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Recent radio frequency scanning tunneling spectroscopy (rf-STS) experiments have demonstrated nuclear and electron spin excitations up to $\pm12\hbar$ in a single molecular spin quantum dot (qudot). Despite the profound experimental…

In the photonic spin Hall effect (SHE), also known as the transverse shift, incident light photons with opposite spins are spatially separated in the transverse direction due to the spin-orbit interaction of light. Here, we propose a…

原子与分子团簇 · 物理学 2025-06-04 Muhammad Waseem , Muzamil Shah , Gao Xianlong

In spin-transfer torque (STT) for technological applications, the miniaturization of the magnet may reach the stage of requiring a fully quantum-mechanical treatment. We present an STT theory which uses the quantum macrospin ground and…

介观与纳米尺度物理 · 物理学 2013-05-10 Tiamhock Tay , L. J. Sham

We investigate the angular dependence of the spin torque generated when applying a temperature difference across a spin-valve. Our study shows the presence of a non-trivial fixed point in this angular dependence, i.e. the possibility for a…

介观与纳米尺度物理 · 物理学 2014-10-29 David Luc , Xavier Waintal

We studied the effect of strong electric current on spin waves interacting relativistically with the current. The spin-wave spectrum is calculated at arbitrary direction of the wave vector. It is shown that the alternating Hall current…

材料科学 · 物理学 2009-11-13 I. Ya. Korenblit

The effect of spin-orbit interaction on electron transport properties of a cross-junction structure is studied. It is shown that it results in spin polarization of left and right outgoing electron waves. Consequently, incoming electron wave…

介观与纳米尺度物理 · 物理学 2009-10-31 E. N. Bulgakov , K. N. Pichugin , A. F. Sadreev , P. Středa , P. Šeba

Spin-torque ferromagnetic resonance (ST-FMR) particularly using magnetic insulators and heavy metals possessing a giant spin Hall effect (SHE) has gotten a lot of attention for the development of spintronic devices. To devise complex…

介观与纳米尺度物理 · 物理学 2021-08-12 Kuntal Roy

The standard spin-transfer torque (STT)---where spin-polarized current drives dynamics of magnetization viewed as a classical vector---requires noncollinearity between electron spins carried by the current and magnetization of a…

强关联电子 · 物理学 2019-03-22 Priyanka Mondal , Marko D. Petrovic , Petr Plechac , Branislav K. Nikolic

We numerically investigate the effect of magnetic and electrical damages at the edge of a perpendicular magnetic random access memory (MRAM) cell on the spin-transfer-torque (STT) efficiency that is defined by the ratio of thermal stability…

材料科学 · 物理学 2015-09-02 Kyungmi Song , Kyung-Jin Lee

Conversions between spin and charge currents are core technologies in recent spintronics. In this article, we provide methods for estimating inverse spin Hall effects (ISHEs) induced by using microwave-driven spin pumping (SP) as a…

材料科学 · 物理学 2016-12-21 Ryo Iguchi , Eiji Saitoh

We predict an unconventional spin-transfer torque (STT) acting on the magnetization of a free ferromagnetic (F) layer within N/TI/F vertical heterostructures which originates from strong spin-orbit coupling (SOC) on the surface of a…

介观与纳米尺度物理 · 物理学 2012-10-18 Farzad Mahfouzi , Naoto Nagaosa , Branislav K. Nikolic

Spin-orbit torques (SOTs) generated through the conventional spin Hall effect (SHE) and/or Rashba-Edelstein effect offer potential for magnetization manipulation. However, deterministic switching of perpendicular ferromagnets via SOTs…

介观与纳米尺度物理 · 物理学 2025-06-11 Zelalem Abebe Bekele , Yuan-Yuan Jiang , Kun Lei , Xiukai Lan , Xiangyu Liu , Hui Wen , Ding-Fu Shao , Kaiyou Wang

Spin transfer torques (STT) occur when electric currents travel through inhomogeneously magnetized systems and are important for the motion of magnetic textures such as domain walls. Since superconductors are easy-plane ferromagnets in…

超导电性 · 物理学 2013-11-19 Ion Garate

The effect of spin polarization, induced by the difference in concentration of spin-up and spin-down electrons produced under the influence of a magnetic field, on lattice ion vibrationselectron wave interactions, and the resulting…

等离子体物理 · 物理学 2025-04-07 Abhishek Yadav , Punit Kumar

The generation and manipulation of carrier spin polarization in semiconductors solely by electric fields has garnered significant attention as both an interesting manifestation of spin-orbit physics as well as a valuable capability for…

介观与纳米尺度物理 · 物理学 2008-06-03 N. P. Stern , D. W. Steuerman , S. Mack , A. C. Gossard , D. D. Awschalom

We extend the electrodynamics of two dimensional electron gases to account for the extrinsic spin Hall effect (SHE). The theory is applied to doped graphene decorated with a random distribution of absorbates that induce spin-orbit coupling…

介观与纳米尺度物理 · 物理学 2016-04-27 Chunli Huang , Yidong Chong , Giovanni Vignale , Miguel A. Cazalilla

The authors have investigated the contribution of the surface spin waves to spin pumping. A Pt/NiFe bilayer has been used for measuring spin waves and spin pumping signals simultaneously. The theoretical framework of spin pumping resulting…

材料科学 · 物理学 2015-06-11 Sankha Subhra Mukherjee , Praveen Deorani , Jae Hyun Kwon , Hyunsoo Yang

Driven by various physical origins, the interesting reentrant phenomena in quantum Hall effect (QHE), quantum anomalous Hall effect (QAHE) and non-Hermitian systems have been discussed recently. Here, we present that the reentrant phenomena…

介观与纳米尺度物理 · 物理学 2023-06-16 Xiaoyu Cheng , Xiaohong Zheng , Jun Chen , Liantuan Xiao , Suotang Jia , Lei Zhang

We numerically study the acoustic parametric amplification of spin waves using surface acoustic waves (SAW) in a magnetic thin film. First, we illustrate how the process of parametric spin-wave generation using short-waved SAWs with a fixed…

应用物理 · 物理学 2023-02-22 M. Mohseni , A. Hamadeh , M. Geilen , P. Pirro

The energy efficiency of the spin Hall effects (SHE) can be enhanced if the electrical conductivity is decreased without sacrificing the spin Hall conductivity. The resistivity of Pt films can be increased to 150-300 {\mu}{\Omega}*cm by…

介观与纳米尺度物理 · 物理学 2016-10-12 Chuan Qin , Yongming Luo , Chao Zhou , Yunjiao Cai , Mengwen Jia , Shuhan Chen , Yizheng Wu , Yi Ji