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Isothermal cross section of the Ce-Pt-Ge phase diagram at 600 °c

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Journal of Phase Equilibria

Abstract

The interaction of the components in the Ce-Pt-Ge system at 600 °C was investigated over the whole concentration range by metallography,x-ray powder and monocrystal diffraction,and x-ray microprobe analysis. The formation of the previously reported phases,CePt 2Ge2 and CePtGe,was confirmed,and ten new ternary compounds were observed. The crystal structures of the Ce 3Pt4Ge6,Ce 2PtGe6,Ce(Pt,Ge)2,Ce 2Pt7Ge4,and Ce 3Pt23Ge11 compounds were determined. The temperature dependencies of the electrical resistivities and magnetic susceptibilities of CePt2Ge2,Ce 3Pt4Ge6,Ce 2Pt7Ge4,and Ce 3Pt23Ge11 were measured in the temperature interval 4.2 to 300 K. Above 50 K,the temperature dependencies of the magnetic susceptibilities of all samples exhibited Curie-Weiss behavior. The Ce magnetic moment in Ce 3Pt4Ge6 is 16% less than that of the free Ce ion. There is evidence of magnetic ordering in Ce3Pt4Ge6 in the liquid helium temperature region.

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Authors and Affiliations

  1. Chemistry Department Moscow State University, GSP, V-234, 119899, Moscow, Russia

    A. V. Gribanov & Y. D. Seropegin

  2. Chemistry Department Lviv State University, 290602, Lviv, Ukraine

    O. I. Bodak

  3. Low Temperature Physics Laboratory Moscow State University, GSP, V-234, 119899, Moscow, Russia

    V. N. Nikiforov, A. A. Velikhovskii & J. Mirkovic

Authors
  1. A. V. Gribanov
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  2. Y. D. Seropegin
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  3. O. I. Bodak
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  4. V. N. Nikiforov
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  5. A. A. Velikhovskii
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  6. J. Mirkovic
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Gribanov, A.V., Seropegin, Y.D., Bodak, O.I. et al. Isothermal cross section of the Ce-Pt-Ge phase diagram at 600 °c. JPE 17, 196–207 (1996). https://doi.org/10.1007/BF02648488

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  • DOI: https://doi.org/10.1007/BF02648488

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