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We theoretically consider the spin Seebeck effect, the charge Seebeck coefficient, and the thermoelectric figure of merit in superconducting hybrid structures including either magnetic textures or intrinsic spin-orbit coupling. We…

Mesoscale and Nanoscale Physics · Physics 2017-02-01 Marianne Etzelmüller Bathen , Jacob Linder

In this paper we study the size effects of the ferroelectric nanotube and nanowire phase diagrams and polar properties allowing for radial stress and depolarization field influence. The approximate analytical expression for the…

Materials Science · Physics 2009-05-09 Anna N. Morozovska , Maya D. Glinchuk , Eugene A. Eliseev

Thermoelectric devices convert temperature gradients into electrical power and vice versa, thus enabling energy scavenging from waste heat, sensing and cooling. Yet, many of these attractive applications are hindered by the limited…

Materials Science · Physics 2019-02-14 Davide Donadio

Several models of thermionic energy nanoconverters have been proposed to study the transport phenomena that take place in electronic devices. For example, in resonant tunneling junctions those phenomena are manifested through the…

Mesoscale and Nanoscale Physics · Physics 2020-06-02 G. Valencia-Ortega , L. A. Arias-Hernandez

The thermoelectric properties of a nanoscale germanium segment connected by aluminium nanowires are studied using scanning thermal microscopy. The germanium segment of 168\,nm length features atomically sharp interfaces to the aluminium…

In a family of experiments carried on all-metallic supercurrent nano-transistors a surprising gating effect has been recently shown. These include the full suppression of the critical supercurrent, the increase of quasiparticle population,…

Mesoscale and Nanoscale Physics · Physics 2021-01-26 M. Rocci , G. De Simoni , C. Puglia , D. Degli Esposti , E. Strambini , V. Zannier , L. Sorba , F. Giazotto

Non-symmetric variants of self-consistent field theory are proposed that served the basis for theoretical investigation of the effect of thermal conductivity of composite particles surface layers on the effective thermoelectric figure of…

Materials Science · Physics 2011-08-30 A. A. Snarskii , M. I. Zhenirovskyy

We consider the effective properties of composite structure that includes nanocontacts between macrocrystallits of bulk material. The model of a such nanostructured composite is developed. In the mean-field approximation we calculate…

Materials Science · Physics 2011-10-11 A. A. Snarskii , A. K. Sarychev , I. V. Bezsudnov , A. N. Lagarkov

We theoretically study the electrolyte Seebeck effect in the vicinity of a heated metal nanostructure, such as the cap of an active Janus colloid in an electrolyte, or gold- coated interfaces in optofluidic devices. The thermocharge…

Soft Condensed Matter · Physics 2018-02-27 Aboubakry Ly , Arghya Majee , Alois Würger

The flow of a thermoelectric current through a semiconductor of submicron dimensions is analyzed. The rate of surface relaxation of the energy is assumed to be much higher than the rate of electron-electron collisions. Under these…

Condensed Matter · Physics 2007-05-23 Yu. G. Gurevich , G. N. Logvinov , O. Yu. Titov

We report on non-equilibrium electronic transport through normal-metal (Cu) nanobridges coupled to large reservoirs at low temperatures. We observe a logarithmic temperature dependence of the zero-bias conductance, as well as a universal…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 D. Beckmann , H. B. Weber , H. v. Löhneysen

It is shown that nanoparticles made of low $T_c$ superconductors have large diamagnetic response at temperatures several orders of magnitude above $T_c$. Most features of the recently observed Giant diamagnetism of Au nanorods are explained…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 Yoseph Imry

The superfluid phase and Coulomb drag effect caused by the pairing in the system of spatially separated electrons and holes in two coaxial cylindrical nanotubes are predicted. It is found that the drag resistance as a function of…

Superconductivity · Physics 2013-12-31 Oleg L. Berman , Ilya Grigorenko , Roman Ya. Kezerashvili

In transition metal oxides, quantum confinement arising from a large surface to volume ratio often gives rise to novel physico-chemical properties at nanoscale. Their size dependent properties have potential applications in diverse areas,…

We study the Coulomb drag effect in double layer electronic systems with local tunneling links. The possibility of tunneling between the layers leads to a pronounced exchange contribution to the transconductance, which is negative and…

Condensed Matter · Physics 2009-10-30 Yuval Oreg , Alex Kamenev

Using first-principles calculations combined with Boltzmann transport theory, we investigate the effects of topological edge states on the thermoelectric properties of Bi nanoribbons. It is found that there is a competition between the edge…

Materials Science · Physics 2016-10-13 L. Cheng , H. J. Liu , J. H. Liang , J. Zhang , J. Wei , P. H. Jiang , D. D. Fan

We develop a theoretical proposal for the charge Kondo effect in mesoscopic normal-superconductor-normal heterostructures, where the superconducting gap exceeds the electrostatic charging energy. Charge-Kondo correlations in these devices…

Mesoscale and Nanoscale Physics · Physics 2011-09-13 Ion Garate

A summary is given of a talk on the physics and technology of hybrid metallic nanostructures, with a view to metallic nanoelectronics. In the beginning of the talk it was noted that the majority of the presentations at the conference were…

Mesoscale and Nanoscale Physics · Physics 2009-10-08 V. T. Petrashov

A central challenge in nanoscale superconductivity is to understand and exploit the combined action of quantum confinement and proximity effects in experimentally realistic metallic heterostructures. We theoretically investigate…

Superconductivity · Physics 2026-03-27 Giovanni A. Ummarino , Alessio Zaccone

Using first-principles approaches, we have investigated the thermoelectric properties and the energy conversion efficiency of the paired metal-Br-Al junction. Owing to the narrow states in the vicinity of the chemical potential, the…

Mesoscale and Nanoscale Physics · Physics 2011-01-21 Yu-Shen Liu , Hsuan-Te Yao , Yu-Chang Chen