期刊
JOURNAL OF PHYSICS D-APPLIED PHYSICS
卷 56, 期 44, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1088/1361-6463/ace72a
关键词
resonant tunneling diode (RTD); quantum well (QW) resonant tunneling magnetoresistance (QW-TMR); spin-dependent resonant tunneling diode (Spin RTD); magnon resonant tunneling effect; magnon resonant tunneling diode (Magnon RTD); magnon field effect transistor (Magnon FET); magnon resonant transmission effect
Resonant tunneling refers to the tunneling of electrons or magnons through resonant states. It is used to design electronic devices like RT diode and has spin-dependent properties in double magnetic tunnel junctions. Electron RT occurs around the Fermi level at low temperatures, while magnon RT can occur at higher temperatures. This review discusses recent advances in electron and magnon RT and possible device implications.
Resonant tunneling (RT) originally refers to electron tunneling through the resonant states of double-barrier potentials with a series of sharply peaked transmission coefficients (close to unity) at certain energies. Electron RT can be used to design promising electronic devices such as RT diode. If the quantum well states are spin-dependent, the electron RT would exhibit spin-polarized or spin-selective properties, as observed in the double magnetic tunnel junctions with a thin intercalary ferromagnetic layer. As a result of the quantum wave-particle duality, RT can be further expanded to magnons-the quanta of spin waves, which opens up a new avenue of research-magnon RT. Because of the bosonic nature and macroscopic quantum coherence, the magnon RT may occur in a wide spectrum and temperature range (room temperature and above room temperature), while the electron RT typically occurs around the Fermi level and at low temperature or around room temperature. Here, we review the recent advances in RT physics of electron and magnon, and outline possible device implications.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据