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Electronic transport through a single-wall metallic carbon nanotube weakly coupled to one ferromagnetic and one nonmagnetic lead is analyzed in the sequential tunneling limit. It is shown that both the spin and charge currents flowing…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 I. Weymann , J. Barnas

Superconducting diodes enable dissipationless directional transport, yet achieving electrical tunability and scalability remains a major challenge for circuit-level integration. Here, we demonstrate an electrothermal-switch superconducting…

Supercurrent diodes are nonreciprocal electronic elements whose switching current depends on their flow direction. Recently, a variety of composite systems combining different materials and engineered asymmetric superconducting devices have…

Controlling the dynamics of DNA translocation is a central issue in the emerging nanopore-based DNA sequencing. To address the potential of heteroatom doping of carbon nanostructures to achieve this goal, herein we carry out atomistic…

Mesoscale and Nanoscale Physics · Physics 2018-08-13 Sang Won Jung , Han Seul Kim , Art E. Cho , Yong-Hoon Kim

For the successful implementation of organic electrochemical transistors in neuromorphic computing, bioelectronics, and real-time sensing applications it is essential to understand the factors that influence device switching times. Here we…

Applied Physics · Physics 2024-10-10 Juan Bisquert , Nir Tessler

Nanofluidic ionic transistors typically require gate voltages above 1 V and operate only at sub millimolar ionic strengths, limiting their biocompatible applications. We demonstrate ionic transistors consisting of single sub 10 nm nanopores…

Doping is of great importance to tailor the electrical properties of semiconductors. However, the present doping methodologies for organic semiconductors (OSCs) are either inefficient or can only apply to a small number of OSCs, seriously…

We report a globally reversible effect of electronic tuning on the magnetic phase diagram in CeCoIn_{5} driven by electron (Pt and Sn) and hole (Cd, Hg) doping. Consequently, we are able to extract the superconducting pair breaking…

Superconductivity · Physics 2012-11-01 K. Gofryk , F. Ronning , J. -X. Zhu , M. N. Ou , P. H. Tobash , S. S. Stoyko , X. Lu , A. Mar , T. Park , E. D. Bauer , J. D. Thompson , Z. Fisk

Nanopores in solid state membranes are a tool able to probe nanofluidic phenomena or can act as a single molecular sensor. They also have diverse applications in filtration, desalination or osmotic power generation. Many of these…

Soft Condensed Matter · Physics 2020-12-02 Sebastian J. Davis , Michal Macha , Andrey Chernev , David M. Huang , Aleksandra Radenovic , Sanjin Marion

Research on current-induced domain wall (DW) motion in heavy metal/ferromagnet structures is crucial for advancing memory, logic, and computing devices. Here, we demonstrate that adjusting the angle between the DW conduit and the current…

Mesoscale and Nanoscale Physics · Physics 2025-03-21 Elena M. Stetco , Traian Petrisor , Ovidiu A. Pop , Mohamed Belmeguenai , Ioan M. Miron , Mihai S. Gabor

A vertical spin metal-oxide-semiconductor field-effect transistor (spin MOSFET) is a promising low-power device for the post scaling era. Here, using a ferromagnetic-semiconductor GaMnAs-based vertical spin MOSFET with a GaAs channel layer,…

Applied Physics · Physics 2018-01-08 Toshiki Kanaki , Hiroki Yamasaki , Tomohiro Koyama , Daichi Chiba , Shinobu Ohya , Masaaki Tanaka

We investigate electron shuttling in three-terminal nanoelectromechanocal device built on a movable metallic rod oscillating between two drains. The device shows a double-well shaped electromechanical potential tunable by a source-drain…

Mesoscale and Nanoscale Physics · Physics 2015-09-23 Taegeun Song , Leonid Y. Gorelik , Robert I. Shekhter , Mikhail N. Kiselev , Konstantin Kikoin

Electron Holographic Tomography was used to obtain 3-dimensional reconstructions of the morphology and electrostatic potential gradient of axial GaInP/InP nanowire tunnel diodes. Crystal growth was carried out in two opposite directions:…

The recent demonstration of resonant tunneling transport in nitride semiconductors has led to an invigorated effort to harness this quantum transport regime for practical applications. In polar semiconductors, however, the interplay between…

Applied Physics · Physics 2023-03-16 Jimy Encomendero , Vladimir Protasenko , Farhan Rana , Debdeep Jena , Huili Grace Xing

We have investigated ion current rectification properties of a recently prepared bipolar nanofluidic diode. This device is based on a single conically shaped nanopore in a polymer film whose pore walls contain a sharp boundary between…

Other Condensed Matter · Physics 2009-11-13 D. Constantin , Z. S. Siwy

Deterministic placement of single dopants is essential for scalable quantum devices based on group-V donors in silicon. We demonstrate a non-destructive, high-efficiency method for detecting individual ion implantation events using…

Ion transport in biological and synthetic nanochannels is characterized by phenomena such as ion current fluctuations and rectification. Recently, it has been demonstrated that nanofabricated synthetic pores can mimic transport properties…

Classical Physics · Physics 2009-11-13 I. D. Kosińska , I. Goychuk , M. Kostur , G. Schmid , P. Hänggi

With the best overall electronic and thermal properties, single crystal diamond (SCD) is the extreme wide bandgap material that is expected to revolutionize power electronics and radio-frequency electronics in the future. However, turning…

In this manuscript, we present a field effect transistor with a channel consisting of a two-dimensional electron gas located at the interface between an ultrathin metallic film of Ni and a p-type Si(111) substrate. We have demonstrated that…

Mesoscale and Nanoscale Physics · Physics 2015-06-04 M. Dragoman , G. Konstantinidis , K. Tsagaraki , T. Kostopoulos , D. Dragoman , D. Neculoiu

Droplet solitons are coherently precessing solitary waves that have been recently realized in thin ferromagnets with perpendicular anisotropy.In the strongly nonlinear regime, droplets can be well approximated by a slowly precessing,…

Pattern Formation and Solitons · Physics 2013-11-12 Lake Bookman , Mark Hoefer