Metamagnetic transition and reversible magnetocaloric effect in antiferromagnetic DyNiGa compound

Ding Yan-Hong^{1, †}, Meng Fan-Zhen¹, Wang Li-Chen^{2, 3, 4, ‡}, Liu Ruo-Shui³, Shen Jun^{2, 4}

Arrott-plots of DyNiGa (a) below and (b) above T_N in field increasing process for various temperatures.