English
Related papers

Related papers: Sn-InAs nanowire shadow-defined Josephson junction…

200 papers

Bottom up nanowires are attractive for realizing semiconductor devices with extreme heterostructures because strain relaxation through the nanowire sidewalls allows the combination of highly lattice mismatched materials without creating…

The Janus structure, by combining properties of different transition metal dichalcogenide (TMD) monolayers in a single polar material, has attracted increasing research interest because of their particular structure and potential…

Materials Science · Physics 2020-01-08 San-Dong Guo , Xiao-Shu Guo

We report transport measurements and tunneling spectroscopy in hybrid nanowires with epitaxial layers of superconducting Al and the ferromagnetic insulator EuS, grown on semiconducting InAs nanowires. In devices where the Al and EuS covered…

Mesoscale and Nanoscale Physics · Physics 2025-01-08 S. Vaitiekėnas , Y. Liu , P. Krogstrup , C. M. Marcus

2D-layered tin (II) oxide (SnO) has recently emerged as a promising bipolar channel material for thin-film transistors and complementary metal-oxide-semiconductor devices. In this work, we present a first-principles investigation of the…

Materials Science · Physics 2022-02-02 Devesh R. Kripalani , Ping-Ping Sun , Pamela Lin , Ming Xue , Kun Zhou

Transport is called nonreciprocal when not only the sign, but also the absolute value of the current, depends on the polarity of the applied voltage. It requires simultaneously broken inversion and time-reversal symmetries, e.g., by the…

Made of a thin non-superconducting metal (N) sandwiched by two superconductors (S), SNS Josephson junctions enable novel quantum functionalities by mixing up the intrinsic electronic properties of N with the superconducting correlations…

We study the electronic structure of full-shell superconductor-semiconductor nanowires, which have recently been proposed for creating Majorana zero modes, using an eight-band $\vec{k} \cdot \vec{p}$ model within a fully self-consistent…

Mesoscale and Nanoscale Physics · Physics 2019-05-01 Benjamin D. Woods , Sankar Das Sarma , Tudor D. Stanescu

We investigate heat conduction and energy relaxation in an InAs semiconductor nanowire using a hybrid semiconductor-superconductor architecture. Local electronic temperatures are measured with an in-situ grown quantum dot thermometer, while…

Mesoscale and Nanoscale Physics · Physics 2026-04-01 Subhomoy Haldar , Diego Subero , Mukesh Kumar , Bayan Karimi , Adam Burke , Lars Samuelson , Jukka Pekola , Ville F. Maisi

We report the realization of multilayer three-dimensional nanobridge Josephson junctions based on Nb/NbN and Nb/TiN superconducting stacks fabricated using electron-beam lithography and chlorine-based dry etching. In this architecture, a…

We introduce selective area grown hybrid InAs/Al nanowires based on molecular beam epitaxy, allowing arbitrary semiconductor-superconductor networks containing loops and branches. Transport reveals a hard induced gap and unpoisoned…

InAs nanowires have been actively explored as the channel material for high performance transistors owing to their high electron mobility and ease of ohmic metal contact formation. The catalytic growth of non-epitaxial InAs nanowires,…

Van der Waals (vdW) Josephson junctions can possibly accelerate the development of advanced superconducting device that utilizes the unique properties of two-dimensional (2D) transition metal dichalcogenide (TMD) superconductors such as…

Superconductivity · Physics 2022-11-17 Chuanwen Zhao , Xin Yi , Qiao Chen , Chengyu Yan , Shun Wang

Superconductors with non-trivial band topology are emerging as one of the best avenues to study quantum anomalies and experimental realization of Majorana Fermions. This article reports the successful crystal growth of superconducting SnAs,…

Superconductivity · Physics 2021-10-27 M. M. Sharma , N. K. Karn , Prince Sharma , Ganesh Gurjar , S. Patnaik , V. P. S. Awana

By introducing a realistic model of nanogranular superconductors (NGS) based on 2D arrays of Josephson nanocontacts (created by a network of twin-boundary dislocations with strain fields acting as insulating barriers between hole-rich…

Superconductivity · Physics 2009-03-27 Sergei Sergeenkov

The continuous development of superconducting electronics is encouraging several studies on hybrid Josephson junctions (JJs) based on superconductor/ferromagnet/superconductor (SFS) heterostructures, as either spintronic devices or…

Superconductivity · Physics 2020-01-20 H. G. Ahmad , R. Caruso , A. Pal , G. Rotoli , G. P. Pepe , M. G. Blamire , F. Tafuri , D. Massarotti

We investigate the optoelectronic properties of single indium arsenide nanowires, which are grown vertically on p-doped silicon substrates. We apply a scanning photocurrent microscopy to study the optoelectronic properties of the single…

At vertical edges, thin films of silicon oxide (SiO_{2-x}) contain semiconductive c-Si layered nanocrystals (Si NC) embedded in and supported by an insulating g-SiO2 matrix. Tour et al. have shown that a trenched thin film geometry enables…

Materials Science · Physics 2015-05-20 J. C. Phillips

Nano-scale superconducting quantum interference devices (nano-SQUIDS) where the weak-links are made from nano-bridges --- i.e., nano-bridge--SQUIDs (NBSs) --- are one of the most sensitive magnetometers for nano-scale magnetometry. Because…

Superconductivity · Physics 2019-04-10 Dibyendu Hazra

In this study, InSb nanowires have been formed by electrodeposition and integrated into NW-FETs. NWs were formed in porous anodic alumina (PAA) templates, with the PAA pore diameter of approximately 100 nm defining the NW diameter.…

Mesoscale and Nanoscale Physics · Physics 2015-05-28 Suprem R. Das , Collin J. Delker , Dmitri Zakharov , Yong P. Chen , Timothy D. Sands , David B. Janes

A novel high-fan-in differential superconductor neuron structure designed for ultra-high-performance Spiking Neural Network (SNN) accelerators is presented. Utilizing a high-fan-in neuron structure allows us to design SNN accelerators with…

‹ Prev 1 8 9 10 Next ›