This work presents an investigation of nanoribbons cut from β ₁₂-borophene sheets by applying the density functional theory. In particular, the electronic and magnetic properties of borophene nanoribbons (BNR) are studied. It is found that all the ribbons considered in this work behave as metals, which is in good agreement with the recent experimental results. β ₁₂-BNR has significant diversity due to the existence of five boron atoms in a unit cell of the sheet. The magnetic properties of the ribbons are strongly dependent on the cutting direction and edge profile. It is interesting that a ribbon with a specific width can behave as a normal or a ferromagnetic metal with magnetization at just one edge or two edges. Spin anisotropy is observed in some ribbons, and the magnetic moment is not found to be the same in both edges in an antiferromagnetic configuration. This effect stems from the edge asymmetry of the ribbons and results in the breaking of spin degeneracy in the band structure. Our findings show that β ₁₂ BNRs are potential candidates for next-generation spintronic devices.

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这项工作提出了从切割纳米带的调查β ₁₂通过应用密度泛函理论-borophene张。特别是，研究了硼烯纳米带（BNR）的电子和磁性。发现在这项工作中考虑的所有色带均表现为金属，这与最近的实验结果非常吻合。β ₁₂-BNR由于在薄片的晶胞中存在五个硼原子而具有显着的多样性。带的磁性能强烈取决于切割方向和边缘轮廓。有趣的是，具有特定宽度的碳带可以表现为仅在一个边缘或两个边缘磁化的普通金属或铁磁金属。在一些带中观察到自旋各向异性，并且在反铁磁配置中，在两个边缘中发现的磁矩并不相同。这种效应源于带的边缘不对称，并导致带结构中自旋简并性的破坏。我们的研究结果显示，β _12个BNRs是下一代自旋电子器件的潜在候选人。

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