Transport, magnetic, thermodynamic, and optical properties in Ti-doped (formula presented)

K. Pucher, J. Hemberger, F. Mayr, V. Fritsch, A. Loidl, E. W. Scheidt, S. Klimm, R. Horny, S. Horn, S. G. Ebbinghaus, A. Reller, Robert Joseph Cava

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Abstract

We report on electrical resistivity, magnetic susceptibility, and magnetization on heat-capacity and optical experiments in single crystals of (formula presented) Samples with (formula presented) and 0.2 reveal purely semiconducting resistivity behavior along c and the charge transport is close to localization within the (formula presented) plane. A strong anisotropy in the magnetic susceptibility appears at temperatures below 100 K. Moreover magnetic ordering in the c direction with a moment of order (formula presented) occurs at low temperatures. On doping the low-temperature linear term of the heat capacity becomes significantly reduced and probably is dominated by spin fluctuations. Finally, the optical conductivity reveals the anisotropic character of the dc resistance, with the in-plane conductance roughly following a Drude-type behavior and an insulating response along c.

Original languageEnglish (US)
Pages (from-to)1-7
Number of pages7
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume65
Issue number10
DOIs
StatePublished - Jan 1 2002

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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    Pucher, K., Hemberger, J., Mayr, F., Fritsch, V., Loidl, A., Scheidt, E. W., Klimm, S., Horny, R., Horn, S., Ebbinghaus, S. G., Reller, A., & Cava, R. J. (2002). Transport, magnetic, thermodynamic, and optical properties in Ti-doped (formula presented). Physical Review B - Condensed Matter and Materials Physics, 65(10), 1-7. https://doi.org/10.1103/PhysRevB.65.104523