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Electrical resistivity, Debye temperature, and connectivity in heavily doped bulk superconductors
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10.1063/1.3132096
/content/aip/journal/jap/105/10/10.1063/1.3132096
http://aip.metastore.ingenta.com/content/aip/journal/jap/105/10/10.1063/1.3132096

Figures

Image of FIG. 1.
FIG. 1.

(a) Measured total resistivities, , of two binary samples, MB700 and NRLHR10Mg (after Ref. 13). (b) Normalized ideal (phononic) resistivities, , for the binary samples of (a).

Image of FIG. 2.
FIG. 2.

(a) Measured total resistivities, of the binary , , and bulk pellets. (b). Normalized ideal (phononic) resistivities, , of the binary , , and bulk pellets.

Image of FIG. 3.
FIG. 3.

(a) B-G-fitted ideal resistivity (with ) of a single crystal from Ref. 7 and a simulated data set obtained by decreasing from 903 to 600 K. (b). Normalized ideal (phononic) resistivities from the simulated data set of (a) showing a lack of nesting and illustrating the dependence of on .

Image of FIG. 4.
FIG. 4.

(a) Total resistivities of the binary , , and bulk pellets along with their B-G-fitted curves together with published and fitted data. (b) Low resistivity detail from (a) depicting B-G fits to data from Refs. 7, 13, and 14.

Image of FIG. 5.
FIG. 5.

Electronic specific heats for the binary , , and bulk pellets. The inset presents the measured total specific heats of the binary , , and bulk pellets measured in zero-field, after Ref. 21.

Tables

Generic image for table
Table I.

B-G analysis of resistivity data for eight -based samples.

Generic image for table
Table II.

Estimation of the percent connectivity, , and the average electron-phonon coupling parameter, , for binary and heavily doped bulk pellets.

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/content/aip/journal/jap/105/10/10.1063/1.3132096
2009-05-28
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Electrical resistivity, Debye temperature, and connectivity in heavily doped bulk MgB2 superconductors
http://aip.metastore.ingenta.com/content/aip/journal/jap/105/10/10.1063/1.3132096
10.1063/1.3132096
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