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TDPAC study on the thermal stability of zirconium tetrafluoride

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Abstract

The thermal evolution of the hyperfine interaction in α-ZrF4 is investigated between 293 K and 788 K. The first change, observed ay 534 K, is attributed to the appearance of the non-stoichiometric compound ZrO1.3F1.4. During the transformation, the relative fraction of the latter shows an Arrhenius behaviour with an activation energyE a=(22.6±5.5) kJ/mol. At approximately 700 K, ZrO1.3F1.4 gives rise to the monoclinic phase of ZrO2 and to β-ZrF4.

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Author notes

  1. P. C. Rivas (Member)

    Present address: Carrera del Personal de Apoyo a la Investigacion y Desarrollo, CONICET, Argentina

  2. M. C. Caracoche (Member) & J. A. Martínez (Member)

    Present address: Carrera del Investigador Cientifico, CICPBA, Argentina

  3. M. T. Dova (Fellow)

    Present address: CONICET, Argentina

  4. A. R. López García (Member)

    Present address: Carrera del Investigador Cientifico, CONICET, Argentina

Authors and Affiliations

  1. Departemento de Fisica, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, CC 67, 1900, La Plata, Argentina

    P. C. Rivas (Member), M. C. Caracoche (Member), J. A. Martínez (Member), M. T. Dova (Fellow) & A. R. López García (Member)

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  1. P. C. Rivas
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  2. M. C. Caracoche
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  3. J. A. Martínez
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  4. M. T. Dova
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  5. A. R. López García
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Rivas, P.C., Caracoche, M.C., Martínez, J.A. et al. TDPAC study on the thermal stability of zirconium tetrafluoride. Hyperfine Interact 30, 49–55 (1986). https://doi.org/10.1007/BF02400100

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  • DOI: https://doi.org/10.1007/BF02400100

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