author/Creator: McGuinness, C
Author/Creator: Glans, P.-A
Author/Creator: Downes, J. E
Author/Creator: Schmitt, T
Author/Creator: Duda, L.-C
Author/Creator: Guo, J.-H
Author/Creator: Chou, F. C
Author/Creator: Smith, K. E
Description: Multiple Zhang-Rice type spectral features have been observed in resonant inelastic X-ray scattering (RIXS) from the quasi–one-dimensional cuprate charge transfer insulator Li₂CuO₂. The first feature appears at constant emission energy, and is associated with a Zhang-Rice singlet final state. The second is an interplaquette charge transfer excitation that results in a novel triplet Zhang-Rice–type final state. It is accompanied by the presence of a O 2p nonbonding to upper Hubbard band excitation at an energy close to that of a calculated triplet charge transfer Zhang-Rice–type excitation. The site selectivity and polarization rules associated with RIXS allows these two excitations to be distinguished.
Description: 5 page(s)
Resource Type: journal article
Organisation: Macquarie University. Dept. of Physics

Identifier: http://hdl.handle.net/1959.14/41922
Identifier: ISSN:0295-5075
Identifier: mq-rm-2007004082
Language: eng
Rights: Copyright 2007 EDP Sciences. Reprinted from Europhysics letters. The original publication is available at http://epljournal.edpsciences.org/.
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