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Related papers: A two-dimensional spin field-effect transistor

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Two-dimensional (2D) transition metal dichalcogenides (TMDs) such as molybdenum disulfide (MoS2) have been intensively investigated because of their exclusive physical properties for advanced electronics and optoelectronics. In the present…

We consider the electron transport in the Datta-Das spin transistor within the two-subband model taking into account the intra- and inter-subband spin-orbit (SO) interaction and study the influence of the inter-subband SO coupling on the…

Mesoscale and Nanoscale Physics · Physics 2016-06-28 P. Wójcik , J. Adamowski

Reducing the contact resistance of field-effect transistors based on two-dimensional materials is one of the key improvements required to enable the integration of such transistors in an advanced semiconductor manufacturing process.…

Mesoscale and Nanoscale Physics · Physics 2024-12-31 Giuseppe Lovarelli , Fabrizio Mazziotti , Demetrio Logoteta , Giuseppe Iannaccone

Combining the electronic properties of graphene and molybdenum disulphide (MoS$_2$) monolayers in two-dimensional (2D) ultrathin hybrid nanocomposites have been synthesized experimentally to create excellent electronic, electrochemical,…

Materials Science · Physics 2016-03-03 Wei Hu , Tian Wang , Jinlong Yang

This paper presents a novel design concept for spintronic nanoelectronics that emphasizes a seamless integration of spin-based memory and logic circuits. The building blocks are magneto-logic gates based on a hybrid graphene/ferromagnet…

Spin transistors based on a semiconducting channel attached to ferromagnetic electrodes suffer from fast spin decay and extremely low spin injection/detection efficiencies. Here, we propose an alternative all-in-one spin device whose…

Spin-orbit coupling (SOC) can provide essential tools to manipulate electron spins in two-dimensional materials like graphene, which is of great interest for both fundamental physics and spintronics application. In this paper, we report the…

Mesoscale and Nanoscale Physics · Physics 2021-10-12 Shimin Cao , Chuanwu Cao , Shibing Tian , Jian-Hao Chen

Two-dimensional (2D) transition metal di-chalcogenide layers with high electrical conductivity and spin-orbit coupling (SOC) can find huge potential in spintronic devices. With limited success of 2D spin Hall material development, we…

Two-dimensional crystals have emerged as a new class of materials with novel properties that may impact future technologies. Experimentally identifying and characterizing new functional two-dimensional materials in the vast material pool is…

Materials Science · Physics 2015-06-18 Likai Li , Yijun Yu , Guo Jun Ye , Qingqin Ge , Xuedong Ou , Hua Wu , Donglai Feng , Xian Hui Chen , Yuanbo Zhang

Generating spintronic devices has been a goal for the nano-science. We have used density function theory to determine magnetic phases of single layer and bilayer lithium doped graphene nanoflakes. We have introduced graphene flakes as…

Mesoscale and Nanoscale Physics · Physics 2016-02-03 Narjes Kheirabadi

The ability to engineer new states of matter and to control their electronic and spintronic properties by electric fields is at the heart of the modern information technology and driving force behind recent advances in van der Waals (vdW)…

Mesoscale and Nanoscale Physics · Physics 2019-10-14 Anamul Md. Hoque , Dmitrii Khokhriakov , Bogdan Karpiak , Saroj P. Dash

The superconducting diode effect (SDE) refers to non-reciprocal transport, where current flows without resistance in one direction but becomes resistive in the opposite direction, but its typical reliance on magnetic field hinders…

Superconductivity · Physics 2025-08-15 Sayak Bhowmik , Dibyendu Samanta , Ashis K. Nandy , Arijit Saha , Sudeep Kumar Ghosh

A magnetic-field-effect transistor is proposed that generates a spin-polarized current and exhibits a giant negative magnetoresitance. The device consists of a nonmagnetic conducting channel (wire or strip) wrapped, or sandwiched, by a…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 R. N. Gurzhi , A. N. Kalinenko , A. I. Kopeliovich , A. V. Yanovsky , E. N. Bogachek , Uzi Landman

We explore electrically injected, spin polarized transport in a ballistic two-dimensional electron gas. We augment the Buettiker-Landauer picture with a simple, but realistic model for spin-selective contacts to describe multimode…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 H. X. Tang , F. G. Monzon , Ron Lifshitz , M. C. Cross , M. L. Roukes

The discovery of atomic monolayer magnetic materials has stimulated intense research activities in the two-dimensional (2D) van der Waals (vdW) materials community. The field is growing rapidly and there has been a large class of 2D vdW…

Magnetic skyrmions are vortex-like, swirls of magnetisation whose topological protection and particle-like nature have suggested them to be suitable for a number of novel spintronic devices. One such application is skyrmionic computing,…

The realization of a viable semiconductor transistor and information processing devices based on the electron spin has fueled intense basic research of three key elements: injection, detection, and manipulation of spins in the semiconductor…

Mesoscale and Nanoscale Physics · Physics 2012-02-07 K. Olejnik , J. Wunderlich , A. C. Irvine , R. P. Campion , V. P. Amin , Jairo Sinova , T. Jungwirth

The photon spin is an important resource for quantum information processing as is the electron spin in spintronics. However, for subwavelength confined optical excitations, polarization as a global property of a mode cannot be defined.…

Optics · Physics 2018-12-11 Enno Krauss , Gary Razinskas , Dominik Köck , Swen Grossmann , Bert Hecht

The ability to manipulate two-dimensional (2D) electrons with external electric fields provides a route to synthetic band engineering. By imposing artificially designed and spatially periodic superlattice (SL) potentials, 2D electronic…

We propose a method of constructing cold atom analogs of the spintronic device known as the Datta-Das transistor (DDT), which despite its seminal conceptual role in spintronics, has never been successfully realized with electrons. We…

Mesoscale and Nanoscale Physics · Physics 2009-02-09 J. Y. Vaishnav , Julius Ruseckas , Charles W. Clark , Gediminas Juzeliunas