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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:Metamagnetic transitions in CePd5Ge3 were investigated by means of low-temperature
magnetization, magnetic susceptibility, electrical resistivity and magnetoresistivity
measurements. In transverse magnetic fields applied in a direction close to the b-axis the
antiferromagnetic structure of the compound undergoes two successive transitions, first to a
spin-flop phase and then to a paramagnetic phase with field-induced ferromagnetic-like
alignment of the Ce magnetic moments. In contrast, a single anomaly occurs in the magnetic
field dependences of the resistivity in a transverse magnetic field applied close to the c-axis, which reflects a direct transition from antiferromagnetic to paramagnetic state. Such behavior is in agreement with theoretical descriptions of metamagnetic transitions in uniaxial antiferromagnets. The experimental magnetic and electrical transport data indicate that the b-axis is the easy axis of magnetization in CePd5Ge3