Intrinsic ultra-wide completely spin-polarized state realized in a new CrO2 monolayer.,Physical Chemistry Chemical Physics

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Intrinsic ultra-wide completely spin-polarized state realized in a new CrO2 monolayer.
Physical Chemistry Chemical Physics ( IF 2.9 ) Pub Date : 2020-07-14 , DOI: 10.1039/d0cp02627a
Xiaohui Deng ₁ , Zhenyu Li ₂

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The high-spin-polarized electronic state has been a central concept in applications such as storage materials and magnetic injection sources. In this work, we predicted the existence of a novel 2D CrO₂ lattice, wherein electrons around the Fermi level were indicated to be completely spin-polarized with an ultra-wide energy range. Monte Carlo simulations showed that such an ordered spin state could be maintained to a temperature of 280 K, and further enhanced through strain or hole doping. The predicted structure here inspired us to archive ideal 2D materials as magnetic storage devices or spin injection sources.

中文翻译：

在新的CrO2单层中实现了本征超宽完全自旋极化状态。

高自旋极化电子状态一直是诸如存储材料和磁注入源等应用中的中心概念。在这项工作中，我们预测了新型2D CrO ₂晶格的存在，其中费米能级附近的电子被指示为具有超宽能量范围的完全自旋极化。蒙特卡洛模拟表明，这种有序的自旋态可以保持在280 K的温度，并通过应变或空穴掺杂进一步增强。此处预测的结构启发了我们将理想的2D材料存档为磁存储设备或自旋注入源。

更新日期：2020-08-05

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