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Infrared signatures of hole and spin stripes in La2-xSrxCuO4

Publication ,  Journal Article
Padilla, WJ; Dumm, M; Komiya, S; Ando, Y; Basov, DN
Published in: Physical Review B - Condensed Matter and Materials Physics
November 15, 2005

We investigate the hole and lattice dynamics in a prototypical high-temperature superconducting system La2-xSrxCuO4 using infrared spectroscopy. By exploring the anisotropy in the electronic response of CuO2 planes we show that our results support the notion of stripes. Nevertheless, charge ordering effects are not apparent in the phonon spectra. All crystals show only the expected infrared active modes for orthorhombic phases without evidence for additional peaks that may be indicative of static charge ordering. Strong electron-phonon interaction manifests itself through the Fano line shape of several phonon modes. This analysis reveals anisotropic electron-phonon coupling across the phase diagram, including superconducting crystals. Due to the ubiquity of the CuO2 plane, these results may have implications for other high temperature superconductors. © 2005 The American Physical Society.

Duke Scholars

Published In

Physical Review B - Condensed Matter and Materials Physics

DOI

EISSN

1550-235X

ISSN

1098-0121

Publication Date

November 15, 2005

Volume

72

Issue

20

Related Subject Headings

  • Fluids & Plasmas
  • 09 Engineering
  • 03 Chemical Sciences
  • 02 Physical Sciences
 

Citation

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Padilla, W. J., Dumm, M., Komiya, S., Ando, Y., & Basov, D. N. (2005). Infrared signatures of hole and spin stripes in La2-xSrxCuO4. Physical Review B - Condensed Matter and Materials Physics, 72(20). https://doi.org/10.1103/PhysRevB.72.205101
Padilla, W. J., M. Dumm, S. Komiya, Y. Ando, and D. N. Basov. “Infrared signatures of hole and spin stripes in La2-xSrxCuO4.” Physical Review B - Condensed Matter and Materials Physics 72, no. 20 (November 15, 2005). https://doi.org/10.1103/PhysRevB.72.205101.
Padilla WJ, Dumm M, Komiya S, Ando Y, Basov DN. Infrared signatures of hole and spin stripes in La2-xSrxCuO4. Physical Review B - Condensed Matter and Materials Physics. 2005 Nov 15;72(20).
Padilla, W. J., et al. “Infrared signatures of hole and spin stripes in La2-xSrxCuO4.” Physical Review B - Condensed Matter and Materials Physics, vol. 72, no. 20, Nov. 2005. Scopus, doi:10.1103/PhysRevB.72.205101.
Padilla WJ, Dumm M, Komiya S, Ando Y, Basov DN. Infrared signatures of hole and spin stripes in La2-xSrxCuO4. Physical Review B - Condensed Matter and Materials Physics. 2005 Nov 15;72(20).

Published In

Physical Review B - Condensed Matter and Materials Physics

DOI

EISSN

1550-235X

ISSN

1098-0121

Publication Date

November 15, 2005

Volume

72

Issue

20

Related Subject Headings

  • Fluids & Plasmas
  • 09 Engineering
  • 03 Chemical Sciences
  • 02 Physical Sciences