skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Inelastic x-ray scattering measurements of phonon dynamics in URu 2 Si 2

Abstract

We report high-resolution inelastic x-ray scattering measurements of the acoustic phonons of URu2Si2. At all temperatures, the longitudinal acoustic phonon linewidths are anomalously broad at small wave vectors revealing a previously unknown anharmonicity. The phonon modes do not change significantly upon cooling into the hidden order phase. Our data suggest that the increase in thermal conductivity in the hidden order phase cannot be driven by a change in phonon dispersions or lifetimes. Hence, the phonon contribution to the thermal conductivity is likely much less significant compared to that of the magnetic excitations in the low temperature phase.

Authors:
; ; ; ; ; ; ;
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1368071
DOE Contract Number:  
AC02-06CH11357
Resource Type:
Journal Article
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 93; Journal Issue: 7; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English

Citation Formats

Gardner, D. R., Bonnoit, C. J., Chisnell, R., Said, A. H., Leu, B. M., Williams, T. J., Luke, G. M., and Lee, Y. S. Inelastic x-ray scattering measurements of phonon dynamics in URu2Si2. United States: N. p., 2016. Web. doi:10.1103/PhysRevB.93.075123.
Gardner, D. R., Bonnoit, C. J., Chisnell, R., Said, A. H., Leu, B. M., Williams, T. J., Luke, G. M., & Lee, Y. S. Inelastic x-ray scattering measurements of phonon dynamics in URu2Si2. United States. doi:10.1103/PhysRevB.93.075123.
Gardner, D. R., Bonnoit, C. J., Chisnell, R., Said, A. H., Leu, B. M., Williams, T. J., Luke, G. M., and Lee, Y. S. Mon . "Inelastic x-ray scattering measurements of phonon dynamics in URu2Si2". United States. doi:10.1103/PhysRevB.93.075123.
@article{osti_1368071,
title = {Inelastic x-ray scattering measurements of phonon dynamics in URu2Si2},
author = {Gardner, D. R. and Bonnoit, C. J. and Chisnell, R. and Said, A. H. and Leu, B. M. and Williams, T. J. and Luke, G. M. and Lee, Y. S.},
abstractNote = {We report high-resolution inelastic x-ray scattering measurements of the acoustic phonons of URu2Si2. At all temperatures, the longitudinal acoustic phonon linewidths are anomalously broad at small wave vectors revealing a previously unknown anharmonicity. The phonon modes do not change significantly upon cooling into the hidden order phase. Our data suggest that the increase in thermal conductivity in the hidden order phase cannot be driven by a change in phonon dispersions or lifetimes. Hence, the phonon contribution to the thermal conductivity is likely much less significant compared to that of the magnetic excitations in the low temperature phase.},
doi = {10.1103/PhysRevB.93.075123},
journal = {Physical Review B},
issn = {2469-9950},
number = 7,
volume = 93,
place = {United States},
year = {2016},
month = {2}
}

Works referenced in this record:

Thermal Conductivity of Ho 2 Ti 2 O 7 along the [111] Direction
journal, May 2013


Elastic properties of the heavy fermion superconductor URu2Si2
journal, February 1994

  • Wolf, B.; Sixl, W.; Graf, R.
  • Journal of Low Temperature Physics, Vol. 94, Issue 3-4
  • DOI: 10.1007/BF00754672

Imaging the Three-Dimensional Fermi-Surface Pairing near the Hidden-Order Transition in URu 2 Si 2 Using Angle-Resolved Photoemission Spectroscopy
journal, September 2013


NMR Study of In-Plane Twofold Ordering in URu 2 Si 2
journal, June 2013


Gapped itinerant spin excitations account for missing entropy in the hidden-order state of URu2Si2
journal, January 2007

  • Wiebe, C. R.; Janik, J. A.; MacDougall, G. J.
  • Nature Physics, Vol. 3, Issue 2
  • DOI: 10.1038/nphys522

Hastatic order in the heavy-fermion compound URu2Si2
journal, January 2013

  • Chandra, Premala; Coleman, Piers; Flint, Rebecca
  • Nature, Vol. 493, Issue 7434
  • DOI: 10.1038/nature11820

Partially gapped Fermi surface in the heavy-electron superconductor URu 2 Si 2
journal, January 1986


