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Point Contact Andreev Reflection from Erbium: The role of external magnetic field and the sign of the spin polarization
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10.1063/1.3679451
/content/aip/journal/jap/111/7/10.1063/1.3679451
http://aip.metastore.ingenta.com/content/aip/journal/jap/111/7/10.1063/1.3679451
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) A PCAR spectrum of a Nb/Er contact at T = 2.3 K and µ 0 H = 0.0 mT, exhibiting spin polarization of 58%.

Image of FIG. 2.
FIG. 2.

(Color online) A PCAR spectrum of a Nb/Er junction, measured at T = 2.6 K and µ 0 H = 0.0 mT, consisting of two separate contacts, with relatively low spin polarization.

Image of FIG. 3.
FIG. 3.

(Color online) An example of the zero-field temperature dependence of the conductance spectra of the Nb/Er contact of Fig. 4. The normal state conductance of the contact is G n = 354.0(1) G 0.

Image of FIG. 4.
FIG. 4.

(Color online) An example of magnetic field and bias anti-symmetric effect on the conductance spectra of a Nb/Er contact at T = 2.4 K. The magnetic field is applied almost orthogonal to the current direction.

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/content/aip/journal/jap/111/7/10.1063/1.3679451
2012-03-13
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Point Contact Andreev Reflection from Erbium: The role of external magnetic field and the sign of the spin polarization
http://aip.metastore.ingenta.com/content/aip/journal/jap/111/7/10.1063/1.3679451
10.1063/1.3679451
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