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We derive a general microscopic expression for the non-linear diamagnetic current in a clean superconductor-insulator-normal metal structure with an arbitrary interface transmission. In the absence of electron-electron interactions in the…

Superconductivity · Physics 2009-11-07 A. V. Galaktionov , A. D. Zaikin

Non-invasive magnetic field sensing using optically - detected magnetic resonance of nitrogen-vacancy (NV) centers in diamond was used to study spatial distribution of the magnetic induction upon penetration and expulsion of weak magnetic…

We present two magnetometry-based methods suitable for assessing gradients in the critical temperature and hence the composition of multifilamentary superconductors: AC magnetometry and Scanning Hall Probe Microscopy. The novelty of the…

Superconductivity · Physics 2016-11-22 T. Baumgartner , J. Hecher , J. Bernardi , S. Pfeiffer , C. Senatore , M. Eisterer

The Compact Muon Solenoid (CMS) is a general purpose detector, designed to run at the highest luminosity at the CERN Large Hadron Collider (LHC). Its distinctive features include a 4 T superconducting solenoid with 6-m-diameter by…

Instrumentation and Detectors · Physics 2016-08-09 V. I. Klyukhin , N. Amapane , A. Ball , B. Curé , A. Gaddi , H. Gerwig , M. Mulders , A. Hervé , R. Loveless

Superconducting state in mesoscopic cylinder placed in the external magnetic field is analyzed at general de Gennes boundary condition for the order parameter. The lower and the surface critical fields of the cylinder are calculated at…

Superconductivity · Physics 2007-05-23 W. V. Pogosov , A. L. Rakhmanov , E. A. Shapoval

We scrutinize the enhanced superconducting performance of melt quench Bismuth based Bi2Sr2CaCu2O8 (Bi-2212) superconductor. The superconducting properties of melt quenched Bi-2212 (Bi2212-MQ) sample are compared with non-melted Bi2212-NM…

Superconductivity · Physics 2013-07-18 Jagdish Kumar , Devina Sharma , P. K. Ahluwalia , V. P. S. Awana

We report quantitative measurements of nanoscale permittivity and conductivity using tuning-fork (TF) based microwave impedance microscopy (MIM). The system is operated under the driving amplitude modulation mode, which ensures satisfactory…

Applied Physics · Physics 2018-04-05 Xiaoyu Wu , Zhenqi Hao , Di Wu , Lu Zheng , Zhanzhi Jiang , Vishal Ganesan , Yayu Wang , Keji Lai

We have performed susceptibility, thermopower, dc resistance and microwave measurements on RuSr2EuCu2O8. This compound has recently been shown to display the coexistence of both superconducting and magnetic order. We find clear evidence of…

Superconductivity · Physics 2009-11-07 M. Pozek , A. Dulcic , D. Paar , G. V. M. Williams , S. Kramer

In the previous four decades, a two-coil mutual inductance (MI) technique has been widely employed in characterizing magnetic penetration depth, $\lambda$, of superconducting films. However, the conventional methods used to obtain $\lambda$…

Superconductivity · Physics 2021-08-11 Ruozhou Zhang , Mingyang Qin , Lu Zhang , Lixing You , Chao Dong , Peng Sha , Qihong Chen , Jie Yuan , Kui Jin

Superconductivity is achieved in Nd1-xCexOBiS2 via electron doping using mixed-valence Ce ions. Single crystals with x = 0.2, 0.3, 0.4, and 0.5 are generated using a CsCl flux method. Plate-like single crystals with dimensions of 0.8 0.8…

This paper presents a first study of the performance of a novel 2D position-sensitive microstrip detector, where the resistive charge division method was implemented by replacing the metallic electrodes with resistive electrodes made of…

Instrumentation and Detectors · Physics 2015-05-28 D. Bassignana , M. Fernandez , R. Jaramillo , M. Lozano , F. J. Munoz , G. Pellegrini , D. Quirion , I. Vila

Bulk samples of MgB2 have been formed by hot isostatic pressing (HIPping) of commercial powder at 100MPa and 950=B0C. The resulting material is 100% dense with a sharp superconducting transition at 37.5K. Microstructural studies have…

Superconductivity · Physics 2009-11-07 T C Shields , K Kawano , D Holdom , J S Abell

A simplified model of anisotropic magnetic susceptibility in the Meissner-London vortex-free state of cuboidal superconducting samples is presented. Using this model, precision measurements of the magnetic response in three perpendicular…

Superconductivity · Physics 2024-11-28 Ruslan Prozorov

Three-dimensional MEMS magnetometers with use of residual stresses in thin multilayers cantilevers are presented. Half-loop cantilevers based on Lorentz-force deflection convert magnetic flux in changes, thanks to piezoresistive transducers…

Other Computer Science · Computer Science 2008-02-22 M. El Ghorba , N. André , S. Sobieski , J. -P. Raskin

We report the local measurements of the magnetic penetration depth $\lambda$ in a superconducting Nb film using magnetic force microscopy (MFM). We developed a method for quantitative extraction of the penetration depth from…

Materials Science · Physics 2009-12-29 E. Nazaretski , J. P. Thibodaux , I. Vekhter , L. Civale , J. D. Thompson , R. Movshovich

A method for assessing the quality of electronic material properties of thin-film metal oxide semiconductor field-effect transistors (MOSFETs) is presented. By investigating samples with MOCVD-grown MoS${_2}$ channels exposed to atmospheric…

Applied Physics · Physics 2025-04-03 Eros Reato , Ardeshir Esteki , Benny Ku , Zhenxing Wang , Michael Heuken , Max C. Lemme , Olof Engström

The design, fabrication and performance of an apparatus for the measurement of direct rf power absorption in colossal magnetoresistive (CMR) and superconducting samples are described. The system consists of a self-resonant LC tank circuit…

Superconductivity · Physics 2015-06-25 S. Sarangi , S. V. Bhat

We calculate the change in susceptibility resulting from a thin sheet with reduced penetration depth embedded perpendicular to the surface of an isotropic superconductor, in a geometry applicable to scanning Superconducting QUantum…

Superconductivity · Physics 2013-05-29 J. R. Kirtley , B. Kalisky , L. Luan , K. A. Moler

We report highly sensitive specific heat measurement on mesoscopic superconducting loops at low temperature. These mesoscopic systems exhibit thermal properties significantly different from that of the bulk materials. The measurement is…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 O. Bourgeois , F. Ong , S. E. Skipetrov , J. Chaussy

We use macroscopic holes drilled in a bulk YBCO superconductor to probe its magnetic properties in the volume of the sample. The sample is subjected to an AC magnetic flux with a density ranging from 30mT to 130mT and the flux in the…