Temperature dependent magnetization measurements of the (Gd0.975Lu0.025)5Ge4: (a) the magnetization measured using ZFC protocol in 1 kOe applied magnetic field (the inset shows the dM/dT plot); (b) the magnetization measured in applied magnetic fields of 20, 40, 50, 60, and 70 kOe (for all fields except 40 kOe both ZFC and FC measurements are marked by the same symbols. The direction of the temperature change is indicated by arrows for 50, 60, and 70 kOe data).
The isothermal magnetization [M(H)] of the (Gd0.975Lu0.025)5Ge4 measured at (a) 3, 4, 7, and 15 K, and (b) 2, 10, 20, and 35 K temperatures. The sample was cooled in a zero magnetic field before each measurement.
The tentative H–T magnetic phase diagram of the (Gd0.975Lu0.025)5Ge4. Solid lines represent the established boundaries, while the dotted lines mark location of the estimated boundaries, and (red) dashed lines indicate the onset and the end of the metastable FM → AFM transformation.
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