Antiferromagnetic to Ferrimagnetic Phase Transition and Possible Phase Coexistence in Polar Magnets (Fe$_{1-x}$Mn$_x$)$_2$Mo$_3$O$_8$

Yuting Chang; Lei Gao; Yunlong Xie; Bin You; Yong Liu; Rui Xiong; Junfeng Wang; Chengliang Lu; JunMing Liu

doi:10.1021/acsami.3c00518

paper

Antiferromagnetic to Ferrimagnetic Phase Transition and Possible Phase Coexistence in Polar Magnets (Fe $_{1 - x}$ Mn $_{x}$ ) $_{2}$ Mo $_{3}$ O $_{8}$

arXiv:2309.08990 · doi:10.1021/acsami.3c00518

Abstract

In the present work, magnetic properties of single crystal (Fe $_{1 - x}$ Mn $_{x}$ ) $_{2}$ Mo $_{3}$ O $_{8}$ ( $0 < x < 1$ ) have been studied by performing extensive measurements. A detailed magnetic phase diagram is built up, in which antiferromagnetic state dominates for $x < 0.25$ and ferrimagnetic phase arises for $x > 0.3$ . Meanwhile, sizeable electric polarization of spin origin is commonly observed in all samples, no matter what the magnetic state is. For the samples hosting a ferrimagnetic state, square-like magnetic hysteresis loops are revealed, while the remnant magnetization and coercive field can be tuned drastically by simply varying the Mn-content or temperature. Possible coexistence of the antiferromagnetic and ferrimagnetic phases is proposed to be responsible for the remarkable modulation of magnetic properties in the samples.

Antiferromagnetic to Ferrimagnetic Phase Transition and Possible Phase Coexistence in Polar Magnets (Fe1−x​Mnx​)2​Mo3​O8​

Abstract

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Antiferromagnetic to Ferrimagnetic Phase Transition and Possible Phase Coexistence in Polar Magnets (Fe $_{1 - x}$ Mn $_{x}$ ) $_{2}$ Mo $_{3}$ O $_{8}$