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Controlling the magnetic ground states at the nanoscale is a long-standing basic research problem and an important issue in magnetic storage technologies. Here, we designed a nanostructured material that exhibits very unusual hysteresis…

The quest to create superconductors with higher transition temperatures is as old as superconductivity itself. One strategy, popular after the realization that (conventional) superconductivity is mediated by phonons, is to chemically…

Superconductivity · Physics 2017-08-11 Milan P. Allan , Mark H. Fischer , Oliver Ostojic , Arjo Andringa

This work examines the influence of thickness on the electrical transport properties of mechanically exfoliated two-dimensional SnSe$_2$ nanosheets, derived from the bulk single crystal. Contrary to conventional trend observed in…

Mesoscale and Nanoscale Physics · Physics 2025-09-15 Aarti Lakhara , Lars Thole , Rolf J. Haug , P. A. Bhobe

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

A serious obstacle that impedes the application of low and high temperature superconductor (SC) devices is the presence of trapped flux. Flux lines or vortices are induced by fields as small as the Earth's magnetic field. Once present,…

Superconductivity · Physics 2009-10-31 Choongseop Lee , Boldizsar Janko , Imre Derenyi , Albert-Laszlo Barabasi

Strongly-interacting nanomagnetic systems are pivotal across next-generation technologies including reconfigurable magnonics and neuromorphic computation. Controlling magnetisation state and local coupling between neighbouring nanoelements…

Mesoscale and Nanoscale Physics · Physics 2021-01-21 K. D. Stenning , J. C. Gartside , T. Dion , A. Vanstone , D. M. Arroo , W. R. Branford

We identify a scalable, practical route to fabricating a superconducting diode. The device relies for its function on the barrier to flux vortex entry being reduced at the substrate interface of a superconducting pinning enhanced…

Superconductivity · Physics 2009-09-15 S. A. Harrington , J. L. MacManus-Driscoll , J. H. Durrell

The dynamics of quantized magnetic vortices and their pinning by materials defects determine electromagnetic properties of superconductors, particularly their ability to carry non-dissipative currents. Despite recent advances in the…

We describe an alternating current method to measure the Nernst effect in superconducting thin films at low temperatures. The Nernst effect is an important tool in the understanding superconducting fluctuations and, in particular, vortex…

Superconductivity · Physics 2020-10-28 Yuxiao Wu , Aviad Frydman , Arnab Roy

The set of the nonlinear Ginzburg-Landau equations is solved for an Al mesoscopic superconducting triangle of finite thickness. We calculate the distributions of the superconducting phase in the triangle and of the magnetic field in and…

Superconductivity · Physics 2009-11-07 V. R. Misko , V. M. Fomin , J. T. Devreese , V. V. Moshchalkov

Electromechanics is the field of studying the interaction between microwave resonators and mechanical oscillators. It has been an interesting topic in the recent decade due to its numerous potential applications in science and technology,…

Quantum Physics · Physics 2023-10-16 Armin Tabesh

An experiment is proposed to stimulate a superconducting thin film with terahertz (THz) acoustic waves, which is a regime not previously tested. For a thin film on a piezoelectric substrate, this can be achieved by coupling the substrate to…

General Physics · Physics 2018-07-04 Alan M. Kadin , Steven B. Kaplan

Vortices trapped in thin-film superconducting microwave resonators can have a significant influence on the resonator performance. Using a variable-linewidth geometry for a weakly coupled resonator we are able to observe the effects of a…

Superconductivity · Physics 2014-11-05 I. Nsanzineza , B. L. T. Plourde

A localized and strong RF magnetic field, created by a magnetic write head, is used to examine the linear electrodynamic properties of a Nb superconducting film. The complex reflection coefficient of the write head held in close proximity…

Superconductivity · Physics 2014-06-06 Tamin Tai , B. G. Ghamsari , Steven M. Anlage

Reconfigurable memristors featuring neural and synaptic functions hold great potential for neuromorphic circuits by simplifying system architecture, cutting power consumption, and boosting computational efficiency. Their additive…

Recently we have found that a three-dimensional superconducting state with anisotropic vortices localized at the vortex-lattice points is a stable state in zero external magnetic field for the layered high temperature uperconductivity…

Superconductivity · Physics 2021-08-17 Ondrej Hudak , Matej Hudak

Magnetic vortices existing in soft magnetic nanoparticles with sizes larger than the single-domain diameter can be efficient nano-heaters in biomedical applications. Using micromagnetic numerical simulation we prove that in the optimal…

Mesoscale and Nanoscale Physics · Physics 2017-09-04 N. A. Usov , M. S. Nesmeyanov , V. P. Tarasov

Within the Ginzburg-Landau formalism, we predict two novel mechanisms of vortex-antivortex nucleation in a magnetically nanostructured superconductor. Although counterintuitive, nucleation of vortex-antivortex pairs can be activated in a…

Superconductivity · Physics 2009-11-11 M. V. Milosevic , F. M. Peeters

Recent theoretical work highlighted unique properties of superconducting altermagnets, including the wealth of topologically non-trivial phases as well as their potential uses in spintronic applications. Given that no intrinsically…

Superconductivity · Physics 2025-09-05 Niclas Heinsdorf , Marcel Franz

Molecule-based devices are envisioned to complement silicon devices by providing new functions or already existing functions at a simpler process level and at a lower cost by virtue of their self-organization capabilities. Moreover, they…

Mesoscale and Nanoscale Physics · Physics 2010-02-04 F. Alibart , S. Pleutin , D. Guerin , C. Novembre , S. Lenfant , K. Lmimouni , C. Gamrat , D. Vuillaume