Structural and magnetic properties of YNi3-xFex compounds (x = 0.25 and 0.8)
Intermetallic compounds based on rare earth and transition metals display a lot of interesting magnetic properties leading to many applications (permanent magnet, magnetic recording, magnetostriction, magnetic cooling). In this study, we aim to investigate the change of structural and magnetic properties induced by the substitution of nickel by iron in YNi3-xFex. The progressive substitution of nickel by iron in YNi3 increases the lattice parameter while keeping the same R-3m hexagonal structure. In the case of small substitutions (x < 0.6), a phenomenon of magnetic reentrance has been observed below 50 K which might be due to the presence either of spin glasses or AFM-FM transition. The Curie temperature increases versus Fe content, but a change of slope is observed for x= 0.82. The neutron diffraction experiments on two samples (x = 0.25 and 0.8) from 2 to 200 K will help us to solve the nuclear (Fe localisation) and magnetic structure of these compounds and understand the magnetic phase diagram. 2 days of measurements on D1B spectrometer with an orange cryostat are required to perform these experiments.
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The recommended format for citing this dataset in a research publication is in the following format:
PAUL-BONCOUR Valérie; BENET; FERNANDEZ DIAZ Maria Teresa and Junxian Zhang. (2023). Structural and magnetic properties of YNi3-xFex compounds (x = 0.25 and 0.8). Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-31-2962
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