Insights into Ferroelectric BaTiO<sub>3</sub>: Revealing Fundamental and Functional Aspects through Electron Spectroscopy
<p id="p1">X-ray absorption (XAS) and photoelectron spectroscopy (XPS or PES or ESCA—electronic structure for chemical analysis) are widely used techniques that allow to access the full electronic structure of the surfaces and buried interfaces offering complementary information on both the oc...
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| Formato: | Capítulo de libro |
| Lenguaje: | inglés |
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IntechOpen
2024
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| Materias: | |
| Acceso en línea: | https://www.intechopen.com/chapters/89322 |
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| Sumario: | <p id="p1">X-ray absorption (XAS) and photoelectron spectroscopy (XPS or PES or ESCA—electronic structure for chemical analysis) are widely used techniques that allow to access the full electronic structure of the surfaces and buried interfaces offering complementary information on both the occupied (valence) and empty (conduction) states. XAS technique relies on measuring the signal corresponding to dipole-allowed transition, hence shines-up the unoccupied states’ investigation, which differs from XPS, where electrons are ejected from occupied states into the continuum, probing the occupied density of states. In the following, our purpose is to illustrate some of the potentials of XPS and XAS techniques by presenting some of the work where they were employed to study and describe bulk and interfacial phenomena in BaTiO<sub>3</sub> systems.</p> |
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| ISBN: | 978-0-85014-081-1 |
| DOI: | 10.5772/intechopen.114899 |