Composition and Growth of Thermal and Anodic Oxides on InAlP

Kleber, Sebastian; Graham, M. J.; Moisa, S.; Sproule, G. I.; Wu, Xiaohua; Landheer, D.; SpringThorpe, A. J.; Barrios, Pedro; Schmuki, Patrik

doi:10.1016/b978-044452224-5/50043-3

Cited by 1 publication

(2 citation statements)

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“…More likely, the higher binding energy peak is actually a hydroxyl species. 16,17 The only other features seen in the In 3d region are due to Kα 3 and Kα 4 lines from the un-monochromated x-ray source, observed as satellites of large peaks at ~8.4 eV lower binding energy in collected XPS spectra.…”

Section: Authentic Control Samplesmentioning

confidence: 99%

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The oxidation and surface speciation of indium and indium oxides exposed to atmospheric oxidants

et al. 2016

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Metallic Indium and its oxides are useful in electronics applications in transparent conducting electrodes, as well as in electrocatalytic applications. In order to understand more fully the speciation of the indium and oxygen composition of the indium surface exposed to atmospheric oxidants, XPS, HREELS, and TPD were used to study the indium surface exposed to water, oxygen, and carbon dioxide. Clean In and authentic samples of In 2 O 3 and In(OH) 3 were examined with XPS to provide standard spectra. Indium was exposed to O 2 and H 2 O, and the ratio of O 2to OHin the O1s XPS region was used to monitor oxidation and speciation of the surface. HREELS and TPD indicate that water dissociates on the indium surface even at low temperature, and that In 2 O 3 forms at higher temperatures. Initially, OH-is the major species at the surface. Pure In 2 O 3 is also OH-terminated following water exposure. Ambient pressure XPS studies of water exposure to these surfaces suggest that high water pressures tend to passivate the surface, inhibiting extensive oxide formation. † These authors contributed equally to the work described here.

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Section: Authentic Control Samplesmentioning

confidence: 99%

“…11,13 Those who attribute the higher binding energy peak to a hydroxyl species do so in analogy to what has previously been reported for oxygen speciation at other metal oxide interfaces. 17,19 For this reason, the oxidation study performed by Rossnagel et. al.…”

Section: Oxidation Of Indium With Gases (O 2 H 2 O and Co 2 ) Monitmentioning

confidence: 99%