Fig. 4: Analyses regarding the order of the magnetic transition in HoB2. | NPG Asia Materials

Fig. 4: Analyses regarding the order of the magnetic transition in HoB2.

From: Machine-learning-guided discovery of the gigantic magnetocaloric effect in HoB2 near the hydrogen liquefaction temperature

Fig. 4: Analyses regarding the order of the magnetic transition in HoB2.The alternative text for this image may have been generated using AI.

a Arrott plots obtained from the M-T curves shown in Fig. 2c. b Normalized entropy curve as a function of the reduced temperature θ. All curves collapse perfectly into each other, indicating a possible SOPT for the ferromagnetic transition at TC = 15 K.

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