scholarly journals Nanoscale Texture and Microstructure in a NdFeAs(O,F)/IBAD-MgO Superconducting Thin Film with Superior Critical Current Properties

2021 ◽  
Author(s):  
Zimeng Guo ◽  
Hongye Gao ◽  
Keisuke Kondo ◽  
Takafumi Hatano ◽  
Kazumasa Iida ◽  
...  
Keyword(s):  
Thin Film ◽  
Critical Current ◽  
Superconducting Thin Film

Critical current control in a superconducting thin film with a ferromagnetic layer

2003 ◽  
Vol 13 (2) ◽  
pp. 2849-2852 ◽  
Author(s):  
M.D. Allsworth ◽  
R.A. Chakalov ◽  
P. Mikheenko ◽  
M.S. Colclough ◽  
C.M. Muirhead
Keyword(s):  
Thin Film ◽  
Critical Current ◽  
Ferromagnetic Layer ◽  
Current Control ◽  
Superconducting Thin Film

scholarly journals Enhancing the effective critical current density in a Nb superconducting thin film by cooling in an inhomogeneous magnetic field

2021 ◽  
Vol 119 (2) ◽  
pp. 022602
Author(s):  
D. A. D. Chaves ◽  
I. M. de Araújo ◽  
D. Carmo ◽  
F. Colauto ◽  
A. A. M. de Oliveira ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Thin Film ◽  
Critical Current Density ◽  
Critical Current ◽  
Current Density ◽  
Inhomogeneous Magnetic Field ◽  
Superconducting Thin Film

Characteristics of critical current density and weak links in an YBa2Cu3O7−δ superconducting thin film

1990 ◽  
Vol 167 (1-2) ◽  
pp. 75-78 ◽  
Author(s):  
H.H. Wen ◽  
J. Fang ◽  
J.H. Lu ◽  
X.W. Cao ◽  
J.Z. Shi ◽  
...  
Keyword(s):  
Thin Film ◽  
Critical Current Density ◽  
Critical Current ◽  
Current Density ◽  
Weak Links ◽  
Superconducting Thin Film

Ferromagnetic-superconducting thin-film layered device: critical current behaviour

2000 ◽  
Vol 80 (5) ◽  
pp. 1127-1132 ◽  
Author(s):  
L. Callegaro ◽  
V. Lacquaniti ◽  
S. Maggi ◽  
E. Puppin ◽  
O. Rampado ◽  
...  
Keyword(s):  
Thin Film ◽  
Critical Current ◽  
Superconducting Thin Film ◽  
Current Behaviour

Critical Current Densities of Submillimeter Single-Grain Tl-2223 Superconducting Thin Film

1996 ◽  
Vol 35 (Part 2, No. 2B) ◽  
pp. L209-L212
Author(s):  
Han-Chi Lin ◽  
Jenh-Yih Juang ◽  
Kwong-Hsung Wu ◽  
Yih-Shung Gou ◽  
Tseng-Ming Uen
Keyword(s):  
Thin Film ◽  
Critical Current ◽  
Superconducting Thin Film ◽  
Current Densities ◽  
Single Grain

Microstructural characterization of YBa2Cu3O7-x thin films formed by metalorganic CVD

1991 ◽  
Vol 49 ◽  
pp. 1080-1081
Author(s):  
P. Lu ◽  
W. Huang ◽  
C.S. Chern ◽  
Y.Q. Li ◽  
J. Zhao ◽  
...  
Keyword(s):  
Thin Film ◽  
Thin Films ◽  
Critical Current Density ◽  
Critical Current ◽  
Current Density ◽  
Film Growth ◽  
Chemical Vapor ◽  
Microstructural Characterization ◽  
Ion Milling ◽  
Conventional Grinding

The YBa2Cu3O7-x thin films formed by metalorganic chemical vapor deposition(MOCVD) have been reported to have excellent superconducting properties including a sharp zero resistance transition temperature (Tc) of 89 K and a high critical current density of 2.3x106 A/cm2 or higher. The origin of the high critical current in the thin film compared to bulk materials is attributed to its structural properties such as orientation, grain boundaries and defects on the scale of the coherent length. In this report, we present microstructural aspects of the thin films deposited on the (100) LaAlO3 substrate, which process the highest critical current density.Details of the thin film growth process have been reported elsewhere. The thin films were examined in both planar and cross-section view by electron microscopy. TEM sample preparation was carried out using conventional grinding, dimpling and ion milling techniques. Special care was taken to avoid exposure of the thin films to water during the preparation processes.

scholarly journals Moving Pearl Vortices in Thin-Film Superconductors

2021 ◽  
Vol 6 (1) ◽  
pp. 4
Author(s):  
Vladimir Kogan ◽  
Norio Nakagawa
Keyword(s):  
Magnetic Field ◽  
Thin Film ◽  
Time Dependent ◽  
Superconducting Thin Film ◽  
Self Energy ◽  
London Equation ◽  
The Magnetic Field

The magnetic field hz of a moving Pearl vortex in a superconducting thin-film in (x,y) plane is studied with the help of the time-dependent London equation. It is found that for a vortex at the origin moving in +x direction, hz(x,y) is suppressed in front of the vortex, x>0, and enhanced behind (x<0). The distribution asymmetry is proportional to the velocity and to the conductivity of normal quasiparticles. The vortex self-energy and the interaction of two moving vortices are evaluated.

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