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We report a carbon-fiber-tip based nanomanipulation system integrated into a scanning electron microscope for individual nanoparticle (NP) manipulation on a surface. Electrochemically etched amorphous carbon fiber tips with excellent…

Mesoscale and Nanoscale Physics · Physics 2026-05-29 Umesh Chandra Thuwal , Sumanta Maity , Clemens B. Winkelmann , Hervé Courtois , Anjan Kumar Gupta

Network structures by semiconductor nanowires hold great promise for advanced quantum devices, especially for applications in topological quantum computing. In this study, we created networks of PbTe nanowires arranged in loop…

We study nanodevices based on ultrathin superconducting nanowires connected in parallel to form nanowire SQUIDs. The function of the critical current versus magnetic field, $I_{C}(B)$, is multivalued, asymmetric and its maxima and minima…

Superconductivity · Physics 2017-09-20 Andrew Murphy , Alexey Bezryadin

2D copper sulfide nanocrystals are promising building blocks for plasmonic materials in the near-infrared (NIR) spectral region. We demonstrate precise shape and size control (hexagonal/triangle) of colloidal plasmonic copper sulfide…

Materials Science · Physics 2018-12-17 Rostyslav Lesyuk , Eugen Klein , Iryna Yaremchuk , Christian Klinke

On-chip scalable integration represents a major challenge for practical quantum devices. One particular challenge is to implement on-chip optical readout of spins in diamond. This readout requires simultaneous application of optical and…

Scanning superconducting quantum interference device microscopy (SSM) is a scanning probe technique that images local magnetic flux, which allows for mapping of magnetic fields with high field and spatial accuracy. Many studies involving…

Instrumentation and Detectors · Physics 2018-01-17 P. Reith , X. Renshaw Wang , H. Hilgenkamp

We report the fabrication and characterization of superconducting quantum interference devices (SQUIDs) made of Sb-doped Bi2Se3 topological insulator (TI) nanoribbon (NR) contacted with PbIn superconducting electrodes. When an external…

Mesoscale and Nanoscale Physics · Physics 2020-10-06 Nam-Hee Kim , Hong-Seok Kim , Yasen Hou , Dong Yu , Yong-Joo Doh

Despite the superiority in quantum properties, self-assembled semiconductor quantum dots face challenges in terms of scalable device integration because of their random growth positions, originating from the Stranski-Krastanov growth mode.…

Mesoscale and Nanoscale Physics · Physics 2023-11-28 C. -W. Shih , I. Limame , C. C. Palekar , A. Koulas-Simos , A. Kaganskiy , P. Klenovský , S. Reitzenstein

A novel on-chip extreme sub-wavelength "acoustic antenna" whose radiation efficiency is ~50 times larger than the theoretical limit for a resonantly driven antenna is demonstrated. The antenna is composed of magnetostrictive nanomagnets…

Applied Physics · Physics 2023-02-28 Md Ahsanul Abeed , Supriyo Bandyopadhyay

We have developed a novel dc SQUID system with a micro-coil input circuit to act as a local probe of quantum matter and nanosystems. The planar niobium micro-coil pickup loop is located remotely from the SQUID, coupled through a…

We present a measurement protocol for a flux qubit coupled to a dc-Superconducting QUantum Interference Device (SQUID), representative of any two-state system with a controllable coupling to an harmonic oscillator quadrature, which consists…

Mesoscale and Nanoscale Physics · Physics 2008-08-18 I. Serban , B. L. T. Plourde , F. K. Wilhelm

We have investigated asymmetrically shunted Nb/Al-AlO$_x$/Nb direct current (dc) superconducting quantum interference devices (SQUIDs). While keeping the total resistance $R$ identical to a comparable symmetric SQUID with $R^{-1} = R_1^{-1}…

Superconductivity · Physics 2015-06-05 M. Rudolph , J. Nagel , J. M. Meckbach , M. Kemmler , M. Siegel , K. Ilin , D. Koelle , R. Kleiner

We report the transport measurements on the InAs self-assembled quantum dots (SAQDs) which have a unique structural zero-dimensionality, coupled to a superconducting quantum interference device (SQUID). Owing to the SQUID geometry, we…

Mesoscale and Nanoscale Physics · Physics 2011-02-10 S. Kim , R. Ishiguro , M. Kamio , Y. Doda , E. Watanebe , K. Shibata , K. Hirakawa , H. Takayanagi

Modern Superconducting QUantum Interference Devices (SQUIDs) are commonly fabricated from either Al or Nb electrodes, with an in-situ oxidation process to create a weak link between them. However, common problems of such planar nano- and…

Superconductivity · Physics 2021-08-18 Liam S. Farrar , Aimee Nevill , Zhen Jieh Lim , Geetha Balakrishnan , Sara Dale , Simon J. Bending

This manuscript demonstrates the theory, design, and simulation of scattering scanning near field microscopy (s-SNOM) in 0.5THz. A comprehensive simulation model of nanotips' geometry, sample materials, and incident field is established to…

Optics · Physics 2023-07-04 Zeliang Zhang , Pengfei Qi , Olga Kosavera , Cheng Gong , Lie Lin , Weiwei Liu

Colloidal materials of tin(II) sulfide (SnS), as a layered semiconductor with a narrow band gap, are emerging as a potential alternative to the more toxic metal chalcogenides (PbS, PbSe, CdS, CdSe) for various applications such as…

Superconducting QUantum Interference Device (SQUID) metamaterials are superconducting artificial media whose function relies both on their geometry and the extraordinary properties of superconductivity and the Josephson effect. Recent…

Chaotic Dynamics · Physics 2016-11-03 J. Hizanidis , N. Lazarides , G. Neofotistos , G. P. Tsironis

We present a method for fabricating Josephson junctions and superconducting quantum interference devices (SQUIDs) which is based on the local anodization of niobium strip lines 3 to 6.5 nm-thick under the voltage-biased tip of an Atomic…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 V. Bouchiat , M. Faucher , C. Thirion , W. Wernsdorfer , T. Fournier , B. Pannetier

We report on a controlled method to fabricate in-situ a superconducting (SC) nanostructure at the apex of the standard W tip of a Scanning Tunnelling Microscope (STM) by pulsing the tunnelling voltage on a graphene covered metal surface. We…

We suggest using a device called the Bootstrap Superconducting Quantum Interference Device (BS-SQUID) to break the reciprocity in charge transport. This device uses magnetic flux back-action to create a nonreciprocal current-voltage…

Superconductivity · Physics 2024-07-10 Giorgio De Simoni , Francesco Giazotto
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