High field magnetization isotherms of the Pr2Fe17D5 system
1996; American Institute of Physics; Volume: 79; Issue: 8 Linguagem: Inglês
10.1063/1.361740
ISSN1520-8850
AutoresO. Isnard, M. Guillot, S. Miraglia, D. Fruchart,
Tópico(s)Magnetic properties of thin films
ResumoWe have investigated the magnetic properties of the ferromagnetic compounds Pr2Fe17 and Pr2Fe17Dx. First, the sample preparation is described and the location of interstitial deuterium atoms is reviewed according to previous neutron diffraction analysis. In this article, we report high field magnetization measurements performed up to 200 kOe in continuous fields, and isothermal magnetization curves measured between 2 and 300 K on oriented powder samples. Below 250 K, an anomaly in the magnetization curves of Pr2Fe17D5 has been detected. We discuss the influence of hydrogen on this field-induced anomaly, which is strongly temperature dependent and possible origins such as crystal field effects or first order magnetization process. A comparison is made with Pr2Fe17Nx in which no anomaly was observed.
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