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We derive kinetic equations describing injection and transport of spin polarized carriers in organic semiconductors with hopping conductivity via an impurity level. The model predicts a strongly voltage dependent magnetoresistance, defined…

介观与纳米尺度物理 · 物理学 2015-02-06 A. V. Shumilin , V. V. Kabanov , V. A. Dediu

We propose an optical memory cell based on ultrafast wavelength switching in coupled-cavity microlasers, featuring bistability between modes separated by several nanometers. A numerical implementation is demonstrated by simulating a…

光学 · 物理学 2009-11-29 Sergei V. Zhukovsky , Dmitry N. Chigrin

Mechanical metamaterials with bistable elements can store vast amounts of information, but writing these memories requires impractical local control or lengthy multi-cycle protocols. We overcome this limitation with a dynamic control…

软凝聚态物质 · 物理学 2025-09-16 E. Gutierrez-Prieto , C. M. Meulblok , M. van Hecke , P. M. Reis

The reservoir computing based on the thin film embedded with magnetic impurities in the presence of the long-range (the dipole-dipole) interaction is numerically investigated. We simulated the magnetization dynamics by taking into account…

无序系统与神经网络 · 物理学 2026-05-05 Shuto Kamakura , Tomi Ohtsuki , Jun-ichiro Ohe

Ferroelectric devices use their electric polarization ferroic order as the switching and storage physical quantity for memory applications. However, additional built-in physical quantities and memory paradigms are requested for…

材料科学 · 物理学 2014-06-16 B. Kundys , V. Iurchuk , C. Meny , H. Majjad , B. Doudin

This paper presents a model-free adaptive control approach to suppress vibrations in a cantilevered beam excited by an unknown disturbance. The cantilevered beam under harmonic excitation is modeled using a lumped parameter approach. Based…

系统与控制 · 电气工程与系统科学 2026-01-12 Juan Augusto Paredes Salazar , Ankit Goel

Reservoir Computing offers a great computational framework where a physical system can directly be used as computational substrate. Typically a "reservoir" is comprised of a large number of dynamical systems, and is consequently…

混沌动力学 · 物理学 2022-05-11 Swarnendu Mandal , Sudeshna Sinha , Manish Dev Shrimali

Magnetometer is a significant sensor for integrated navigation. However, it suffers from many kinds of unknown dynamic magnetic disturbances. We study the problem of online estimating such disturbances via a nonlinear optimization aided by…

系统与控制 · 计算机科学 2019-02-28 Jin Wu

Magnetic phases are commonly identified through macroscopic magnetization, yet many ordered states, including antiferromagnets and altermagnets, possess a vanishing net moment despite distinct local spin structure. We show that such an…

介观与纳米尺度物理 · 物理学 2026-01-14 Rishith Reddy , Parveen Kumar , Ankur Das

We investigate a variational theory for magnetoelastic solids under the incompressibility constraint. The state of the system is described by deformation and magnetization. While the former is classically related to the reference…

偏微分方程分析 · 数学 2015-01-08 Martin Kružík , Ulisse Stefanelli , Jan Zeman

We analyzed the magnetoresistivity of a two-dimensional electron system excited by microwave radiation in a regime of high intensities and low frequencies. In such a regime, recent experiments show that different features appear in the…

介观与纳米尺度物理 · 物理学 2009-11-13 Jesus Inarrea

We propose a simple model of a nanoswitch as a memory resistor. The resistance of the nanoswitch is determined by electron tunneling through a nanoparticle diffusing around one or more potential minima located between the electrodes in the…

介观与纳米尺度物理 · 物理学 2013-04-17 Sergey E. Savel'ev , Fabio Marchesoni , Alexander M. Bratkovsky

Nanometallic devices based on amorphous insulator-metal thin films are developed to provide a novel non-volatile resistance-switching random-access memory (RRAM). In these devices, data recording is controlled by a bipolar voltage, which…

材料科学 · 物理学 2014-12-08 Xiang Yang

It is assumed that in a two-dimensional electron system with strong correlation (a Wigner liquid), appearance of some relatively slow-moving objects (clusters) composed of small number of electrons is possible. Such clusters may exist in…

强关联电子 · 物理学 2007-05-23 E. G. Batyev

Memristor, one of the fundamental circuit elements, has promising applications in non-volatile memory and storage technology as it can theoretically achieve infinite states. Information can be stored independently in these states and…

新兴技术 · 计算机科学 2019-05-14 Santosh Parajuli , Ram Kaji Budhathoki , Hyongsuk Kim

We present a multifunctional and multistate permanent memory device based on lateral electric field control of a strained surface. Sub-coercive electrical writing of a remnant strain of a PZT substrate imprints stable and rewritable…

材料科学 · 物理学 2014-07-25 V. Iurchuk , B. Doudin , B. Kundys

Magnetic random access memory (MRAM) is a leading emergent memory technology that is poised to replace current non-volatile memory technologies such as eFlash. However, the scaling of MRAM technologies is heavily affected by…

We demonstrate here a proof-of-concept experiment that microelectromechanical systems (MEMS) can be actuated using photoelectrowetting. In order to demonstrate this, a 30 \mu m thick aluminum cantilever is actuated using an ordinary white…

流体动力学 · 物理学 2012-06-01 Matthieu Gaudet , Steve Arscott

We study the opportunity to reduce a magnetic noise produced by a uniform cantilever with a ferromagnetic particle in magnetic resonance force microscopy (MRFM) applications. We demonstrate theoretically a significant reduction of magnetic…

凝聚态物理 · 物理学 2009-11-10 G. P. Berman , V. N. Gorshkov , V. I. Tsifrinovich

The hole distribution in a double quantum well (QW) structure consisting of a magnetic and a nonmagnetic semiconductor QW is investigated as a function of temperature, the energy shift between the QWs, and other relevant parameters. When…

其他凝聚态物理 · 物理学 2009-11-10 Y. G. Semenov , H. Enaya , K. W. Kim