High-field magnetization of the 3d heavy-fermion system LiV₂O₄  (    0, 0.08)

Abstract

Abstract. Metamagnetic behavior has been observed in LiV 2 O 4 powder sample around 38 T at 4.2 K. On the other hand, magnetization for oxygen deficient LiV 2 O 3.92 shows no indication of metamagnetism up to 40 T, and shows substantially reduced magnetic moment compared to that of LiV 2 O 4 . These results suggest that ferromagnetic interaction is strongly enhanced by magnetic fields in LiV 2 O 4 , whereas antiferromagnetic interaction is dominant in LiV 2 O 3.92 .