English
Related papers

Related papers: Superconductivity in a single C60 transistor

200 papers

Electronic transport through nanostructures is greatly affected by the presence of superconducting leads. If the interface between the nanostructure and the superconductors is sufficiently transparent, a dissipationless current…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Pablo Jarillo-Herrero , Jorden A. van Dam , Leo P. Kouwenhoven

Extensive efforts have been undertaken to combine superconductivity and the quantum Hall effect so that Cooper-pair transport between superconducting electrodes in Josephson junctions is mediated by one-dimensional edge states. This…

The Josephson effect is one of the most studied macroscopic quantum phenomena in condensed matter physics and has been an essential part of the quantum technologies development over the last decades. It is already used in many applications…

Scalability in the fabrication and operation of quantum computers is key to move beyond the NISQ era. So far, superconducting transmon qubits based on aluminum Josephson tunnel junctions have demonstrated the most advanced results, though…

Applied Physics · Physics 2022-09-08 Tom Doekle Vethaak

Phosphorene is a promising single elemental two-dimensional layered semiconductor with huge potential for future nanoelectronics and spintronics applications. In this work, we investigated the effect of an organic molecule (benzene) in the…

Mesoscale and Nanoscale Physics · Physics 2019-07-09 A. Chaudhury , S. Majumder , S. J. Ray

We report electronic transport on n-type silicon Single Electron Transistors (SETs) fabricated in Complementary Metal Oxide Semiconductor (CMOS) technology. The n-MOSSETs are built within a pre-industrial Fully Depleted Silicon On Insulator…

We have investigated electrical transport in a diffusive multiwalled carbon nanotube contacted using superconducting leads made of Al/Ti sandwich structure. We find proximity-induced superconductivity with measured critical currents up to…

Superconductivity · Physics 2015-06-25 T. Tsuneta , L. Lechner , P. J. Hakonen

Recent improvements in materials growth and fabrication techniques may finally allow for superconducting semiconductors to realize their potential. Here we build on a recent proposal to construct superconducting devices such as wires,…

Mesoscale and Nanoscale Physics · Physics 2015-04-13 Yun-Pil Shim , Charles Tahan

Carbon-based molecular semiconductors are explored for application in spintronics because their small spin-orbit coupling promises long spin life times. We calculate the electronic transport from first principles through spin valves…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 Deniz Çakır , Diana M. Otálvaro , Geert Brocks

The conductance of C60 on Cu(100) is investigated with a low-temperature scanning tunneling microscope. At the transition from tunneling to the contact regime the conductance of C60 adsorbed with a pentagon-hexagon bond rises rapidly to…

Materials Science · Physics 2011-12-12 N. Neel , J. Kroger , L. Limot , T. Frederiksen , M. Brandbyge , R. Berndt

The electron-conduction properties of fullerene chains are examined by first-principles calculations based on the density functional theory. The conductivity of the C$_{60}$ dimer is low owing to the constraint of the junction of the…

Materials Science · Physics 2015-06-25 Tomoya Ono , Kikuji Hirose

Hybrid superconductor-semiconductor materials are fueling research in mesoscopic physics and quantum technology. Recently demonstrated smooth $\beta$-Sn superconductor shells, due to the increased induced gap, are expanding the available…

Superconductivity · Physics 2025-02-04 B. Zhang , Z. Li , H. Wu , M. Pendharkar , C. Dempsey , J. S. Lee , S. D. Harrington , C. J. Palmstrom , S. M. Frolov

C60 fullerene has been studied extensively, as it is considered to be a good candidate for building single-molecule junctions. Here, we theoretically demonstrate that the conductance of single-molecule junctions based on a newly discovered…

Mesoscale and Nanoscale Physics · Physics 2015-11-19 Chengbo Zhu , Xiaolin Wang

The trivalent alkali fullerides A$_3$C$_{60}$, where C$_{60}$ are a well established family of molecular superconductors. The electron pairing has s-wave symmetry and is due to standard electron-phonon coupling, in particular by Jahn-Teller…

Superconductivity · Physics 2009-06-24 M. Capone , M. Fabrizio , C. Castellani , E. Tosatti

Superconductivity in the new polymerized C60 fullerite clathrate doped with simple metals was investigated through density functional theory methods. The phonon dispersion curves were systematically computed for the clathrate structures…

We study a two-terminal graphene Josephson junction with contacts shaped to form a narrow constriction, less than 100nm in length. The contacts are made from type II superconducting contacts and able to withstand magnetic fields high enough…

Mesoscale and Nanoscale Physics · Physics 2019-09-18 M. T. Wei , A. W. Draelos , A. Seredinski , C. T. Ke , H. Li , Y. Mehta , K. Watanabe , T. Taniguchi , M. Yamamoto , S. Tarucha , G. Finkelstein , F. Amet , I. V. Borzenets

The superconducting parameters are the key for building or identifying the theory responsible for the mechanism of superconductivity. Such parameters for fulleride superconductors have not been well established despite the tremendous…

Superconductivity · Physics 2022-08-09 Ren-Shu Wang , Di Peng , Li-Na Zong , Zeng-Wei Zhu , Xiao-Jia Chen

Single-walled carbon nanotubes (SWCNTs) in their pristine form have high thermal conductivity whose further improvement has attracted a lot of interest. Some theoretical studies have suggested that the thermal conductivity of a $(10,10)$…

Materials Science · Physics 2020-02-11 Haikuan Dong , Zheyong Fan , Ping Qian , Tapio Ala-Nissila , Yanjing Su

We demonstrate superconducting vertical interconnect access (VIA) contacts to a monolayer of molybdenum disulfide (MoS$_2$), a layered semiconductor with highly relevant electronic and optical properties. As a contact material we use MoRe,…

Mesoscale and Nanoscale Physics · Physics 2021-08-04 M. Ramezani , I. Correa Sampaio , K. Watanabe , T. Taniguchi , C. Schönenberger , A. Baumgartner

We fabricated reproducible high transparency superconducting contacts consisting of superconducting Ti/Al/Ti trilayers to gated single-walled carbon nanotubes (SWCNTs). The reported semiconducting SWCNT have normal state differential…

Superconductivity · Physics 2007-05-23 H. I. Jørgensen , K. Grove-Rasmussen , T. Novotný , K. Flensberg , P. E. Lindelof
‹ Prev 1 2 3 10 Next ›