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Enhancement of p-type mobility in tin monoxide by native defects
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10.1063/1.4808382
/content/aip/journal/apl/102/21/10.1063/1.4808382
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/21/10.1063/1.4808382
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Figures

Image of FIG. 1.
FIG. 1.

Schematic diagram of the energy levels for a typical metal oxide (left) and for SnO (right). For the typical metal oxide, the VB is dominated by the O 2 orbitals and the CB by the cation states (e.g., Sn 5 for SnO). For SnO, the energy proximity of the Sn 5 and O 2 states results in equal contributions to the VB edge. For a more complete picture of the level energetics, the reader is referred to Refs. .

Image of FIG. 2.
FIG. 2.

SnO native defects. Sn atoms are represented by large grey spheres and O atoms by small red spheres. The octahedral site is shown in blue and the tetrahedral site in green. Only the octahedral site is considered in this work.

Image of FIG. 3.
FIG. 3.

Partial DOSs of pristine SnO. The summed valence states (O 2 + 2 and Sn 5 + 5 + 4), the summed states (O 2 and Sn 5), and the summed states (O 2 and Sn 5) of all atoms of the same type are represented by a black solid, a red dashed, and a blue dashed-dotted line, respectively. The Fermi energy is set to the top of the valence band.

Image of FIG. 4.
FIG. 4.

Partial DOSs for the defective SnO supercells. The summed valence states (O 2 + 2 and Sn 5 + 5 + 4), the summed states (O 2 and Sn 5), and the summed states (O 2 and Sn5) of all atoms of the same type are represented by a black solid, a red dashed, and a blue dashed-dotted line, respectively. A green solid line represents the states of the interstitial atom, when there is one. The energy is measured in relation to the Fermi energy represented by a vertical dashed line.

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/content/aip/journal/apl/102/21/10.1063/1.4808382
2013-05-31
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Enhancement of p-type mobility in tin monoxide by native defects
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/21/10.1063/1.4808382
10.1063/1.4808382
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