1887
banner image
No data available.
Please log in to see this content.
You have no subscription access to this content.
No metrics data to plot.
The attempt to load metrics for this article has failed.
The attempt to plot a graph for these metrics has failed.
A scaling law for the critical current of stands based on strong-coupling theory of superconductivity
Rent:
Rent this article for
USD
10.1063/1.2170415
/content/aip/journal/jap/99/3/10.1063/1.2170415
http://aip.metastore.ingenta.com/content/aip/journal/jap/99/3/10.1063/1.2170415

Figures

Image of FIG. 1.
FIG. 1.

Calculated critical temperature as a function of or for each case [(c): dependence, bottom axis; dependence, top axis]. Solid lines are linear fits to the data.

Image of FIG. 2.
FIG. 2.

Calculated thermodynamic critical field as a function of or for each case (case I: bottom axis, case II: top axis, and case III: dependence, bottom axis; dependence, top axis). Solid lines are linear fits to the data. Calculations were done at . [, see Fig. 3.]

Image of FIG. 3.
FIG. 3.

The temperature dependence of the thermodynamic critical field for representative values of and . All lines are calculated with , where .

Image of FIG. 4.
FIG. 4.

Calculated upper critical field as a function of or for each case [(c): dependence, bottom axis; dependence, top axis]. Calculations were done at . [, see Fig. 6.] Solid lines are linear fits to the clean limit data within the upper critical field range from . Dotted lines are calculated with Eq. (9) using the strain dependences of and listed in Table I. Dashed horizontal lines are guidelines which correspond to .

Image of FIG. 5.
FIG. 5.

The temperature dependence of the Ginzburg-Landau parameter calculated for representative values of and . Dotted line represents the Summers expression for the temperature dependence of . Solid lines are calculated with Eq. (10). The fitting parameters and are listed in the figure.

Image of FIG. 6.
FIG. 6.

The temperature dependence of for the impurity concentration of and . Solid line is calculated with Eq. (11) using and . Dotted line represents the empirical fitting formula , with . Inset: comparison of the strain dependence of at 0 and . are calculated with Eq. (11) for case I with the impurity concentration of .

Image of FIG. 7.
FIG. 7.

Typical critical current measurement data at various fields, temperatures, and strains obtained by Godeke et al. All lines are calculated with Eq. (17) using the same parameters obtained from the fitting of with Eq. (15).

Image of FIG. 8.
FIG. 8.

The extrapolated upper critical field as a function of temperature at various strains. (Inset: the strain dependence of the extrapolated upper critical field.) The extrapolated upper critical fields are fitted with Eq. (15). Lines are the fitting results. The best fit is obtained with , , , , , , and .

Image of FIG. 9.
FIG. 9.

The pinning force maximum obtained from the Kramer plots as a function of temperature at various strains. (Inset: the strain dependence of the pinning force maximum.) All lines are calculated with Eq. (16) using the same parameters obtained from the fitting of .

Tables

Generic image for table
Table I.

The strain dependences of and obtained the empirical transition temperature relation , with . and are 1.68 and , respectively.

Generic image for table
Table II.

or dependences of and the strain dependences of for each case.

Generic image for table
Table III.

The coefficients for the strain dependence of at various impurity concentrations for each case.

Loading

Article metrics loading...

/content/aip/journal/jap/99/3/10.1063/1.2170415
2006-02-09
2014-04-20
Loading

Full text loading...

This is a required field
Please enter a valid email address
752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: A scaling law for the critical current of Nb3Sn stands based on strong-coupling theory of superconductivity
http://aip.metastore.ingenta.com/content/aip/journal/jap/99/3/10.1063/1.2170415
10.1063/1.2170415
SEARCH_EXPAND_ITEM