A Study of Elastic Properties of URu 2 Si 2 in Comparison with the Non-5 f Contribution of ThRu 2 Si 2
journal, December 2012


Thermal expansion and specific heat of monocrystalline U Ru 2 Si 2
journal, December 1986


Modulated Spin Liquid: A New Paradigm for URu 2 Si 2
journal, March 2011


Neutron scattering studies on URu 2 Si 2
journal, July 2014

  • Bourdarot, Frederic; Raymond, Stephane; Regnault, Louis-Pierre
  • Philosophical Magazine, Vol. 94, Issue 32-33
  • DOI: 10.1080/14786435.2014.935513

Hidden order in URu2Si2 originates from Fermi surface gapping induced by dynamic symmetry breaking
journal, February 2009

  • Elgazzar, S.; Rusz, J.; Amft, M.
  • Nature Materials, Vol. 8, Issue 4
  • DOI: 10.1038/nmat2395

Interplay between spin-density wave and induced local moments in URu 2 Si 2
journal, July 2005


Phonon Lifetime Investigation of Anharmonicity and Thermal Conductivity of UO 2 by Neutron Scattering and Theory
journal, April 2013


Magnetic heat transport in R 2 Cu O 4 ( R = La , Pr, Nd, Sm, Eu, and Gd)
journal, March 2006


Superconducting and Magnetic Transitions in the Heavy-Fermion System U Ru 2 Si 2
journal, December 1985


Cyclotron Resonance in the Hidden-Order Phase of URu 2 Si 2
journal, July 2012


Similarity of the Fermi Surface in the Hidden Order State and in the Antiferromagnetic State of URu 2 Si 2
journal, November 2010


Cyclotron resonance study of quasiparticle mass and scattering rate in the hidden-order and superconducting phases of URu 2 Si 2
journal, December 2013


Scattering of Neutrons by an Anharmonic Crystal
journal, December 1962


Magnetic phase transitions and magnetoelectric coupling of GdFe O 3 single crystals probed by low-temperature heat transport
journal, January 2011


Thermal Transport in the Hidden-Order State of URu 2 Si 2
journal, April 2005


Magnetic excitations in the heavy-fermion superconductor URu 2 Si 2
journal, June 1991


Colloquium : Hidden order, superconductivity, and magnetism: The unsolved case of URu 2 Si 2
journal, November 2011


Neutron scattering study of URu 2 x Re x Si 2 ( x = 0.10 ): Driving order towards quantum criticality
journal, December 2012


Phonon Thermal Transport of URu 2 Si 2 : Broken Translational Symmetry and Strong-Coupling of the “Hidden Order” to the Lattice
journal, October 2006


Symmetry and correlations underlying hidden order in URu 2 Si 2
journal, January 2015


Helicity Order: Hidden Order Parameter in URu 2 Si 2
journal, January 2006


Lattice dynamics of the heavy-fermion compound URu 2 Si 2
journal, January 2015


Hidden order behaviour in URu 2 Si 2 (A critical review of the status of hidden order in 2014)
journal, May 2014


Chirality density wave of the "hidden order" phase in URu2Si2
journal, February 2015


Rotational Symmetry Breaking in the Hidden-Order Phase of URu2Si2
journal, January 2011


Emergent rank-5 nematic order in URu2Si2
journal, June 2012

  • Ikeda, Hiroaki; Suzuki, Michi-To; Arita, Ryotaro
  • Nature Physics, Vol. 8, Issue 7
  • DOI: 10.1038/nphys2330

Evidence for a large magnetic heat current in insulating layered cuprates
journal, May 2003


Direct observation of lattice symmetry breaking at the hidden-order transition in URu2Si2
journal, June 2014

  • Tonegawa, S.; Kasahara, S.; Fukuda, T.
  • Nature Communications, Vol. 5, Issue 1
  • DOI: 10.1038/ncomms5188

Hybridization Wave as the “Hidden Order” in URu 2 Si 2
journal, February 2011


Γ 3 -Type Lattice Instability and the Hidden Order of URu 2 Si 2
journal, January 2013

  • Yanagisawa, Tatsuya; Mombetsu, Shota; Hidaka, Hiroyuki
  • Journal of the Physical Society of Japan, Vol. 82, Issue 1
  • DOI: 10.7566/JPSJ.82.013601

Itinerant spin excitations near the hidden order transition in URu 2 Si 2
journal, April 2009