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Interstitial oxygen behavior for thermal double donor formation in germanium: Infrared absorption studies
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10.1063/1.4792061
/content/aip/journal/jap/113/7/10.1063/1.4792061
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/7/10.1063/1.4792061
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Infrared absorption spectra of oxygen-rich Ge heat-treated at 350 ˚C for various durations. The inset shows an enlargement of the TDD-related absorption peak.

Image of FIG. 2.
FIG. 2.

Variation of concentration of interstitially dissolved oxygen [Oi] in Ge against the duration of the heat treatment at 300–500 ˚C.

Image of FIG. 3.
FIG. 3.

(a) Variation of reciprocal of the concentration of interstitially dissolved oxygen [Oi]−1 in the early stage (up to 100 h) at various temperatures. Solid lines are fitting results according to Eq. (1) . (b) Temperature dependence of the reaction rate constant k a in the heat treatment at temperatures 300–400 ˚C. The solid line fits to the experimental data with a slope of 1.7 ± 0.1 eV.

Image of FIG. 4.
FIG. 4.

(a) Variation of net reduction of the oxygen concentration ([Oi]-[Oi]eq) in the prolonged stage at various temperatures. Solid lines are fitting results according to Eq. (4) . The inset shows an enlargement of the variation for the short duration. (b) Temperature dependence of the reaction rate constant k a’ in the heat treatment at temperatures of 350–400 ˚C. The solid line fits the experimental data with a slope of 2.0 ± 0.3 eV.

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/content/aip/journal/jap/113/7/10.1063/1.4792061
2013-02-15
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Interstitial oxygen behavior for thermal double donor formation in germanium: Infrared absorption studies
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/7/10.1063/1.4792061
10.1063/1.4792061
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