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Bulk In2O3 crystals grown by chemical vapour transport: a combination of XPS and DFT studies

Zatsepin, D. A. ; Boukhvalov, D. W. ; Zatsepin, A. F. ; Vines, L. ; Gogova, D. ; Shur, V. Ya ; Esin, A. A.

Journal of materials science. Materials in electronics, 2019-10, Vol.30 (20), p.18753-18758 [Periódico revisado por pares]

New York: Springer US

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Título:
Bulk In2O3 crystals grown by chemical vapour transport: a combination of XPS and DFT studies
Autor: Zatsepin, D. A. ; Boukhvalov, D. W. ; Zatsepin, A. F. ; Vines, L. ; Gogova, D. ; Shur, V. Ya ; Esin, A. A.
Assuntos: Characterization and Evaluation of Materials ; Chemical synthesis ; Chemistry and Materials Science ; Configurations ; Crystal defects ; Crystal growth ; Electrons ; Energy resolution ; Indium oxides ; Materials Science ; Mathematical analysis ; Optical and Electronic Materials ; Organic chemistry ; Photoelectrons ; Spectrum analysis ; Transport ; Valence band ; X ray photoelectron spectroscopy
É parte de: Journal of materials science. Materials in electronics, 2019-10, Vol.30 (20), p.18753-18758
Notas: NFR/239895
Descrição: High purity In 2 O 3 crystals were synthesized by the chemical vapour transport (CVT) as confirmed by X-ray Photoelectron Spectroscopy (XPS) using survey, core-levels and valence band scans of the samples. Further, high energy resolution XPS spectra revealed perfectly bonded In 3d configuration and excluded the presence of metallic In 0 , concurrently, the dual band observed for O 1s configuration was interpreted in term of the additional defectiveness in the oxygen sublattice. The valence band as measured by XPS is in agreement with the calculated one using DFT approach, and an insignificant shift of valence band toward Fermi level (about 0.05 eV) caused by the presence of the defects was established. Moreover, the energetics of the primarily defects were calculated and the trends were set in the perspective of XPS measurements. Altogether we make CVT In 2 O 3 crystals ready to be used for the onward studies and technical applications.
Editor: New York: Springer US
Idioma: Inglês;Norueguês

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Bulk In2O3 crystals grown by chemical vapour transport: a combination of XPS and DFT studies

Zatsepin, D. A. ; Boukhvalov, D. W. ; Zatsepin, A. F. ; Vines, L. ; Gogova, D. ; Shur, V. Ya ; Esin, A. A.

New York: Springer US

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