Electronic structure and evolution of the orbital state in metallic Ca2-x Srx Ru O4

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

doi:10.1103/PhysRevB.72.052411

Electronic structure and evolution of the orbital state in metallic Ca2-x Srx Ru O4

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

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

31 Citations (Scopus)

Abstract

We investigated the electronic structure of a layered Ca2-x Srx Ru O4 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.

Original language	English
Article number	052411
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	72
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevB.72.052411
Publication status	Published - 2005 Aug 1
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

Access to Document

10.1103/PhysRevB.72.052411

Cite this

Noh, H. J., 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. (2005). Electronic structure and evolution of the orbital state in metallic Ca2-x Srx Ru O4. Physical Review B - Condensed Matter and Materials Physics, 72(5), Article 052411. https://doi.org/10.1103/PhysRevB.72.052411

@article{2e8da17e5ece40d8b4e00766760a07e6,

title = "Electronic structure and evolution of the orbital state in metallic Ca2-x Srx Ru O4",

abstract = "We investigated the electronic structure of a layered Ca2-x Srx Ru O4 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.",

author = "Noh, {Han Jin} and Oh, {S. J.} and Park, {B. G.} and Park, {J. H.} and Kim, {J. Y.} and Kim, {H. D.} and T. Mizokawa and Tjeng, {L. H.} and Lin, {H. J.} and Chen, {C. T.} and S. Schuppler and S. Nakatsuji and H. Fukazawa and Y. Maeno",

year = "2005",

month = aug,

day = "1",

doi = "10.1103/PhysRevB.72.052411",

language = "English",

volume = "72",

journal = "Physical Review B - Condensed Matter and Materials Physics",

issn = "1098-0121",

publisher = "American Institute of Physics Publising LLC",

number = "5",

}

TY - JOUR

T1 - Electronic structure and evolution of the orbital state in metallic Ca2-x Srx Ru O4

AU - Noh, Han Jin

AU - Oh, S. J.

AU - Park, B. G.

AU - Park, J. H.

AU - Kim, J. Y.

AU - Kim, H. D.

AU - Mizokawa, T.

AU - Tjeng, L. H.

AU - Lin, H. J.

AU - Chen, C. T.

AU - Schuppler, S.

AU - Nakatsuji, S.

AU - Fukazawa, H.

AU - Maeno, Y.

PY - 2005/8/1

Y1 - 2005/8/1

N2 - We investigated the electronic structure of a layered Ca2-x Srx Ru O4 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.

AB - We investigated the electronic structure of a layered Ca2-x Srx Ru O4 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.

UR - http://www.scopus.com/inward/record.url?scp=33644949227&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=33644949227&partnerID=8YFLogxK

U2 - 10.1103/PhysRevB.72.052411

DO - 10.1103/PhysRevB.72.052411

M3 - Article

AN - SCOPUS:33644949227

SN - 1098-0121

VL - 72

JO - Physical Review B - Condensed Matter and Materials Physics

JF - Physical Review B - Condensed Matter and Materials Physics

IS - 5

M1 - 052411

ER -

Electronic structure and evolution of the orbital state in metallic Ca2-x Srx Ru O4

Abstract

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Cite this