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Spin-polarized transport in the manganite
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10.1063/1.3081153
/content/aip/journal/ltp/35/3/10.1063/1.3081153
http://aip.metastore.ingenta.com/content/aip/journal/ltp/35/3/10.1063/1.3081153

Figures

Image of FIG. 1.
FIG. 1.

Temperature dependence of the resistivity of in a magnetic field of and in the absence of field. The temperature dependence of , % is plotted on the right-hand scale.

Image of FIG. 2.
FIG. 2.

Low-temperature behavior of in in a magnetic field of and in the absence of field. The curves correspond to approximations according to formulas (1)–(3).

Image of FIG. 3.
FIG. 3.

Experimental data on for and the approximating curves obtained using various models: experiment (○), spin-polarized tunneling (—), (---), Coulomb blockade model (⋅⋅⋅⋅), (–⋅–).

Image of FIG. 4.
FIG. 4.

Magnetic-field dependence of for at . The inset shows the field dependence of the magnetoresistance at and . The curves correspond to approximations using expressions (4) and (5) with the fitting coefficients (at ): , , , , , .

Image of FIG. 5.
FIG. 5.

Temperature dependence of the correlation function at and at .

Tables

Generic image for table
Table I.

Parameter values giving the best fit to the experimental data in the spin-polarized tunnel and Coulomb blockade models.

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/content/aip/journal/ltp/35/3/10.1063/1.3081153
2009-03-01
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Spin-polarized transport in the manganite La0.85Ag0.15MnO3
http://aip.metastore.ingenta.com/content/aip/journal/ltp/35/3/10.1063/1.3081153
10.1063/1.3081153
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