CÁC BÀI BÁO KHOA HỌC 20:00:33 Ngày 02/12/2020 GMT+7
Magnetic properties of RNi4B (R=Y, Gd): Magnetic and specific-heat measurement

YNi4B is a paramagnetic compound with the susceptibility equal to 2.7×10-6 emu/g at 5 K. From the low-temperature specific heat, values of 458 K for the Debye temperature and 14.1 mJ/K2 mol for the coefficient of the electronic specific heat are obtained. GdNi 4B is ferromagnetic below Tc=35.0 K where the λ-type anomaly is observed in the specific heat. Magnetic and specific-heat measurements provide strong evidence that the 3d band in YNi 4B and GdNi4B is completely filled.

 Hong N.M., Thuy N.P., Schaudy G., Holubar T., Hilscher G., Franse J.J.M.
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