LO phonons in La{sub 1.85}Sr{sub .15}CuO{sub 4}

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Description

Dispersion of the highest energy LO phonons in La{sup 1.85}Sr{sub .15}CuO{sub 4} was studied by neutron inelastic scattering. At T = 10 K the dispersion along (h, 0, 0) is anomalous forming dispersion branches with a discontinuity at h = 1/4. A possible relation of this anomaly to the spin-charge stripes with be discussed.

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8 p.

Creation Information

Egami, T.; Petrov, Y.; McQueeney, R.J.; Petrov, Y.; Yethiraj, M.; Shirane, G. et al. November 1, 1997.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. More information about this article can be viewed below.

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  • Egami, T.
  • Petrov, Y. Univ. of Pennsylvania, Philadelphia, PA (United States)
  • McQueeney, R.J. Los Alamos National Lab., NM (United States)
  • Petrov, Y. Univ. of Pennsylvania, Philadelphia, PA (United States). Dept. of Physics and Astronomy
  • Yethiraj, M. Oak Ridge National Lab., TN (United States)
  • Shirane, G. Brookhaven National Lab., Upton, NY (United States)
  • Endoh, Y. Tohoku Univ., Sendai (Japan). Dept. of Physics

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Description

Dispersion of the highest energy LO phonons in La{sup 1.85}Sr{sub .15}CuO{sub 4} was studied by neutron inelastic scattering. At T = 10 K the dispersion along (h, 0, 0) is anomalous forming dispersion branches with a discontinuity at h = 1/4. A possible relation of this anomaly to the spin-charge stripes with be discussed.

Physical Description

8 p.

Notes

INIS; OSTI as DE98001167

Source

  • International conference on neutron scattering (ICNS), Toronto (Canada), 17-21 Aug 1997

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  • Other: DE98001167
  • Report No.: LA-UR--97-3047
  • Report No.: CONF-970814--
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 548703
  • Archival Resource Key: ark:/67531/metadc692340

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Creation Date

  • November 1, 1997

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • Aug. 23, 2016, 3:13 p.m.

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Egami, T.; Petrov, Y.; McQueeney, R.J.; Petrov, Y.; Yethiraj, M.; Shirane, G. et al. LO phonons in La{sub 1.85}Sr{sub .15}CuO{sub 4}, article, November 1, 1997; New Mexico. (digital.library.unt.edu/ark:/67531/metadc692340/: accessed September 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.