Abstract

AbstractThe geometrical structure of native silicon oxide and ultra thin thermal silicon oxides grown in situ on a Si(100) wafer have been investigated by surface extended x‐ray absorption fine structure (SEXAFS) above the oxygen K absorption edge (∼530 eV). The SiO bond length of the native oxide is identical with that of α‐quartz and amorphous silica and the SiO bond length of the thermal oxides corresponds closely to that of β‐quartz which is the medium temperature modification of α‐quartz.

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