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Spin Fluctuations and Itinerant Magnetism in PrCo2B2C Compound

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Abstract

Resistivity as a function of the temperature and applied magnetic field was studied in PrCo2B2C intermetallic compound. The resistivity as a function of temperature at different magnetic fields shows a parabolic behavior at low temperatures which persists for magnetic fields up to 7.8 T. Magnetoresistance measurements show negative values at temperatures below 15 K and low fields, and becomes positive at high fields. Specific heat measurements reveal a high value of the Sommerfeld coefficient of about 300 mJ(mol K2)−1. These results at low temperatures are interpreted from the point of view of the spin fluctuations theory.

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Authors and Affiliations

  1. Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, Apartado Postal 70-360, México Distrito Federal, 04510, México

    F. Morales & R. Escudero

  2. Centro de Ciencias de la Materia Condensada, Universidad Nacional Autónoma de México, Apartado Postal 2681, Ensenada, 22800, México

    A. Durán

Authors
  1. F. Morales
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  2. R. Escudero
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  3. A. Durán
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Correspondence to R. Escudero.

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Morales, F., Escudero, R. & Durán, A. Spin Fluctuations and Itinerant Magnetism in PrCo2B2C Compound. J Low Temp Phys 153, 15–25 (2008). https://doi.org/10.1007/s10909-008-9818-2

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  • DOI: https://doi.org/10.1007/s10909-008-9818-2

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