English
Related papers

Related papers: Shielding superconductors with thin films

200 papers

High precision calorimetry using superconducting transition edge sensors requires the use of superconducting films with a suitable $T_c$, depending on the application. To advance high-precision macrocalorimetry, we require low-$T_c$ films…

Thickness uniformity is regarded as an important parameter in designing thin film devices. However, some applications based on films with non-uniform thickness have recently emerged, such as gas sensors and optimized materials based on the…

We study theoretically orbital effects of a parallel magnetic field applied to a disordered superconducting film. We find that the field reduces the phase stiffness and leads to strong quantum phase fluctuations driving the system into an…

Superconductivity · Physics 2013-07-31 Dganit Meidan , Yuval Oreg

First experimental observations of the ferromagnetic shielding effect in high-Tc superconducting coated conductors were carried out. Experimental results were compared to simulations calling upon finite-element calculations based on the…

In superconductors the zero-resistance current-flow is protected from dissipation at finite temperatures (T) by virtue of the short-circuit condition maintained by the electrons that remain in the condensed state. The recently suggested…

Superconductivity · Physics 2016-02-09 M. Ovadia , D. Kalok , I. Tamir , S. Mitra , B. Sacepe , D. Shahar

We use sub-Kelvin scanning tunneling spectroscopy to investigate the suppression of superconductivity in homogeneously disordered ultrathin MoC films. We observe that the superconducting state remains spatially homogeneous even on the films…

Superconductivity · Physics 2016-01-22 P. Szabó , T. Samuely , V. Hašková , J. Kačmarčík , M. Žemlička , M. Grajcar , J. G. Rodrigo , P. Samuely

Amorphous thin film superconductors are promising alternatives for the development of superconducting radiation detectors, especially superconducting nanowire single photon detectors (SNSPDs) and superconducting microwire single photon…

Superconductivity · Physics 2025-10-08 Shekhar Chandra Pandey Shilpam Sharma , M. K. Chattopadhyay

A low-energy medium-luminosity Muon Collider (MC) is being studied as a possible Higgs Factory (HF). Electrons from muon decays will deposit more than 300 kW in superconducting magnets of the HF collider ring. This imposes significant…

We review the use of hybrid thin films composed of superconductors and ferromagnets for creating non-reciprocal electronic components and self-biased detectors of electromagnetic radiation. We begin by introducing the theory behind these…

In this letter, we study the near-field radiative heat transfer between two metamaterial substrates coated with silicon carbide (SiC) thin films. It is known that metamaterials can enhance the near-field heat transfer over ordinary…

Optics · Physics 2015-06-23 Soumyadipta Basu , Yue Yang , Liping Wang

We have studied the thickness-induced superconductor-to-insulator transition in the presence of a magnetic field for a-NbSi thin films. Analyzing the critical behavior of this system within the "dirty boson model", we have found a critical…

Superconductivity · Physics 2009-11-13 C. A. Marrache-Kikuchi , H. Aubin , A. Pourret , K. Behnia , J. Lesueur , L. Berge , L. Dumoulin

By using multi-bands BCS theory, we have calculated the superconductivity energy gap and the critical temperature of a thin-film metallic superconductor. The thermodynamic superconducting characteristics such as critical magnetic field,…

Superconductivity · Physics 2007-05-23 Bin Chen , Zhenyue Zhu , X. C. Xie

We have performed a comparative study of two thin films of magnesium diboride (MgB2) grown by different techniques. The critical current density at different temperatures and magnetic fields was evaluated from magnetisation curves, the…

Au and Ag are known to be metallic and none of them have shown independently superconductivity. Here we show superconductivity in Ag implanted Au thin films. Ag implanted Au films of different thicknesses have been studied using four probe…

It is common knowledge that noble metals are excellent conductors but do not exhibit superconductivity. On the other hand, quantum confinement in thin films has been consistently shown to induce a significant enhancement of the…

Superconductivity · Physics 2025-02-21 Giovanni A. Ummarino , Alessio Zaccone

Employing amorphous superconductors, such as Type-II molybdenum silicide (MoSi), instead of crystalline materials significantly simplifies the material deposition and scalable nanoscale prototyping, beneficial for quantum electronic and…

We have grown Au/Ag modulated nanostructured thin films by pulsed laser deposition using metallic targets. The growths performed at room temperature involved deposition of alternate layers of the two metals with larger thickness of Au and…

Materials Science · Physics 2018-09-03 Abhijit Biswas , Swati Parmar , Anupam Jana , Ram Janay Chaudhary , Satishchandra Ogale

The experimental realization of cloaks for electromagnetic fields has been possible only in reduced schemes because of extreme material conditions required in exact cloaks. Here we analytically demonstrate that a simple arrangement of two…

Superconductivity · Physics 2011-12-14 Carles Navau , Jordi Prat-Camps , Alvaro Sanchez

Many recent studies show that superconductivity not only exists in atomically thin monolayers but can exhibit enhanced properties such as higher transition temperature and stronger critical field. Nevertheless, besides being air unstable,…

Superconductivity · Physics 2018-05-09 J. M. Lu , O. Zheliuk , Q. H. Chen , I. Leermakers , N. E. Hussey , U. Zeitler , J. T. Ye

We have observed multiple magnetic field driven superconductor to insulator transitions (SIT) in amorphous Bi films perforated with a nano-honeycomb (NHC) array of holes. The period of the magneto-resistance, H=H_M=h/2eS where S is the area…

Superconductivity · Physics 2007-12-10 M. D. Stewart , Aijun Yin , J. M. Xu , J. M. Valles