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Several types of detectors are used to detect charged particles in particle and nuclear physics experiments. Since the semiconductor detector has superior spatial and kinematic resolutions as well as good response time than other types of…

Instrumentation and Detectors · Physics 2020-12-02 Beomkyu Kim , Jeongsu Bok , Jaeyoon Cho , Jiyeon Cho , Jiyeon Kwon , Hyungjun Lee , Minjung Kweon

A real-time functional-integral method is used to derive an effective action that gives the transmission spectrum of a tunneling particle interacting with a bath of harmonic oscillators. The transmission spectum is expressed in terms of…

Condensed Matter · Physics 2009-10-28 Masahito Ueda

Top-gated, few-layer graphene field-effect transistors (FETs) fabricated on thermally-decomposed semi-insulating 4H-SiC substrates are demonstrated. Physical vapor deposited SiO2 is used as the gate dielectric. A two-dimensional hexagonal…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Y. Q. Wu , P. D. Ye , M. A. Capano , Y. Xuan , Y. Sui , M. Qi , J. A. Cooper

In this paper we propose a modified structure of TFET incorporating ferroelectric oxide as the complementary gate dielectric operating in negative capacitance zone, called the Negative Capacitance Tunnel FET (NCTFET). The proposed device…

General Physics · Physics 2014-05-21 Nadim Chowdhury , S. M. Farhaduzzaman Azad , Quazi D. M. Khosru

Transistors are the cornerstone of modern electronics. Yet, their relatively complex characteristics, allied with often observed great parameter variation, remain a challenge for discrete and integrated electronics. Much of transistor…

Applied Physics · Physics 2018-02-08 Luciano da F. Costa

We consider an electromechanical system where a microwave cavity is coupled to a mechanical resonator, with a mechanical frequency twice the microwave frequency. In this regime, the effective photon-phonon interaction is equivalent to that…

Quantum Physics · Physics 2019-01-09 E. Jansen , J. D. P. Machado , Ya. M. Blanter

This work presents the development of an electronic system for the electrical characterization of pH sensors based on the extended gate field effect transistor (EGFET). We designed an electronic circuit with a microcontroller (PIC15F14K50)…

Instrumentation and Detectors · Physics 2015-06-15 Pablo Diniz Batista

A superconducting fault current limiter of the transformer type (inductive FCL) based on magnetic coupling between a superconducting element and a protected circuit has been investigated by many authors for various parameters and…

Superconductivity · Physics 2015-06-25 Vladimir Sokolovsky , Victor Meerovich , Istvan Vajda

A model of vesicle electrodeformation is described which obtains a parametrized vesicle shape by minimizing the sum of the membrane bending energy and the energy due to the electric field. Both the vesicle membrane and the aqueous media…

Biological Physics · Physics 2010-08-23 Primoz Peterlin

New mechanism of magnetoresistance, based on tunneling-emission of spin polarized electrons from ferromagnets (FM) into semiconductors (S) and precession of electron spin in the semiconductor layer under external magnetic field, is…

Materials Science · Physics 2009-11-10 A. M. Bratkovsky , V. V. Osipov

Transient negative differential capacitance (NC), the dynamic reversal of transient capacitance in an electrical circuit is of highly technological and scientific interest since it probes the foundation of ferroelectricity. In this letter,…

Applied Physics · Physics 2018-01-17 Sou-Chi Chang , Uygar E. Avci , Dmitri E. Nikonov , Sasikanth Manipatruni , Ian A. Young

The field-effect mobility in an organic thin-film transistor is studied theoretically. From a percolation model of hopping between localized states and a transistor model an analytic expression for the field-effect mobility is obtained. The…

Condensed Matter · Physics 2009-10-31 M. C. J. M. Vissenberg , M. Matters

Coupled surface plasmons arise in the surfaces of a dielectric layer between two metallic media when a dim wave propagating in the dielectric generates resonant free charge oscillations at the interfaces. Here, we consider surface plasmon…

Optics · Physics 2024-10-29 Yago Arosa , Alejandro Doval , Raúl de la Fuente

An RF helical deflector is a type of electron and ion optics device that applies a time-dependent rotating transverse electric or magnetic field by means of time-dependent RF voltage applied on two opposite conducting helical structures…

Accelerator Physics · Physics 2026-01-16 Hayk Lekdar Gevorgyan

We obtain the output characteristics of graphene field-effect transistors by using the charge-control model for the current, based on the solution of the Boltzmann equation in the field-dependent relaxation time approximation. Closed…

Mesoscale and Nanoscale Physics · Physics 2010-07-22 Brett W. Scott , Jean-Pierre Leburton

We discuss some examples where numerical simulations based on effectively fabricated nanostructures can provide additional insights into an experiment. Focusing on plasmonics, we study Fano resonant systems for optical trapping, realistic…

Optics · Physics 2022-10-27 Andrei Kiselev , Jeonghyeon Kim , Olivier J. F. Martin

This work investigates energy filtering in nanowires, where pass and stopbands are obtained by including superlattices in the wire. When a pair of such superlattices is placed in series, each being controlled by a gate, it can act as a…

Mesoscale and Nanoscale Physics · Physics 2016-10-03 Maarten Thewissen , Bart Sorée , Wim Magnus

In this work, we investigate the conduction properties of strongly interacting fermions flowing through a quasi two-dimensional, multimode channel, which connects two atomic reservoirs. The atomic current in the channel is controlled using…

We present an electrically driven plasmonic device consisting of a gold nanoparticle trapped in a gap between two electrodes. The tunneling current in the device generates plasmons, which decay radiatively. The emitted spectrum extends up…

Mesoscale and Nanoscale Physics · Physics 2016-01-21 Yuval Vardi , Eyal Cohen-Hoshen , Guy Shalem , Israel Bar-Joseph

Strong near-field enhancements (NFEs) of nanophotonic structures are believed to be closely related to high Purcell factors (FP). Here, we theoretically show that the correlation is partially correct; the extinction cross section ({\sigma})…

Optics · Physics 2024-01-17 Xu-Tao Tang , Lin Ma , Yue You , Xiao-Jing Du , Hua Qiu , Xi-Hua Guan , Jun He , Zhong-Jian Yang
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