氧化物基异质结构中铁电性与自旋谷物理的耦合
Coupling ferroelectricity with spin-valley physics in oxide-based heterostructure
摘要：
自旋和谷物理的耦合被认为是下一代自旋电子和谷电子器件的一条有前途的路线。在谷电子应用的工程功能特性的目的，我们专注于铁电异质结构BiAlO 3/BiIrO 3，其中三角晶场，层自由度和自旋轨道耦合之间的复杂相互作用介导一个强大的自旋谷耦合。此外，我们表明，铁电性提供了一个非易失性的处理来操纵和切换新兴的谷对比自旋极化。
英文摘要：
The coupling of spin and valley physics is nowadays regarded as a promising route toward next-generation spintronic and valleytronic devices. In the aim of engineering functional properties for valleytronic applications, we focus on the ferroelectric heterostructure BiAlO3/BiIrO3, where the complex interplay among trigonal crystal field, layer degrees of freedom and spin-orbit coupling mediates a strong spin-valley coupling. Furthermore, we show that ferroelectricity provides a non-volatile handle to manipulate and switch the emerging valley-contrasting spin polarization.
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