Local moments, diamagnetism, and time‐dependent magnetic response of high‐temperature superconductors

1988 ◽  
Vol 64 (10) ◽  
pp. 5812-5814 ◽  
Author(s):  
M. Földeáki ◽  
M. E. McHenry ◽  
G. Kalonji ◽  
R. C. O’Handley
Keyword(s):  
High Temperature ◽  
High Temperature Superconductors ◽  
Time Dependent ◽  
Magnetic Response ◽  
Local Moments

Anomalies in low field magnetic response near Tc in layered high temperature superconductors

1994 ◽  
Vol 235-240 ◽  
pp. 3281-3282 ◽  
Author(s):  
A.K. Grover ◽  
N. Goyal ◽  
F. Iga ◽  
K. Ino ◽  
N. Aoki ◽  
...  
Keyword(s):  
High Temperature ◽  
High Temperature Superconductors ◽  
Magnetic Response ◽  
Low Field

Harmonic Generation in the Alternating Magnetic Response of High-Temperature Superconductors

1989 ◽  
Vol 169 ◽  
Author(s):  
A. Shaulov ◽  
R. Bhargava ◽  
D. Dorman
Keyword(s):  
High Temperature ◽  
Harmonic Generation ◽  
Flux Pinning ◽  
High Temperature Superconductors ◽  
Magnetic Behavior ◽  
Bias Field ◽  
Magnetic Response ◽  
Flux Penetration ◽  
Field Temperature ◽  
Harmonic Components

AbstractWe report a novel ac technique for characterizing the magnetic behavior of high-temperature superconductors. This technique is based on monitoring the spectrum of the magnetic response of these materials to small sinusoidal fields. A nonlinear magnetic behavior is indicated by the appearance of harmonic components in the spectrum. Measurements of these harmonics as a function of bias field, temperature and frequency provide valuable information about the processes of flux penetration, flux pinning and motion in these materials.

Local moments, diamagnetism and pinned flux in RBa2Cu3O7−δ high temperature superconductors

1989 ◽  
Vol 161 (3) ◽  
pp. 403-411 ◽  
Author(s):  
M. Foldeáki ◽  
M.E. McHenry ◽  
R.C. O'Handley ◽  
R.A. Dunlap
Keyword(s):  
High Temperature ◽  
High Temperature Superconductors ◽  
Local Moments

Singular and Nonsingular Vortex Structures in High-Temperature Superconductors

2003 ◽  
Vol 17 (10n12) ◽  
pp. 621-626
Author(s):  
A. S. Bystrov ◽  
A. S. Mel'Nikov ◽  
D. A. Ryzhov ◽  
I. M. Nefedov ◽  
I. A. Shereshevskii ◽  
...  
Keyword(s):  
High Temperature ◽  
Vortex Core ◽  
Landau Theory ◽  
High Temperature Superconductors ◽  
Flux Line ◽  
Vortex Structures ◽  
Time Dependent ◽  
S Wave ◽  
Ginzburg Landau ◽  
Flux Lines

In this paper we focus on the comparison of the equilibrium and transport properties of singular and nonsingular vortex structures in high-temperature compounds. Using the time-dependent Ginzburg–Landau theory we study the dynamics of vortex structures in superconductors with (d+s)-wave pairing. We calculate the angular dependent correction to the viscosity tensor of a singular flux line, which appears due to the admixture of subdominant s-wave order parameter component in the vortex core. The second order phase transition between singular and nonsingular vortices in high-temperature superconductors was simulated within the time-dependent Ginzburg-Landau equations. The semiclassical analysis of the positions of gap nodes in the vortex core is performed both for singular and nonsingular flux lines.

A study by GC-MS of the decomposition of precursors for the MOCVD of high temperature superconductors

2002 ◽  
Vol 12 (4) ◽  
pp. 85-92
Author(s):  
O. V. Lopaeva ◽  
M. L. Hitchman ◽  
S. H. Shamlian ◽  
D. R. Watson
Keyword(s):  
High Temperature ◽  
High Temperature Superconductors
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