Magnetothermal conductivity

Baoxing Chen, A. Rojo, C. Uher, H. Ju, R. Greene

Research output: Contribution to journalArticlepeer-review

46 Citations (Scopus)

Abstract

We have studied thermal conductivity, thermopower, and resistivity of bulk polycrystalline (Formula presented)(Formula presented)(Formula presented). Large changes in the magnetothermal conductivity of about 15% and the thermopower as large as 80% were found in addition to a large magnetoresistivity of 80% around the magnetic transition temperature at 240 K. The temperature dependence of the thermal conductivity displays a striking dip, while the resistivity and the thermopower have a peak near 240 K. The temperature and field dependences of the thermal conductivity are attributed to the scattering of the phonons by spin fluctuations.

Original languageEnglish
Pages (from-to)15471-15474
Number of pages4
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume55
Issue number23
DOIs
Publication statusPublished - 1997

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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