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Self-consistently modeling the electronic behavior of “active” nanostructures: Scaling of ionized donor density at the nanoscale
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10.1063/1.4756790
/content/aip/journal/apl/101/15/10.1063/1.4756790
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/15/10.1063/1.4756790
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Figures

Image of FIG. 1.
FIG. 1.

Schematic representation of the conduction band bottom, vsp , of (a) a large QD with both neutral (r < R 0) and depleted regions (Λ), and two small QDs (b),(c) of such radius R that no neutral region forms and the band bending flattens. The R of (c) is less than (b).

Image of FIG. 2.
FIG. 2.

Plot of nd against QD radius for the self-consistent (sc) solution of the P, KS, and CB equations (◆), the sc solution of the P and the CB equations alone (◼), and the large R analytical solution of the P equation (●).

Image of FIG. 3.
FIG. 3.

Constant current STM images of (a) 4 nm and (b) 15 nm SnO2 particles acquired at 3.1 V and 0.6 nA. The grey scales range from 0 to 17 nm for (a) and 0 to 3.1 nm for (b). (c) The normalized conductivity spectra for (i) the 4 nm SnO2 particles and (ii) the 15 nm particles, each spectrum obtained from the average of 6400 I(V) curves over areas of 90 × 90 nm2 and 190 × 190 nm2 for (i) and (ii), respectively. The curves have been shifted vertically for clarity and the positions of the band edges are shown by vertical dotted lines.

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/content/aip/journal/apl/101/15/10.1063/1.4756790
2012-10-10
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Self-consistently modeling the electronic behavior of “active” nanostructures: Scaling of ionized donor density at the nanoscale
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/15/10.1063/1.4756790
10.1063/1.4756790
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