中文
相关论文

相关论文: Defect and Temperature Dependence of Tunneling in …

200 篇论文

Superconductivity has been observed for the 2D electron gas (2DEG) at the interface of KTaO3 with other oxides, with a transition temperature about an order of magnitude higher than its 3d cousin SrTiO3. The superconducting transition…

超导电性 · 物理学 2026-01-19 M. R. Norman

We report the pressure dependence of the superconducting transition temperature, $T_c$, in TlNi$_2$Se$_{2-x}$S$_x$ detected via the AC susceptibility method. The pressure-temperature phase diagram constructed for TlNi$_{2}$Se$_{2}$,…

The ferroelectric (FE) control of electronic transport is one of the emerging technologies in oxide heterostructures. Many previous studies in FE tunnel junctions (FTJs) exploited solely the differences in the electrostatic potential across…

Clockwise to anti-clockwise hysteresis crossover in current-voltage transfer characteristics of field effect transistors (FETs) with graphene and MoS$_2$ channels holds significant promise for non-volatile memory applications. However such…

应用物理 · 物理学 2020-05-15 Himani Jawa , Abin Varghese , Saurabh Lodha

We theoretically study the behavior of the critical current of a thermally-biased tunnel Josephson junction with a particular design, in which the electrodes of the junction are enclosed in two different superconducting loops pierced by…

超导电性 · 物理学 2022-07-20 Claudio Guarcello , Roberta Citro , Francesco Giazotto , Alessandro Braggio

The interplay of charge, spin and heat transport is investigated in the fascinating research field of spin caloritronics, the marriage of spintronics and thermoelectrics. Here, many new spin-dependent thermal transport phenomena in magnetic…

High-$T_{\rm C}$ superconductors show anomalous transport properties in their normal states, such as the bad-metal and pseudogap behaviors. To discuss their origins, it is important to speculate whether these behaviors are…

Perpendicular magnetic tunnel junctions with GdOX tunneling barriers have shown a unique voltage controllable interlayer magnetic coupling effect. Here we investigate the quality of the GdOX barrier and the coupling mechanism in these…

材料科学 · 物理学 2018-03-14 T. Newhouse-Illige , Y. H. Xu , Y. H. Liu , S. Huang , H. Kato , C. Bi , M. Xu , B. J. LeRoy , W. G. Wang

Quantum systems as used for quantum computation or quantum sensing are nowadays often realized in solid state devices as e.g. complex Josephson circuits or coupled quantum-dot systems. Condensed matter as an environment influences heavily…

介观与纳米尺度物理 · 物理学 2022-11-22 Olfa Dani , Robert Hussein , Johannes C. Bayer , Sigmund Kohler , Rolf J. Haug

In this paper we analyze different contributions to the magnetoresistance of magnetic tunneling junctions at low voltages. A substantial fraction of the resistance drop with voltage can be ascribed to variations of the density of states and…

介观与纳米尺度物理 · 物理学 2009-11-10 C. A. Dartora , G. G. Cabrera

We propose the two-band s-d model to describe theoretically a diffuse regime of the spin-dependent electron transport in magnetic tunnel junctions (MTJ's) of the form F/O/F where F's are 3d transition metal ferromagnetic layers and O is the…

材料科学 · 物理学 2009-11-07 D. Bagrets , A. Bagrets , A. Vedyayev , B. Dieny

A one-dimensional semiconductor nanowire proximitized by a nearby superconductor may become a topological superconductor hosting localized Majorana zero modes at the two wire ends in the presence of spin-orbit coupling and Zeeman spin…

介观与纳米尺度物理 · 物理学 2017-11-23 F. Setiawan , Chun-Xiao Liu , Jay D. Sau , S. Das Sarma

In the present work, we have investigated the performances of p plus minus Al0.3Ga0.7Sb Pocket Implanted L shaped GaSb InAs staggered bandgap SG heterojunction vertical n channel tunnel field effect transistors TFETs of 4 nm thin channel…

材料科学 · 物理学 2014-08-19 Bhupesh Bishnoi , Bahniman Ghosh

Temperature dependences of thermoelectric power S(T) at $T>T_c$ of the Hg-based high temperature superconductors Hg$_{1-x}$R$_x$Ba$_2$Ca$_2$Cu$_3$O$_{8+\delta}$ (R=Re, Pb) have been analyzed with accounting for strong scattering of charge…

超导电性 · 物理学 2011-07-01 O. Babych , I. Gabriel , R. Lutsiv , M. Matviyiv , M. Vasyuk

Non-equilibrium quasiparticles are possible sources for decoherence in superconducting qubits because they can lead to energy decay or dephasing upon tunneling across Josephson junctions (JJs). Here, we investigate the impact of the…

The effect of electrostatic gating on metallic elemental superconductors was recently demonstrated in terms of modulation of the switching current and control of the current phase relation in superconducting quantum interferometers. The…

超导电性 · 物理学 2021-10-28 Claudio Puglia , Giorgio De Simoni , Francesco Giazotto

Thermal conductivity of homogeneous twisted stacks of graphite is found to strongly depend on the misfit angle. The underlying mechanism relies on the angle dependence of phonon-phonon couplings across the twisted interface. Excellent…

介观与纳米尺度物理 · 物理学 2020-10-19 Wengen Ouyang , Huasong Qin , Michael Urbakh , Oded Hod

We investigate transport through ionic liquid gated field effect transistors (FETs) based on exfoliated crystals of semiconducting WS$_2$. Upon electron accumulation, at surface densities close to -or just larger than- 10$^{14}$ cm$^{-2}$,…

介观与纳米尺度物理 · 物理学 2015-01-27 Sanghyun Jo , Davide Costanzo , Helmuth Berger , Alberto F. Morpurgo

Band-to-band tunnelling field-effect transistors (TFETs) have long been considered as promising candidates for future low-power logic applications. However, fabricated TFETs rarely reach sub-60 mV/dec sub-threshold swings (SS) at room…

介观与纳米尺度物理 · 物理学 2024-11-01 Chen Hao Xia , Leonard Deuschle , Jiang Cao , Alexander Maeder , Mathieu Luisier

Thermoelectrical properties are frequently used to characterize the materials and endow the free energy from wasted heat for useful purposes. Here, we show that linear thermoelectric effects in tunnel junctions with Fe-based…

超导电性 · 物理学 2023-10-02 Claudio Guarcello , Alessandro Braggio , Francesco Giazotto , Roberta Citro