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Atomistic study of electronic structure of PbSe nanowires
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10.1063/1.3592577
/content/aip/journal/apl/98/21/10.1063/1.3592577
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/21/10.1063/1.3592577
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

PbSe unit cell with wire axis orientations (x) along (a) [100], (b) [110], and (c) [111]. The W is of . Lead (Pb) and selenium (Se) atoms are shown.

Image of FIG. 2.
FIG. 2.

Band structure of PbSe NWs for (a) [100], (b) [110], and (c) [111] channels. The CBM and VBM are normalized to zero for simplified band comparison. Only the first 5–10 sub-bands are shown.

Image of FIG. 3.
FIG. 3.

(a) Band edges for square PbSe NWs with [100], [110], and [111] channel orientations. Band edge result using four band calculation for cylindrical PbSe NWs from Ref. 25. (b) Band gap variation for all the NWs. Dots are TB values and lines are analytical fits with W.

Image of FIG. 4.
FIG. 4.

Ballistic conductance in PbSe NWs for (a) CB and (b) VB for three different wire orientations at . The temperature comes from the Fermi-Dirac distribution of the carriers.

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/content/aip/journal/apl/98/21/10.1063/1.3592577
2011-05-23
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Atomistic study of electronic structure of PbSe nanowires
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/21/10.1063/1.3592577
10.1063/1.3592577
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