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  Determination of the Orbital Moment and Crystal-Field Splitting in LaTiO3

Haverkort, M. W., Hu, Z., Tanaka, A., Ghiringhelli, G., Roth, H., Cwik, M., et al. (2005). Determination of the Orbital Moment and Crystal-Field Splitting in LaTiO3. Physical Review Letters, 94(5): 056401, pp. 1-4. doi:10.1103/PhysRevLett.94.056401.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0019-17B7-F Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0019-17B9-B
Genre: Journal Article

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Haverkort, M. W.1, Author
Hu, Z.1, Author
Tanaka, A.1, Author
Ghiringhelli, G.1, Author
Roth, H.1, Author
Cwik, M.1, Author
Lorenz, T.1, Author
Schüßler-Langeheine, C.1, Author
Streltsov, S. V.1, Author
Mylnikova, A. S.1, Author
Anisimov, V. I.1, Author
de Nadai, C.1, Author
Brookes, N. B.1, Author
Hsieh, H. H.1, Author
Lin, H.-J.1, Author
Chen, C. T.1, Author
Mizokawa, T.1, Author
Taguchi, Y.1, Author
Tokura, Y.1, Author
Khomskii, D. I.1, Author
Tjeng, L. H.2, Author            more..
Affiliations:
1external, ou_persistent22              
2External Organizations, ou_persistent22              

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 Abstract: Utilizing a sum rule in a spin-resolved photoelectron spectroscopic experiment with circularly polarized light, we show that the orbital moment in LaTiO3 is strongly reduced from its ionic value, both below and above the Neel temperature. Using Ti L-2,L-3 x-ray absorption spectroscopy as a local probe, we found that the crystal-field splitting in the t(2g) subshell is about 0.12-0.30 eV. This large splitting does not facilitate the formation of an orbital liquid.

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 Dates: 2005-02-07
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: ISI: 000226941500053
DOI: 10.1103/PhysRevLett.94.056401
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Title: Physical Review Letters
  Other : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: - Volume / Issue: 94 (5) Sequence Number: 056401 Start / End Page: 1 - 4 Identifier: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406_1