论文标题
与外部字段的石墨烯P-N连接中的当前调制
Current modulation in graphene p-n junctions with external fields
论文作者
论文摘要
在这项工作中，我们描述了基于石墨烯的纳米结构的建议，该纳米结构即使在没有差距的情况下，也可以调节电流。该设备由石墨烯P-N结组成，该连接充当维塞拉镜镜头，将弹道电子聚焦于输出引线上。应用外部（电气和磁性）场会改变输出焦点的位置，从而减少传输。该设备可以应用于低功率效应晶体管，该晶体管可以受益于石墨烯的高电子迁移率。
In this work we describe a proposal for a graphene-based nanostructure that modulates electric current even in the absence of a gap in the band structure. The device consists of a graphene p-n junction that acts as a Veselago lens that focuses ballistic electrons on the output lead. Applying external (electric and magnetic) fields changes the position of the output focus, reducing the transmission. Such device can be applied to low power field effect transistors, which can benefit from graphene's high electronic mobility.
