Flux-pinning mechanism of proximity-coupled planar defects in conventional superconductors: Evidence that magnetic pinning is the dominant pinning mechanism in niobium-titanium alloy

1996 ◽  
Vol 53 (10) ◽  
pp. 6638-6652 ◽  
Author(s):  
L. D. Cooley ◽  
P. J. Lee ◽  
D. C. Larbalestier
Keyword(s):  
Titanium Alloy ◽  
Flux Pinning ◽  
Planar Defects ◽  
Pinning Mechanism ◽  
Niobium Titanium

Flux pinning mechanism in Ca1−xCdxLaBaCu3O7−y superconductor

1997 ◽  
Vol 282-287 ◽  
pp. 2129-2130
Author(s):  
Minghu Fang ◽  
Qinghu Chen ◽  
Zhengkuan Jiao ◽  
Qirui Zhang ◽  
Haihu Wen ◽  
...  
Keyword(s):  
Flux Pinning ◽  
Pinning Mechanism

Anisotropic critical current density and flux pinning mechanism of Fe1+yTe0.6Se0.4 single crystals

2021 ◽  
Author(s):  
Yongqiang Pan ◽  
Nan Zhou ◽  
Bencheng Lin ◽  
Jinhua Wang ◽  
Zengwei Zhu ◽  
...  
Keyword(s):  
Critical Current Density ◽  
Single Crystals ◽  
Critical Current ◽  
Current Density ◽  
Flux Pinning ◽  
Magnetic Hysteresis ◽  
Magnetic Hysteresis Loop ◽  
Pinning Force ◽  
Magnetization Relaxation ◽  
Pinning Mechanism

Abstract Fe1+yTe0.6Se0.4 has considerable application potential due to its large critical current density (J c) and high upper critical magnetic field (H c2). However, the uncertainty of the anisotropy of J c and the unclear flux-pinning mechanism have limited the application of this material. In this study, the J c in three directions were obtained from magnetic hysteresis loop measurements. A large anisotropy of J c ab /J c c ~ 10 was observed, and the origin of the anisotropy was discussed in details. Flux pinning force densities (F p) were obtained from J c, and a non-scaling behavior was found in the normalized pinning force f p[F p/F p-max] versus the normalized field h[H/H c2]. The peaks of pinning force shift from a high h to a low h with increasing temperature. Based on the vortex dynamics analysis, the peak shift was found to originate from the magnetization relaxation. The J c and F p at critical states free from the magnetic relaxation were regained. According to the Dew-Hughes model, the dominant pinning type in Fe1+yTe0.6Se0.4 clean single crystals was confirmed to be normal point pinning.

scholarly journals Enhancement of superconducting properties and flux pinning mechanism on Cr0.0005NbSe2 single crystal under Hydrostatic pressure

2019 ◽  
Vol 9 (1) ◽  
Author(s):  
S. Arumugam ◽  
Manikandan Krishnan ◽  
Kent Ishigaki ◽  
Jun Gouchi ◽  
Rukshana Pervin ◽  
...  
Keyword(s):  
Hydrostatic Pressure ◽  
Single Crystal ◽  
Flux Pinning ◽  
Superconducting Properties ◽  
Pinning Mechanism

Influence of combined deformation and heat treatment on the superconducting properties of a niobium-titanium alloy

2008 ◽  
Vol 34 (8) ◽  
pp. 606-609 ◽  
Author(s):  
V. A. Beloshenko ◽  
N. I. Matrosov ◽  
V. V. Chishko ◽  
O. N. Mironova ◽  
É. A. Medvedskaya ◽  
...  
Keyword(s):  
Heat Treatment ◽  
Titanium Alloy ◽  
Superconducting Properties ◽  
Deformation And Heat Treatment ◽  
Niobium Titanium

Transition of flux pinning mechanism in mesoscopic NbTi/Nb/Cu superconductor

Cryogenics ◽  
1998 ◽  
Vol 38 (8) ◽  
pp. 779-784 ◽  
Author(s):  
T Kitai ◽  
H Tsurumaru ◽  
M Higuchi ◽  
K Osamura ◽  
S Kikuchi ◽  
...  
Keyword(s):  
Flux Pinning ◽  
Pinning Mechanism
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