Fundamentals and applications of van der Waals magnets in magnon spintronics.

Samuel Mañas-Valero, Toeno van der Sar, Rembert A Duine, Bart van Wees
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引用次数: 0

Abstract

Spintronics is concerned with replacing charge current with current of spin, the electron's intrinsic angular momentum. In magnetic insulators, spin currents are carried by magnons, the quanta of spin-wave excitations on top of the magnetically ordered state. Magnon spin currents are especially promising for information technology due to their low intrinsic damping, non-reciprocal transport, micrometer wavelengths at microwave frequencies, and strong interactions that enable signal transduction. In this perspective, we give our view on the progress and challenges toward realizing magnon spintronics based on atomically thin van der Waals magnets, a recently discovered class of magnetic materials of which the tunability and versatility have attracted a great deal of ongoing research.

范德华磁体在磁子自旋电子学中的基本原理和应用。
自旋电子学关注的是用自旋电流(电子的固有角动量)取代电荷电流。在磁性绝缘体中,自旋电流由磁振子携带,磁振子是磁有序态上自旋波激发的量子。磁振子自旋电流由于其低固有阻尼、非互反输运、微波频率下的微米波长和实现信号转导的强相互作用而在信息技术中特别有前景。从这个角度来看,我们对基于原子薄范德华磁体实现磁振子自旋电子学的进展和挑战给出了我们的观点。范德华磁体是最近发现的一类磁性材料,其可调性和多功能性吸引了大量正在进行的研究。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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