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Charge transfer in Sr Zintl template on Si(001)
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10.1063/1.4788916
/content/aip/journal/apl/102/3/10.1063/1.4788916
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/3/10.1063/1.4788916
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Figures

Image of FIG. 1.
FIG. 1.

RHEED patterns of the Si(001) surface as a function of Sr coverage for (a) 0, (b) 1/6, (c) 1/3, and (d) 1/2ML Sr coverage on 2 × 1 Si(001) deposited at 600 °C. All patterns are viewed along the Si〈110〉 azimuth.

Image of FIG. 2.
FIG. 2.

Si 2p core-level spectra of (a) clean 2 × 1 Si(001), and (b) 1/2 ML Sr deposition on clean 2 × 1 Si(001) by in situ XPS at room temperature. Insets are theoretical structures of clean 2 × 1 Si(001) and 1/2 ML Sr on Si(001) obtained from the DFT calculations. 40

Image of FIG. 3.
FIG. 3.

Valence band edge of the clean 2 × 1 Si(001) and 1/2 ML Sr on Si(001) measured using XPS. The zero of energy is set at the Fermi level.

Image of FIG. 4.
FIG. 4.

Work function variation as a function of Sr coverage on 2 × 1 Si(001) from the experiment (filled squares) and theory (open circles). For the work function calculation for the Sr coverage of 1/6 ML, 1/4ML, and 1/3ML, we use the structural model proposed in Refs. 49 and 3 , respectively.

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/content/aip/journal/apl/102/3/10.1063/1.4788916
2013-01-24
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Charge transfer in Sr Zintl template on Si(001)
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/3/10.1063/1.4788916
10.1063/1.4788916
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