论文标题

沮丧的铁 - 抗抗铁药物pb $ _2 $ vo(po $ _4 $)$ _ 2 $

Pre-saturation phase in the frustrated ferro-antiferromagnet Pb$_2$VO(PO$_4$)$_2$

论文作者

Landolt, F., Bettler, S., Yan, Z., Gvasaliya, S., Zheludev, A., Mishra, S., Sheikin, I., Krämer, S., Horvatić, M., Gazizulina, A., Prokhnenko, O.

论文摘要

Magnetization, magnetic torque, neutron diffraction and NMR experiments are used to map out the $H$$-$$T$ phase diagram of the prototypical quasi-two-dimensional ferro-antiferromagnet Pb$_2$VO(PO$_4$)$_2$ in magnetic fields up to 27 T. When the field is applied perpendicular to the axis of magnetic anisotropy, a新的磁状态通过不连续的过渡出现,并在饱和度以下的狭窄场范围内持续存在。测得的NMR光谱表明在该方案中有一个复杂且可能不固定的磁顺序。

Magnetization, magnetic torque, neutron diffraction and NMR experiments are used to map out the $H$$-$$T$ phase diagram of the prototypical quasi-two-dimensional ferro-antiferromagnet Pb$_2$VO(PO$_4$)$_2$ in magnetic fields up to 27 T. When the field is applied perpendicular to the axis of magnetic anisotropy, a new magnetic state emerges through a discontinuous transition and persists in a narrow field range just below saturation. The measured NMR spectra suggest a complex and possibly incommensurate magnetic order in that regime.

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