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On the spin-valve-like ferromagnet/spin glass/ferromagnet (FM/SG/FM) structure, the tunneling current is dominated by resistance switch (RS) instead of the local density of states according to the conventional tunneling theory. Here we show…

We establish a unified, symmetry-driven framework that combines the alternating spin splitting of altermagnets with valley topology to realize and electrically interconvert helical and chiral topological phases within a single material…

Mesoscale and Nanoscale Physics · Physics 2026-03-09 Xianzhang Chen , Jiayong Zhang , Bowen Hao , Jiahui Qian , Ziye Zhu , Igor Zutic , Zhenyu Zhang , Tong Zhou

We present measurements of inverse spin Hall effects (ISHEs) in which the conversion of a spin current into a charge current via the ISHE is detected not as a voltage in a standard open circuit but directly as the charge current generated…

Mesoscale and Nanoscale Physics · Physics 2014-06-24 Y. Omori , F. Auvray , T. Wakamura , Y. Niimi , A. Fert , Y. Otani

The spin Hall angle (SHA) is a measure of the efficiency with which a transverse spin current is generated from a charge current by the spin-orbit coupling and disorder in the spin Hall effect (SHE). In a study of the SHE for a Pt$|$Py…

Materials Science · Physics 2016-05-12 Lei Wang , R. J. H. Wesselink , Yi Liu , Zhe Yuan , Ke Xia , Paul J. Kelly

All Spin Logic gates employ multiple nano-magnets interacting through spin-torque using non-magnetic channels. Compactness, non-volatility and ultra-low voltage operation are some of the attractive features of ASL, while, low…

Mesoscale and Nanoscale Physics · Physics 2013-08-13 Mrigank Sharad , Karthik Yogendra , Arun Gaud , Kon-Woo Kwon , Kaushik Roy

Energy-efficient communication using a class of spatial modulation (SM) that encodes the source information entirely in the antenna indices is considered in this paper. The energy-efficient modulation design is formulated as a convex…

Information Theory · Computer Science 2023-07-19 Ronald Y. Chang , Sian-Jheng Lin , Wei-Ho Chung

A new class of spin-transfer torque magnetic random access memory (STT-MRAM) is discussed, in which writing is achieved using thermally initiated magnonic current pulses as an alternative to conventional electric current pulses. The…

Materials Science · Physics 2015-05-28 Niladri N. Mojumder , David W. Abraham , Kaushik Roy , D. C. Worledge

Using a semiclassical approach that simultaneously incorporates the spin Hall effect (SHE), spin diffusion, quantum well states, and interface spin-orbit coupling (SOC), we address the interplay of these mechanisms as the origin of the…

Mesoscale and Nanoscale Physics · Physics 2018-05-09 Kohei Sakanashi , Manfred Sigrist , Wei Chen

Once called a "classically non-describable two-valuedness" by Pauli , the electron spin is a natural resource for long-lived quantum information since it is mostly impervious to electric fluctuations and can be replicated in large arrays…

Considering an array of spin torque transfer nano oscillators (STNOs), we have investigated the synchronization property of the system under the action of a common periodically driven applied external magnetic field by numerically analyzing…

Chaotic Dynamics · Physics 2014-06-17 B. Subash , V. K. Chandrasekar , M. Lakshmanan

In spinelectronics the spin degree of freedom is used to transmit and store information. Ideally this occurs without net charge currents in order to avoid energy dissipation due to Joule heating. To this end the ability to create pure spin…

Mesoscale and Nanoscale Physics · Physics 2014-10-27 Dahai Wei , Martin Obstbaum , Christian Back , Georg Woltersdorf

The concept of low-voltage depletion and accumulation of electron charge in semiconductors, utilized in field-effect transistors (FETs), is one of the cornerstones of current information processing technologies. Spintronics which is based…

Although recent experiments and theories have shown a variety of exotic transport properties of non-equilibrium quasiparticles (QPs) in superconductor (SC)-based devices with either Zeeman or exchange spin-splitting, how QP interplays with…

Mesoscale and Nanoscale Physics · Physics 2020-11-30 Kun-Rok Jeon , Jae-Chun Jeon , Xilin Zhou , Andrea Migliorini , Jiho Yoon , Stuart S. P. Parkin

Spintronics had a widespread impact over the past decades due to transferring information by spin rather than electric currents. Its further development requires miniaturization and reduction of characteristic timescales of spin dynamics…

The spin Hall effect (SHE) is a generation of spin polarization for moving spin carriers in materials under an external electric field and has been observed in semiconductors, metals, and insulators at or below room temperature. Recent…

High Energy Physics - Phenomenology · Physics 2026-04-01 Baochi Fu , Longgang Pang , Huichao Song , Yi Yin

Synchronization is ubiquitous across a wide range of fields. Subharmonic entrainment (SHE) is a nonlinear synchronization phenomenon that results in a locking oscillator at a frequency of an external periodic forcing signal with a fraction…

We propose capacitively driven low-swing global interconnect circuit using a receiver that utilizes magnetoelectric (ME) effect induced magnetization switching to reduce the energy consumption. Capacitively driven wire has recently been…

Emerging Technologies · Computer Science 2018-03-01 Zubair Al Azim , Akhilesh Jaiswal , Indranil Chakraborty , Kaushik Roy

We report on a theoretical study of the spin Hall Effect (SHE) and weak antilocal-ization (WAL) in graphene/transition metal dichalcogenide (TMDC) heterostructures, computed through efficient real-space quantum transport methods, and using…

Mesoscale and Nanoscale Physics · Physics 2017-09-08 Jose H. Garcia , Aron W. Cummings , Stephan Roche

Repeaterless low swing interconnects use mixed signal circuits to achieve high performance at low power. When these interconnects are used in large scale and high volume digital systems their testability becomes very important. This paper…

Hardware Architecture · Computer Science 2015-11-23 Naveen Kadayinti , Dinesh K. Sharma

Spin Hall effects are a collection of relativistic spin-orbit coupling phenomena in which electrical currents can generate transverse spin currents and vice versa. Although first observed only a decade ago, these effects are already…

Materials Science · Physics 2014-11-13 Jairo Sinova , Sergio O. Valenzuela , J. Wunderlich , C. H. Back , T. Jungwirth