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Related papers: Microwave-Induced Dephasing in One-Dimensional Met…

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We demonstrate composite media with ferromagnetic wires that exhibit a frequency region at the microwave regime with scattering spectra strongly dependent on an external magnetic field or stress. These tunable composite materials have…

Materials Science · Physics 2013-05-29 D. P. Makhnovskiy , L. V. Panina , C. Garcia , A. P. Zhukov , J. Gonzalez

In one-dimensional (1D) metallic systems, the diverging electron susceptibility and electron-phonon coupling collaboratively drive the electrons into a charge density wave (CDW) state. However, strictly 1D system is unstable against…

Mesoscale and Nanoscale Physics · Physics 2021-01-20 Xing Yang , Jing-Jing Xian , Gang Li , Naoto Nagaosa , Wen-Hao Zhang , Le Qin , Zhi-Mo Zhang , Jing-Tao Lü , Ying-Shuang Fu

We study the transport properties of interacting electrons in a disordered quantum wire within the framework of the Luttinger liquid model. The conductivity at finite temperature is nonzero only because of inelastic electron-electron…

Disordered Systems and Neural Networks · Physics 2009-11-10 I. V. Gornyi , A. D. Mirlin , D. G. Polyakov

Temperature dependence of electron dephasing time $\tau_\phi(T)$ is calculated for a disordered metal with small concentration of superconductive grains. Above the macroscopic superconducting transition line, when electrons in the metal are…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 M. A. Skvortsov , A. I. Larkin , M. V. Feigel'man

We have studied the effect of thermal annealing on electron dephasing times $\tau_\phi$ in three-dimensional polycrystalline metals. Measurements are performed on as-sputtered and annealed AuPd and Sb thick films, using weak-localization…

Mesoscale and Nanoscale Physics · Physics 2009-05-05 J. J. Lin , Y. L. Zhong , T. J. Li

Calculating the density-density correlation function for disordered wires, we study localization properties of wave functions in a magnetic field. The supersymmetry technique combined with the transfer matrix method is used. It is…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 A. V. Kolesnikov , K. B. Efetov

The paper reports on the investigations of the weak localization (WL) effects in 3D polycrystalline thin films of InSb. The films are closely compensated showing the electron concentration n>10^{16} cm^{-3} at the total concentration of the…

Materials Science · Physics 2009-11-07 M. Oszwaldowski , T. Berus , V. K. Dugaev

What is the lowest temperature to which one can trace the growth of the dephasing time in low-dimensional conductors? I consider the fundamental limitation, the crossover from weak to strong localization, as well as several experimental…

Mesoscale and Nanoscale Physics · Physics 2017-09-27 Michael Gershenson

Collective transport through a multichannel disordered conductor in contact with charge-density-wave electrodes is theoretically investigated. The statistical distribution function of the threshold potential for charge-density wave sliding…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Mark I. Visscher , Behzad Rejaei , Gerrit E. W. Bauer

We investigate the charge density wave (CDW) instability in single and double layers, as well as in the bulk 2H-NbSe$_{2}$. We demonstrate that the density functional theory correctly describes the metallic CDW state in the bulk…

Materials Science · Physics 2015-05-14 Matteo Calandra , I. I. Mazin , Francesco Mauri

In this paper, magnetoelectric effects of Sr Z-type hexaferrite, Sr3Fe24Co2O41, at room temperature is measured. The change in remanence magnetization was measured by applying a DC voltage or electric field across a slab of hexaferrite.…

Materials Science · Physics 2011-11-24 Khabat Ebnabbasi , Yajie Chen , Anton Geiler , Vincent Harris , Carmine Vittoria

We report on a systematic study of the structural, magnetic and transport properties of high-purity 1T-VS$_2$ powder samples prepared under high pressure. The results differ notably from those previously obtained by de-intercalating Li from…

We investigate in atomic scale the electronic phase separation occurring in the well known quasi 1D charge-density wave (CDW) phase of the In atomic wire array on a Si(111) surface. The characteristic atomic scale defects, originated from…

Mesoscale and Nanoscale Physics · Physics 2021-07-28 Sun kyu Song , Han Woong Yeom

We present phase coherence time measurements in quasi-one-dimensional Ag wires implanted with Ag$^{+}$ ions with an energy of $100 keV$. The measurements have been carried out in the temperature range from $100 mK$ up to $10 K$; this has to…

Mesoscale and Nanoscale Physics · Physics 2008-05-14 T. Capron , Y. Niimi , Y. Baines , D. Mailly , F. -Y. Lo , A. Melnikov , A. D. Wieck , L. Saminadayar , C. Bäuerle

The one-dimensional metallic states that appear at the zigzag edges of semiconducting two-dimensional transition metal di-chalcogenides (TMDCs) result from the intrinsic electric polarization in these materials, which for D$_{3h}$ symmetry…

Materials Science · Physics 2020-10-28 Sridevi Krishnamurthi , Mojtaba Farmanbar , Geert Brocks

One-dimensional (1D) van der Waals (vdW) materials offer nearly defect-free strands as channel material in the field-effect transistor (FET) devices and probably, a better interconnect than conventional copper with higher current density…

Mesoscale and Nanoscale Physics · Physics 2023-07-12 Bikash Das , Kapildeb Dolui , Rahul Paramanik , Tanima Kundu , Sujan Maity , Anudeepa Ghosh , Mainak Palit , Subhadeep Datta

We discuss the first theory for the depinning of low dimensional, incommensurate, charge density waves (CDWs) in the strong electron-phonon (e-p) regime. Arguing that most real CDWs systems invariably develop a gigantic dielectric constant…

Materials Science · Physics 2017-05-24 P. Quemerais

We present a model for microwave photoconductivity in two-dimensional electron systems (2DESs) in a magnetic field at the microwave frequencies lower that the electron cyclotron frequency when the intra-Landau level (LL) transitions…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 V. Ryzhii

Charge-density-wave (CDW) is a modulation of the conduction electron density in a conductor. Under low temperature, it can spontaneously happen in some compounds that consist of anisotropic one-dimensional crystal structures, via a strong…

Mesoscale and Nanoscale Physics · Physics 2012-06-06 Ting-Ting Kang

Domain walls (DWs) are singularities in an ordered medium that often host exotic phenomena such as charge ordering, insulator-metal transition, or superconductivity. The ability to locally write and erase DWs is highly desirable, as it…