Direct observation of defect levels in InN by soft x-ray absorption spectroscopy

Article Abstract:

Synchrotron-based near edge X-ray absorption fine structure (NEXAFS) spectroscopy was used to study the electronic of nitrogen-related defects in InN(0001). The NEXAFS revealed several defects created by ion-bombardment within the band gap or the conduction band around the nitrogen K-edge of InN and it also provided conclusive experimental evidence for the formation of interstitial nitrogen.

Science & research, Research, X-ray spectroscopy, Chemical properties, Nitrides

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Structural, electronic, and optical properties of oxygen defects in [Zn.sub.3][N.sub.2]

Article Abstract:

Density functional theory is used to study the structural, electronic and optical properties of oxygen-defective [Zn.sub.3][N.sub.2]. The results have shown that [Zn.sub.3][N.sub.2] with nitrogen replaced by oxygen is more stable than that with interstitial oxygen and substitutional oxygen for nitrogen in defective [Zn.sub.3][N.sub.2] is responsible for the n-type conduction character.

Analysis, Optical properties, Density functionals, Density functional theory, Zinc compounds

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Photoelectron spectroscopic investigation of nitrogen-doped titania nanoparticles

Article Abstract:

A series of titania (TiO2)-based nanometer-sized photocatalysts, including nitrogen-doped TiO2 nanoparticles (NPs), are investigated using X-ray photoelectron spectroscopy (XPS). Conclusive evidence is obtained for O-Ti-N bond formation during the process.

Titanium dioxide, Photoelectron spectroscopy

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