English
Related papers

Related papers: Microwave Rectification at the Boundary between Tw…

200 papers

We report measurements of the rectification of microwave radiation (0.7-20 GHz) at the boundary between two-dimensional electron systems separated by a narrow gap on a silicon surface for different temperatures, electron densities and…

Strongly Correlated Electrons · Physics 2007-10-24 N. Romero Kalmanovitz , I. Hoxha , Y. Jin , S. A. Vitkalov , M. P. Sarachik , Ivan A. Larkin , T. M. Klapwijk

Within a quasiclassical transport theory for 2D electron system we analyze a recently observed effect of microwave rectification at the boundary between two 2D metals of different carrier densities. Nonlinear response is employed to explain…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Natalya A. Zimbovskaya

The dc magnetoconductivity of the multisubband two-dimensional electron system formed on the liquid helium surface in the presence of resonant microwave irradiation is described, and a new mechanism of the negative linear response…

Mesoscale and Nanoscale Physics · Physics 2015-03-19 Yuriy P. Monarkha

We have measured periodic oscillations of rectified dc voltage versus magnetic field V_{dc}(B) in a superconducting aluminum thin-film circular-asymmetric figure-of-eight microstructure threaded by a magnetic flux and biased with a…

Superconductivity · Physics 2008-03-31 V. I. Kuznetsov , A. A. Firsov , S. V. Dubonos

We investigate the effect of a microwave field on a confined two dimensional electron gas which contains an insulating region comparable to the Fermi wavelength. The insulating region causes the electron wave function to vanish in that…

Materials Science · Physics 2009-01-15 David Schmeltzer , Hsuanyeh Chang

Carbon nanotube Schottky diodes have been fabricated in an all-photolithographic process using dissimilar contact metals on high-frequency compatible substrates (quartz and sapphire). Diodes show near-ideal behavior, and rectify currents of…

Materials Science · Physics 2009-11-13 Enrique Cobas , Michael S. Fuhrer

The dc voltage observed at low-temperatures in a 2D electron sample $without$ external excitation is accounted by the Schottky contact rectification of the noise generated in the measuring circuit. The rectified voltage is shown to depend…

Strongly Correlated Electrons · Physics 2023-11-21 M. V. Cheremisin

We calculate the dissipative dc conductivity of a two-dimensional electron system in a magnetic field for the situation when its effective temperature exceeds the temperature of the acoustic phonon system. We demonstrate that at…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 V. Ryzhii

The influence of microwave radiation on the DC-magnetoresistance of 2D-electrons is studied in the regime beyond the recently discovered zero resistance states when the cyclotron frequency exceeds the radiation frequency. Radiation below 30…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 S. I. Dorozhkin , J. H. Smet , V. Umansky , K. von Klitzing

We investigate the effect of a microwave field on a confined two dimensional electron gas which contains an insulating region comparable to the Fermi wavelength. The insulating region causes the electron wave function to vanish in that…

Mesoscale and Nanoscale Physics · Physics 2008-09-06 D. Schmeltzer , Hsuan-Yeh Chang

Rectification of microwave radiation by asymmetric, ballistic quantum dot is observed. The directed transport is studied at different frequency (1-40 GHz) temperatures (0.3K-6K)and magnetic field. Dramatic reduction of the rectification is…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Jing-qiao Zhang , Sergey Vitkalov , Z. D. Kvon , J. C. Portal , A. Wieck

Periodic quantum oscillations of a rectified dc voltage Vdc(B) vs the perpendicular magnetic field B were measured near the critical temperature Tc in a single superconducting aluminum almost symmetric ring (without specially created…

Superconductivity · Physics 2007-11-28 V. I. Kuznetsov , A. A. Firsov , S. V. Dubonos

We calculate the correction to the electronic density of states in a disordered ferromagnetic metal induced by spin-wave mediated interaction between the electrons. Our calculation is valid for the case that the exchange splitting in the…

Mesoscale and Nanoscale Physics · Physics 2015-06-17 Alessandro Ricottone , Jeroen Danon , Piet W. Brouwer

We present a thermal rectification device concept based on far-field radiative exchange between two selective emitters. Rectification is achieved due to the fact that one of the selective emitters radiative properties are independent on…

Mesoscale and Nanoscale Physics · Physics 2014-07-14 Elyes Nefzaoui , Jérémie Drevillon , Younès Ezzahri , Karl Joulain

We study the variation of the differential conductance $G=dj/dV$ of a normal metal wire in a Superconductor/Normal metal heterostructure with a cross geometry under external microwave radiation applied to the superconducting parts. Our…

Superconductivity · Physics 2010-07-06 E. Kandelaki , A. F. Volkov , K. B. Efetov , V. T. Petrashov

Microwave irradiation of a two-dimensional electron gas (2DEG) produces a non-equilibrium distribution of electrons, and leads to oscillations in the dissipative part of the conductivity. We show that the same non-equilibrium electron…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 M. G. Vavilov , I. A. Dmitriev , I. L. Aleiner , A. D. Mirlin , D. G. Polyakov

Antenna-coupled suspended single carbon nanotubes exposed to 108 GHz microwave radiation are shown to be selectively heated with respect to their metal contacts. This leads to an increase in the conductance as well as to the development of…

Mesoscale and Nanoscale Physics · Physics 2012-06-05 H. L. Hortensius , A. Ozturk , P. Zeng , E. F. C. Driessen , T. M. Klapwijk

Recently discovered modulations of Shubnikov-de Haas oscillations in microwave-irradiated two-dimensional electron systems are shown to arise from electron heating induced by the radiation. The electron temperature, obtained by balancing…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 X. L. Lei , S. Y. Liu

By means of fluctuationnal electrodynamics, we calculate radiative heat flux between two pla-nar materials respectively made of SiC and SiO2. More specifically, we focus on a first (direct) situation where one of the two materials (for…

Mesoscale and Nanoscale Physics · Physics 2015-10-28 Karl Joulain , Younes Ezzahri , Jérémie Drevillon , Benoit Rousseau , Domingos De Sousa Meneses

A tunable, polarization sensitive microwave filter based on a reconfigurable dual-layered two-dimensional metallic photonic crystal is presented. The filter consists of a metallic plate with periodic holes and metal pillars which are…

Applied Physics · Physics 2024-11-04 Sanaz Zarei
‹ Prev 1 2 3 10 Next ›