Electronic structure and evolution of the orbital state in metallic Ca2-xSrxRuO4

Noh, Han-Jin; Oh, S.-J.; Park, B.-G.; Park, J.-H.; Kim, J.-Y.; Kim, H.-D.; Mizokawa, T.; Tjeng, L. H.; Lin, H.-J.; Chen, C. T.; Schuppler, S.; Nakatsuji, S.; Fukazawa, H.; Maeno, Y.

doi:10.1103/PhysRevB.72.052411

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Electronic structure and evolution of the orbital state in metallic Ca_2-xSr_xRuO₄

Noh, H.-J., Oh, S.-J., Park, B.-G., Park, J.-H., Kim, J.-Y., Kim, H.-D., et al. (2005). Electronic structure and evolution of the orbital state in metallic Ca_2-xSr_xRuO₄. Physical Review B, 72(5): 052411, pp. 1-4. doi:10.1103/PhysRevB.72.052411.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0019-17D0-6 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0019-17D2-2

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Noh, Han-Jin¹, Author
Oh, S.-J.¹, Author
Park, B.-G.¹, Author
Park, J.-H.¹, Author
Kim, J.-Y.¹, Author
Kim, H.-D.¹, Author
Mizokawa, T.¹, Author
Tjeng, L. H.², Author
Lin, H.-J.¹, Author
Chen, C. T.¹, Author
Schuppler, S.¹, Author
Nakatsuji, S.¹, Author
Fukazawa, H.¹, Author
Maeno, Y.¹, Author

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1external, ou_persistent22
2External Organizations, ou_persistent22

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Abstract: We investigated the electronic structure of a layered Ca2-xSrxRuO4 in a metallic regime (0.15 <= x <= 2.0) using a polarization dependent O 1s x-ray absorption spectroscopy. The spectrum shows strong variations with the polarization especially in Ru 4d region, which enables us to identify the electronic states. The spectral line shape gradually changes with increase of Sr concentration, and agrees well with an unrestricted Hartree-Fock analysis, which suggests evolution of the orbital states and provides clues for how the lattice distortion affects the orbital occupations.

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Dates: Date issued: 2005-08-24

Publication Status: Issued

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Identifiers: ISI: 000231564300022
DOI: 10.1103/PhysRevB.72.052411

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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: 72 (5) Sequence Number: 052411 Start / End Page: 1 - 4 Identifier: ISSN: 1098-0121
CoNE: https://pure.mpg.de/cone/journals/resource/954925225008