Penetration depth and core radius μSR measurements in the vortex state near the lower critical field

2003 ◽  
Vol 326 (1-4) ◽  
pp. 296-299 ◽  
Author(s):  
R.I. Miller ◽  
R.F. Kiefl ◽  
J.H. Brewer ◽  
J.C. Chakhalian ◽  
S. Dunsiger ◽  
...  
Keyword(s):  
Penetration Depth ◽  
Critical Field ◽  
Vortex State ◽  
Core Radius ◽  
Lower Critical Field

Lower Critical Field of Layered Organic Superconductor with Asymmetrical Donor κ-(MDT-TTF)2AuI2

2020 ◽  
Vol 855 ◽  
pp. 221-226
Author(s):  
Dita Puspita Sari ◽  
Naito Rui ◽  
Kaito Miki ◽  
Isao Watanabe ◽  
Hiromi Taniguchi ◽  
...  
Keyword(s):  
Critical Field ◽  
Vortex State ◽  
Magnetization Measurement ◽  
Organic Superconductor ◽  
Layered Superconductor ◽  
Type Ii ◽  
Superconducting Transition ◽  
Conducting Plane ◽  
Lower Critical Field ◽  
Demagnetization Factor

We report magnetization measurement in the superconducting state of a type-II organic layered superconductor with asymmetrical donor k-(MDT-TTF)2AuI2. The demagnetization factor of a plate-like shape of the single crystal has been taken into account for the measurement by applying an external field perpendicular to the conducting plane. The superconducting transition temperature TC is determined to be 4.7 K through the detection of demagnetization signal. The lower critical field is 10.5±1.4 G. This result implies that the stable vortex state of k-(MDT-TTF)2AuI2 can be reached at the applied magnetic field above 105 Oe

Anisotropy of the lower critical field, magnetic penetration depth, and equilibrium shielding current in single-crystalYBa2Cu3O7−δ

1988 ◽  
Vol 38 (4) ◽  
pp. 2843-2846 ◽  
Author(s):  
A. Umezawa ◽  
G. W. Crabtree ◽  
J. Z. Liu ◽  
T. J. Moran ◽  
S. K. Malik ◽  
...  
Keyword(s):  
Penetration Depth ◽  
Critical Field ◽  
Magnetic Penetration Depth ◽  
Lower Critical Field ◽  
Magnetic Penetration

Anisotropic lower critical field of single crystal Ba2YCu3Oy

1989 ◽  
Vol 159 (4) ◽  
pp. 483-487 ◽  
Author(s):  
Takao Ishii ◽  
Tomoaki Yamada
Keyword(s):  
Single Crystal ◽  
Critical Field ◽  
Lower Critical Field

Ginzburg–Landau theory of the Abrikosov vortex state near the upper critical field

1982 ◽  
Vol 60 (3) ◽  
pp. 299-303 ◽  
Author(s):  
A. E. Jacobs
Keyword(s):  
Critical Field ◽  
Landau Theory ◽  
Upper Critical Field ◽  
Vortex State ◽  
Quantization Condition ◽  
Abrikosov Vortex ◽  
Ginzburg Landau ◽  
Type Ii Superconductors ◽  
Flux Quantization ◽  
The Magnetic Field

A method which preserves the flux-quantization condition in all orders of perturbation theory is applied to the Ginzburg–Landau theory of type-II superconductors near the upper critical field. Expansions are obtained for the order parameter, the magnetic field, and the free energy; previous results are verified and extended to one higher order in Hc2 – Ha.

Influence of spatial variations in the lower critical field on the equilibrium field penetration into superconductors

2008 ◽  
Vol 77 (21) ◽  
Author(s):  
Nurit Avraham ◽  
E. H. Brandt ◽  
G. P. Mikitik ◽  
Y. Myasoedov ◽  
M. Rappaport ◽  
...  
Keyword(s):  
Critical Field ◽  
Spatial Variations ◽  
Lower Critical Field ◽  
Field Penetration
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