English
Related papers

Related papers: A Zero-Bias Superconducting Voltage Amplifier Base…

200 papers

Recent studies have shown the potential for bipolar thermoelectricity in superconducting tunnel junctions with asymmetric energy gaps. The thermoelectric performance of these systems is significantly impacted by the inverse proximity…

Mesoscale and Nanoscale Physics · Physics 2023-06-14 A. Hijano , F. S. Bergeret , F. Giazotto , A. Braggio

We investigate the thermoelectric properties of a hybrid nanodevice composed by a 2D carbon based material and a superconductor. This system presents nonlinear bipolar thermoelectricity as induced by the spontaneous breaking of the…

Mesoscale and Nanoscale Physics · Physics 2023-04-11 Lorenzo Bernazzani , Giampiero Marchegiani , Francesco Giazotto , Stefano Roddaro , Alessandro Braggio

The negative differential resistance (NDR) tunnel diodes are promising alternative devices for beyond-CMOS computing as they offer several potential applications when integrated with transistors. We propose a novel semiconductor-free NDR…

Mesoscale and Nanoscale Physics · Physics 2022-10-26 Ersoy Sasioglu , Ingrid Mertig

The superconducting diode effect has garnered significant interest due to its prospective applications in cryogenic electronics and computing, enabling directional supercurrent transport. This phenomenon has been demonstrated across various…

Superconductivity · Physics 2025-09-19 L. Borgongino , R. Seoane Souto , A. Paghi , G. Senesi , K. Skibinska , L. Sorba , E. Riccardi , F. Giazotto , E. Strambini

We investigate the noise current in a thermally biased tunnel junction between two superconductors with different zero-temperature gaps. When the Josephson effect is suppressed, this structure can support a nonlinear thermoelectric effect…

Mesoscale and Nanoscale Physics · Physics 2020-11-26 G. Marchegiani , A. Braggio , F. Giazotto

We introduce a superconducting transconductance amplifier based on the thermal modulation of a SINIS (Superconductor-Insulator-Normal metal-Insulator-Superconductor) configuration. The device is composed of a normal metal island interfaced…

Superconductivity · Physics 2025-05-28 Giacomo Trupiano , Giorgio De Simoni , Francesco Giazotto

We theoretically investigate a near-quantum-limited parametric amplifier based on the nonlinear dynamics of quasiparticles flowing through a superconducting-insulator-superconducting junction. Photon-assisted tunneling, resulting from the…

We propose a new type of a transition edge sensor based on an Al/AlOx/Ti/AlOx/Al superconductor - insulator - superconductor - insulator - superconductor (SIS'IS) structure. It exhibits sharp dependence of zero bias resistance on…

Mesoscale and Nanoscale Physics · Physics 2014-09-03 Timothé Faivre , Dmitry Golubev , Jukka P. Pekola

Thermoelectric effects in normal metals and superconductors are usually very small due to the presence of electron-hole symmetry. Here, we show that superconducting junctions brought out of equilibrium manifest a sizable bipolar…

We demonstrate that the conversion gain of a superconducting hot-electron bolometer (HEB) mixer can be increased by biasing the device within the negative differential resistance (NDR) region of its current-voltage characteristic. Although…

Instrumentation and Detectors · Physics 2026-05-08 Chang Yoo , Akim A. Babenko , Boris S. Karasik

The significance of the superconducting diode effect lies in its potential application as a fundamental component in the development of next-generation superconducting circuit technology. The stringent operating conditions at low…

Mesoscale and Nanoscale Physics · Physics 2024-02-27 Yiwen Zhang , Jiliang Cai , Peng Dong , Jiadian He , Yifan Ding , Jinghui Wang , Xiang Zhou , Kecheng Cao , Yueshen Wu , Jun Li

Thermoelectric effects result from the coupling of charge and heat transport, and can be used for thermometry, cooling and harvesting of thermal energy. The microscopic origin of thermoelectric effects is a broken electron-hole symmetry,…

Superconductivity · Physics 2016-04-08 S. Kolenda , P. Machon , D. Beckmann , W. Belzig

Asymmetric superconducting tunnel junctions with gaps $\Delta_1>\Delta_2$ have been proven to show a peculiar nonlinear bipolar thermoelectric effect. This arises due to the spontaneous breaking of electron-hole symmetry in the system, and…

Mesoscale and Nanoscale Physics · Physics 2023-04-11 A. Hijano , F. S. Bergeret , F. Giazotto , A. Braggio

Semiconducting diode with nonreciprocal transport effect underlies the cornerstone of contemporary integrated circuits (ICs) technology. Due to isotropic superconducting properties and the lack of breaking of inversion symmetry for…

We report the occurrence of the zero-bias conductance peak (ZBCP) in an InAs nanowire coupled to PbIn superconductors with varying temperature, bias voltage, and magnetic field. The ZBCP is suppressed with increasing temperature and bias…

Mesoscale and Nanoscale Physics · Physics 2018-03-14 Nam-Hee Kim , Yun-Sok Shin , Hong-Seok Kim , Jin-Dong Song , Yong-Joo Doh

We design a superconducting thermoelectric bolometer made of a Graphene-Insulator-Superconductor tunnel junction. Our detector has the advantage of being passive, as it directly transduces input power to a voltage without the need to…

Mesoscale and Nanoscale Physics · Physics 2026-01-28 Leonardo Lucchesi , Federico Paolucci

In a previous work, we predicted that a thermally biased tunnel junction between two different superconductors can display a thermoelectric effect of nonlinear nature in the temperature gradient, under proper conditions. In this work we…

Mesoscale and Nanoscale Physics · Physics 2020-06-11 G. Marchegiani , A. Braggio , F. Giazotto

In the linear regime, thermo-electric effects between two conductors are possible only in the presence of an explicit breaking of the electron-hole symmetry. We consider a tunnel junction between two electrodes and show that this condition…

Mesoscale and Nanoscale Physics · Physics 2020-03-17 G. Marchegiani , A. Braggio , F. Giazotto

We investigate the thermal transport properties of a temperature-biased Josephson tunnel junction composed of two different superconductors. We show that this simple system can provide a large negative differential thermal conductance…

Mesoscale and Nanoscale Physics · Physics 2016-04-21 Antonio Fornieri , Giuliano Timossi , Riccardo Bosisio , Paolo Solinas , Francesco Giazotto

The diode effect is fundamental to electronic devices and is widely used in rectifiers and AC-DC converters. At low temperatures, however, conventional semiconductor diodes possess a high resistivity, which yields energy loss and heating…

‹ Prev 1 2 3 10 Next ›