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Measurement of the transport spin polarization of FeV using point-contact Andreev reflection
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10.1063/1.4808209
/content/aip/journal/apl/102/21/10.1063/1.4808209
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/21/10.1063/1.4808209

Figures

Image of FIG. 1.
FIG. 1.

Example of a conductance curve (normalized for  ≫ /) with a Sn tip taken at 1.7 K. The solid curve is the modified BTK theory fitted values:  = 47% and interface barrier strength  = 0.005.

Image of FIG. 2.
FIG. 2.

Example of a conductance curve for sample 264 with a Nb tip taken at 1.6 K, normalized for V ≫ Δ/e. The solid curve is the modified BTK theory fitted values: P = 51% and barrier strength Z = 0.17.

Image of FIG. 3.
FIG. 3.

Normalized saturation moment as a function of V concentration. The solid line is the behavior predicted by the band theory calculation.

Image of FIG. 4.
FIG. 4.

Calculated predictions for the density of states polarization (P), the ballistic polarization (P), and the diffusive polarization (P).

Image of FIG. 5.
FIG. 5.

Polarization data plotted with the calculated predictions for absolute values of the density of states polarization (P), the ballistic polarization (P), and the diffusive polarization (P).

Tables

Generic image for table
Table I.

Summary of the spin-polarization results for the FeV samples studied. is the average spin-polarization.

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/content/aip/journal/apl/102/21/10.1063/1.4808209
2013-05-30
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Measurement of the transport spin polarization of FeV using point-contact Andreev reflection
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/21/10.1063/1.4808209
10.1063/1.4808209
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