We report field-induced magnetic phase transitions and transport properties of antiferromagnetic DyPtBi. We show that DyPtBi hosts a delicate balance between two different magnetic ground states, which can be controlled by a moderate magnetic field. Furthermore, it exhibits giant anomalous Hall effect $\left({\sigma }^A=1540{\mathrm{\Omega }}^{-1}\mathrm{c}{\mathrm{m}}^{-1},{\theta }_{\mathrm{AHE}}=24\%\right)$ in a field-induced type-I spin structure, presumably attributed to the enhanced Berry curvature associated with avoided band crossings near the Fermi energy and/or nonzero spin chirality. The latter mechanism points DyPtBi towards a rare potential realization of anomalous Hall effect in an antiferromagnet with face-centered-cubic lattice that was proposed in [Physical Review Letters 87, 116801 (2001)].

中文翻译：

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反铁磁半霍斯勒化合物DyPtBi中的磁场诱导的磁相变和所产生的巨大异常霍尔效应

我们报告场感应的磁性相变和反铁磁DyPtBi的传输特性。我们表明DyPtBi承载着两个不同的磁性基态之间的微妙平衡，这可以通过中等磁场来控制。此外，它表现出巨大的异常霍尔效应$（{\sigma }^{\mathrm{一种}}=1540{\mathrm{\Omega }}^{-\mathrm{1个}}\mathrm{C}{\mathrm{米}}^{-\mathrm{1个}}，{\theta }_{\mathrm{AHE}}=24％）$场诱导的I型自旋结构中的分子，大概归因于贝里曲率的增强，这与避免费米能量附近的能带穿越和/或非零自旋手性有关。后者机制点DyPtBi朝向罕见潜在实现的反常霍耳效应与面心立方晶格的反铁磁这是在文献[物理评论快报 87，116801（2001）]。