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Valence band structures of the phase change material
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10.1063/1.2825573
/content/aip/journal/apl/91/25/10.1063/1.2825573
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/25/10.1063/1.2825573
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

XRD patterns of on Si(001). The as-prepared samples and the ones annealed at 170 and were identified as amorphous, fcc, and hcp phases, respectively.

Image of FIG. 2.
FIG. 2.

(Color online) Wide scan spectra of Pt/GST/Si(001) samples after sputtering for (a) , (b) , and (c) followed by annealing at . Pt capping layer is completely removed after ion sputtering for . The beam energy of ion sputtering is .

Image of FIG. 3.
FIG. 3.

(Color online) Valence band spectra of three types of GST phase as a function of temperature (a) with photon energies of 25 and (b) (insets) zoom-in spectra near the Fermi level, to show the band gap change among three structural phases of GST. For the clear determination of the Fermi level, we have shown the valence band spectrum of gold as a dotted line.

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/content/aip/journal/apl/91/25/10.1063/1.2825573
2007-12-17
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Valence band structures of the phase change material Ge2Sb2Te5
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/25/10.1063/1.2825573
10.1063/1.2825573
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