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Nonlinear and hysteretic electrical devices are needed for applications from circuit protection to next-generation computing. Widely-studied devices for resistive switching are based on mass transport, such as the drift of ions in an…

Applied Physics · Physics 2021-01-13 Han Yin , Abinash Kumar , James M. LeBeau , R. Jaramillo

Two-dimensional (2D) ferroelectric semiconductors present opportunities for integrating ferroelectrics into high-density ultrathin nanoelectronics. Among the few synthesized 2D ferroelectrics, $\alpha$-In$_2$Se$_3$, known for its…

Materials Science · Physics 2024-02-29 Liyi Bai , Changming Ke , Zhongshen Luo , Tianyuan Zhu , Lu You , Shi Liu

We describe a strategy for conversion of optical power into DC electrical power using resonant absorption in plasmonic nanostructures. A thermodynamic analysis of the underlying mechanism motivates our description of the phenomenon, which…

Mesoscale and Nanoscale Physics · Physics 2012-02-03 Matthew T. Sheldon , Harry A. Atwater

The concept of a nano-actuator that uses ferroelectric switching to generate enhanced displacements is explored using a phase-field model. The actuator has a ground state in the absence of applied electric field that consists of polarized…

Applied Physics · Physics 2017-11-07 Ananya Renuka Balakrishna , John E. Huber , Chad M. Landis

The fundamental property of most single-electron devices with quasicontinuous quasiparticle spectrum on the island is the periodicity of their transport characteristics in the gate voltage. This property is robust even with respect to…

Mesoscale and Nanoscale Physics · Physics 2014-11-11 S. A. Fedorov , A. E. Korolkov , N. M. Chtchelkatchev , O. G. Udalov , I. S. Beloborodov

Ferroelectric field-effect transistors (FE-FETs) consisting of tunable dielectric layers are utilized to investigate interfacial transport processes. Large changes in the dielectric constant as a function of temperature are observed in…

Materials Science · Physics 2015-06-04 Satyaprasad P. Senanayak , S. Guha , K. S. Narayan

Ferroelectrics feature spontaneous electric dipolar order reconfigurable via electric fields. Recent theoretical studies of the collective excitations of this electric dipolar order give rise to the hope that "ferron" quasiparticles may…

A new type of quartz resonance device for measurements of oscillations of the contact potential difference induced by modulated light is described. Special attention is devoted to the compensation of the constructive capacitance of the…

Instrumentation and Detectors · Physics 2015-02-26 Vasil G. Yordanov , Todor M. Mishonov

Self excitation is a mechanism which is ubiquitous for electromechanical power devices such as electrical generators. This is conventionally achieved by making use of the magnetic field component in electrical generators [1], where a good…

Mesoscale and Nanoscale Physics · Physics 2007-08-14 Hyun S. Kim , Hua Qin , Robert H. Blick

The possibility of significant increase of generated pulsed magnetic fields by the inductor system of a single-turn solenoid and magnetic flux concentrator without initialization of low-cycle fatigue mechanism is theoretically studied by…

Computational Physics · Physics 2025-05-26 P. A. Russkikh , G. Sh. Boltachev

Optical parametric amplification is a second-order nonlinear process whereby an optical signal is amplified by a pump via the generation of an idler field. It is the key ingredient of tunable sources of radiation that play an important role…

Bulk photovoltaic effect, which arises from crystal symmetry-driven charge carrier separation, is an intriguing physical phenomenon that has attracted extensive interest in photovoltaic application due to its junction-free photovoltaic and…

Materials Science · Physics 2023-08-22 Xiaojuan Chen , Kang Xu , Tingxiao Qin , Yubin Wang , Yuzhong Chen , Haiyun Liu , Qihua Xiong

Giant oscillations of the conductance of a superconductor - ferromagnet - superconductor Andreev interferometer are predicted. The effect is due to the resonant transmission of normal electrons through Andreev levels when the voltage $V$…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 A. Kadigrobov , R. I. Shekhter , M. Jonson , Z. Ivanov , T. Claeson

It is demonstrated based on continuum mechanics modeling and simulation that it is possible to obtain polycrystalline ceramic ferroelectric materials which beggars single crystals in electromechanical properties. The local inhomogeneities…

Materials Science · Physics 2010-11-15 K. P. Jayachandran , J. M. Guedes , H. C. Rodrigues

The so-called negative electron compressibility refers to the lowering of the chemical potential of a metallic system when the carrier density increases. This effect has often been invoked in the past to explain the enhancement of the…

Mesoscale and Nanoscale Physics · Physics 2019-06-19 Javier Junquera , Pablo García-Fernández , Massimiliano Stengel

For Sn$_2$P$_2$S$_6$ ferroelectrics, the appearance of spontaneous polarization is related to stereoactivity of tin cations and valence fluctuations of phosphorous cations. Here, the continuous phase transition and its behavior under…

Materials Science · Physics 2018-06-27 R. Yevych , M. Medulych , Yu. Vysochanskii

Particle accelerators use a great variety of power converters for energizing their sub-systems; while the total number of power converters usually depends on the size of the accelerator or combination of accelerators (including the…

Accelerator Physics · Physics 2016-07-07 R. Visintini

In this paper, a non-isolated high step-up DC-DC converter has been proposed for renewable energy applications. The proposed structure converter has been derived from the fundamental Zeta converter, in both of which only a single switch is…

Systems and Control · Electrical Eng. & Systems 2021-10-19 Armin Abadifard , Pedram Ghavidel , Seyed Hossein Hosseini , Masoud Farhadi

We present a pedagogic derivation of the electromagnetic field established in a dielectric material by an impinging external field. We consider the problem from the point of view of the physical mechanism involved at the microscopic level.…

Optics · Physics 2015-02-13 Ledo Stefanini , Giancarlo Reali

Thermoelectricity is the direct conversion of temperature gradient to electric voltage, and vice-versa. There are several potential applications of thermoelectricity, ranging from clean noiseless cooling, to waste-power harvesting in…

Materials Science · Physics 2014-03-18 Yehea Ismail , Ahmed Alaskalany