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Evolution of variable range hopping in strongly localized two dimensional electron gas at NdAlO3/SrTiO3 (100) heterointerfaces
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10.1063/1.4768932
/content/aip/journal/apl/101/23/10.1063/1.4768932
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/23/10.1063/1.4768932
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) RHEED oscillations obtained during the growth of the NdAlO3/SrTiO3 (100) samples (b) AFM image of the NdAlO3/SrTiO3 sample showing the step flow surface indicating the layer by layer growth of the NdAlO3 films.

Image of FIG. 2.
FIG. 2.

Temperature dependence of (a) sheet resistance, R s, (b) charge carrier density, ns , and mobility, μ, for NdAlO3/SrTiO3 samples with different thicknesses.

Image of FIG. 3.
FIG. 3.

The ln(R s) vs. (1/T)1/3 graph for 12 and 16 uc NdAlO3/SrTiO3 samples, a 2D VRH fit.

Image of FIG. 4.
FIG. 4.

(a) Out-of-plane MR measured at different temperatures for 12 uc NdAlO3/SrTiO3 sample. Inset: scaling of MR at 9 T with temperature for negative MR part. (b) MR (Out of plane) measured at 2 K with magnetic field showing linear variation at high magnetic fields. Inset: B2 dependence for low magnetic fields. (c) In-plane MR measured at different temperatures. (d) Angle dependence of R s at 2 K and 9 T.

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/content/aip/journal/apl/101/23/10.1063/1.4768932
2012-12-04
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Evolution of variable range hopping in strongly localized two dimensional electron gas at NdAlO3/SrTiO3 (100) heterointerfaces
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/23/10.1063/1.4768932
10.1063/1.4768932
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