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  Inelastic x-ray scattering from valence electrons near absorption edges of FeTe and TiSe2

Barbiellini, B., Hancock, J. N., Monney, C., Joly, Y., Ghiringhelli, G., Braicovich, L., et al. (2014). Inelastic x-ray scattering from valence electrons near absorption edges of FeTe and TiSe2. Physical Review B, 89(23): 235138. doi:10.1103/PhysRevB.89.235138.

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PhysRevB.89.235138.pdf (Publisher version), 526KB
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PhysRevB.89.235138.pdf
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Barbiellini, B.1, Author
Hancock, J. N.2, 3, Author
Monney, Claude4, Author           
Joly, Y.5, 6, Author
Ghiringhelli, G.7, Author
Braicovich, L.7, Author
Schmitt, T.8, Author
Affiliations:
1Physics Department, Northeastern University, Boston, Massachusetts 02115, USA, ou_persistent22              
2Department of Physics, University of Connecticut, Storrs, Connecticut 06269, USA, ou_persistent22              
3Institute for Materials Science, 97 North Eagleville Road, Storrs, Connecticut 06269, USA, ou_persistent22              
4Physical Chemistry, Fritz Haber Institute, Max Planck Society, ou_634546              
5Université Grenoble Alpes, Institut NEEL, F-38000 Grenoble, France, ou_persistent22              
6CNRS, Institut NEEL, F-38042 Grenoble, France, ou_persistent22              
7CNR/SPIN and Dipartimento di Fisica, Politecnico di Milano, Piazza Leonardo da Vinci 32, I-20133 Milano, Italy, ou_persistent22              
8Paul Scherrer Institut, CH-5232 Villigen PSI, Switzerland, ou_persistent22              

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 Abstract: We study resonant inelastic x-ray scattering (RIXS) peaks corresponding to low-energy particle-hole excited states of metallic FeTe and semimetallic TiSe2 for photon incident energy tuned near the L3 absorption edge of Fe and Ti, respectively. We show that the cross-section amplitudes are well described within a renormalization-group theory where the effect of the core electrons is captured by effective dielectric functions expressed in terms of the the atomic scattering parameters f1 of Fe and Ti. This method can be used to extract the dynamical structure factor from experimental RIXS spectra in metallic systems.

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Language(s): eng - English
 Dates: 2014-06-102014-04-232014-06-302014-06-30
 Publication Status: Issued
 Pages: 5
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevB.89.235138
 Degree: -

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Title: Physical Review B
  Other : Phys. Rev. B
Source Genre: Journal
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Publ. Info: Woodbury, NY : American Physical Society
Pages: - Volume / Issue: 89 (23) Sequence Number: 235138 Start / End Page: - Identifier: ISSN: 1098-0121
CoNE: https://pure.mpg.de/cone/journals/resource/954925225008