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Related papers: Shielding superconductors with thin films

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Superconducting heterostructures with spin-active materials have emerged as promising platforms for engineering topological superconductors featuring Majorana bound states at surfaces, edges and vortices. Here we present a method for…

Superconductivity · Physics 2012-08-09 Jens Michelsen , Roland Grein

Porous silicon, obtained by electrochemical etching, has been used as a substrate for the growth of nanoperforated Nb thin films. The films, deposited by UHV magnetron sputtering on the porous Si substrates, inherited their structure made…

Transition edge sensor (TES) microcalorimeters and bolometers are used for a variety of applications. The sensors are based on the steep temperature-dependent resistance of the normal-to-superconducting transition, and are thus…

Thin film devices have the advantage of being extremely compact, operate in a continuous mode, dissipate little power, and can easily be integrated in cryogenic detectors. Motivated by such possibilities, we investigate the phonon deficit…

Superconductivity · Physics 2009-11-07 G. G. Melkonyan , H. Kroger , A. M. Gulian

We present observations of the insulator-superconductor transition in ultrathin films of Bi on solid xenon condensed on quartz and on Ge on quartz. The relative permeability $\epsilon_{r}$ ranges from 1.5 for Xe to 15 for Ge. Though we find…

Superconductivity · Physics 2009-11-07 K. Das Gupta , Swati S. Soman , G. Sambandamurthy , N. Chandrasekhar

In the present work we study an anisotropic layered superconducting film of finite thickness. The film surfaces are considered parallel to the $bc$ face of the crystal. The vortex lines are oriented perpendicular to the film surfaces and…

Superconductivity · Physics 2009-10-31 Edson Sardella

We report on imaging magnetic flux distributions in a multilayered superconductor integrated circuit which emerge during magnetization and after field cooling of the circuit in the DC magnetic field. The obtained complicated field maps…

Phase slips creation in the thin film in perpendicular magnetic filed with edge superconductivity is studied. These centers are due to thermal activation of the order parameter below superconducting temperature transition leading to the…

Superconductivity · Physics 2007-06-22 A. A. Zyuzin , A. Yu. Zyuzin

We present very low temperature Scanning Tunneling Microscopy and Spectroscopy (STM/S) measurements of a W based amorphous thin film grown with focused-ion-beam. In particular, we address the superconducting properties close to the border,…

Interface enhanced superconductivity at two dimensional limit has become one of most intriguing research directions in condensed matter physics. Here, we report the superconducting properties of ultra-thin FeSe films with the thickness of…

Superconductivity · Physics 2014-08-14 Yi Sun , Wenhao Zhang , Ying Xing , Fangsen Li , Yanfei Zhao , Zhengcai Xia , Lili Wang , Xucun Ma , Qi-Kun Xue , Jian Wang

We obtain the vortex configurations, the matching fields and the magnetization of a superconducting film with a finite cross section. The applied magnetic field is normal to this cross section, and we use London theory to calculate many of…

Superconductivity · Physics 2009-10-31 Edson Sardella , M. M. Doria , P. R. S. Netto

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…

Accelerator Physics · Physics 2018-11-14 N. V. Mokhov , V. V. Kashikhin , S. I. Striganov , I. S. Tropin , A. V. Zlobin

High-temperature superconducting microbridges implemented with YBa(2)Cu(3)O(7-delta) thin-films are shown to be possible fault current limiters for microelectronic devices with some elements working at temperatures below the superconducting…

Superconductivity · Physics 2009-01-16 J. A. Lorenzo Fernandez , M. R. Osorio , J. A. Veira , F. Vidal

We report observations of unusual normal-state electronic conduction properties and superconducting characteristics of high-quality CoSi$_2$/Si films grown on silicon Si(100) and Si(111) substrates. A good understanding of these features…

The effect of an electric field on the conductance of ultrathin films of metals deposited on substrates coated with a thin layer of amorphous Ge was investigated. A contribution to the conductance modulation symmetric with respect to the…

Superconductivity · Physics 2009-11-07 N. Markovic , C. Christiansen , G. Martinez-Arizala , A. M. Goldman

Coating and reflecting thin films for energy harvesting purposes are interesting topics in both theoretical and experimental research. The thin film could help to enhance the absorption of the system via its specific optical properties…

Optics · Physics 2025-08-07 Le Tri Dat , Nguyen Duy Vy

Topological insulators are insulating in the bulk but possess metallic surface states protected by time-reversal symmetry. Here, we report a detailed electronic transport study in high quality Bi2Se3 topological insulator thin films…

Highly crystalline and easily feasible topological insulator-superconductor (TI-SC) heterostructures are crucial for the development of practical topological qubit devices. The optimal superconducting layer for TI-SC heterostructures should…

Mesoscale and Nanoscale Physics · Physics 2024-07-08 Renjie Xie , Min Ge , Shaozhu Xiao , Jiahui Zhang , Jiachang Bi , Xiaoyu Yuan , Hee Taek Yi , Baomin Wang , Seongshik Oh , Yanwei Cao , Xiong Yao

We report on the charge carrier dynamics of superconducting titanium nitride (TiN) in the frequency range 90 - 510 GHz (3 - 17 cm-1). The experiments were perfomed on a 18 nm thick TiN film with a critical temperature of 3.4 K. Measurements…

The ongoing quest for unambiguous signatures of topological superconductivity and Majorana modes in magnet-superconductor hybrid systems creates a high demand for suitable superconducting substrates. Materials that incorporate $s$-wave…

Superconductivity · Physics 2021-12-23 Philip Beck , Lucas Schneider , Lydia Bachmann , Jens Wiebe , Roland Wiesendanger