Journal of Experimental and Theoretical Physics

, Volume 101, Issue 5, pp 913–918 | Cite as

Kondo scattering and properties of TmSe in the infrared region

  • B. P. Gorshunov
  • A. S. Prokhorov
  • I. E. Spektor
  • A. A. Volkov
  • M. Dressel
  • M. Dumm
  • T. Matsumura
Electronic Properties of Solids


The conductivity and permittivity spectra of the intermediate-valence semiconductor TmSe have been measured by terahertz and infrared spectroscopy in a frequency range of 10–104 cm−1 and a temperature range of 5–300 K. At low temperatures (5 K < T < 100 K), the spectra contain a gap Δ ≈ 2.5 meV, whose appearance is considered to be related to conduction-electron localization at local magnetic moments. At high temperatures (100 K < T < 300 K), the dielectric response is specified by two electronic components: “ light” conduction electrons and “heavy” hybridized f-d states. The microscopic parameters of both components, such as the concentration, mobility, effective mass, relaxation frequency, and the plasma frequency, are determined.


Spectroscopy State Physics Field Theory Elementary Particle Quantum Field Theory 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Pleiades Publishing, Inc. 2005

Authors and Affiliations

  • B. P. Gorshunov
    • 1
  • A. S. Prokhorov
    • 1
  • I. E. Spektor
    • 1
  • A. A. Volkov
    • 1
  • M. Dressel
    • 2
  • M. Dumm
    • 2
  • T. Matsumura
    • 3
  1. 1.Prokhorov General Physics InstituteRussian Academy of SciencesMoscowRussia
  2. 2.Physikalisches Institut 1Universität StuttgartStuttgartGermany
  3. 3.Department of PhysicsTohoku UniversityJapan

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