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Cited by 10Electronic and Structural Properties of OxidesMagnetic and transport properties of perovskites and related materialsPhysics of Superconductivity and Magnetism

In-plane terahertz response of thin filmSr2RuO4

Takahashi, Y., Chakraverty, S., Kawasaki, M., Hwang, H. Y., Tokura, Y.·2014·Physical Review B
DOI 10.1103/physrevb.89.165116
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Abstract

The low-energy electron dynamics of the quasi-two-dimensional electron-hole multiorbital system ${\mathrm{Sr}}_{2}\mathrm{Ru}{\mathrm{O}}_{4}$ is investigated by time-domain terahertz spectroscopy for a thin film sample. The direct observation of the real and imaginary part of the optical conductivity below 8 meV clearly demonstrates a narrowing of the coherent quasiparticle response with decreasing temperature. The optical conductivity spectra, dc conductivity, and Hall coefficient can be quantitatively well described by the multiband Drude-Lorentz model, from which band dependent scattering rates can be extracted. The resulting modest band dependent scattering rates, which are lower than 2 meV at 4 K, support a rather isotropic relaxation regime.

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Authors
Takahashi, Y., Chakraverty, S., Kawasaki, M., Hwang, H. Y., & Tokura, Y.
Affiliations
  • The University of Tokyo (JP)
  • RIKEN Center for Emergent Matter Science (JP)
  • SLAC National Accelerator Laboratory (US)
ORCID
Venue
Physical Review B
Publisher
American Physical Society (APS)
Published
2014-04-14
Volume
89
Issue
16
ISSN
  • 1098-0121 (ISSN-L)
  • 1550-235X
DOI
10.1103/physrevb.89.165116
OpenAlex
W2326375911
Cited by
10
References
40
Citations by year
2026: 1 · 2024: 1 · 2021: 1 · 2020: 1 · 2019: 2 · 2018: 2 · 2017: 1 · 2015: 1
FWCI
0.30
Type
journal article
Language
en
Open access
closed
Licence
link.aps.org/licenses/aps-default-license (vor)
Locations
Physical Review B (publishedVersion)
Funders
U.S. Department of Education (DE-AC02-76SF00515)
Topics
  • Physical Sciences › Materials Science › Materials Chemistry › Electronic and Structural Properties of Oxides
  • Physical Sciences › Materials Science › Electronic, Optical and Magnetic Materials › Magnetic and transport properties of perovskites and related materials
  • Physical Sciences › Physics and Astronomy › Condensed Matter Physics › Physics of Superconductivity and Magnetism
Keywords
Sr2RuO4, thin films, terahertz response, optical conductivity, Drude-Lorentz model, Hall coefficient, DC conductivity, quasi-two-dimensional systems, in-plane conductivity

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