Response of the local structure of complex oxides to mechanical action

verfasst von: Vladimir Šepelák, Ingo Bergmann, Sylvio Indris, Armin Feldhoff, Paul Heitjans, Klaus Dieter Becker
Abstract: Owing to the structural flexibility of complex oxides, providing a wide range of physical and chemical behavior, these materials have been considered as a convenient model system for the investigation of mechanically induced processes and of the structure-property relationships in complex ionic systems. In this work, it is demonstrated that spectroscopic methods (nuclear magnetic resonance spectroscopy, Mössbauer spectroscopy and X-ray photoelectron spectroscopy) can provide valuable insight into the mechanochemically induced changes in local structure such as the mechanically induced cation redistribution, the formation of the canted spin arrangement, the modification of the nearest-neighbor cation configuration and the deformation of the polyhedron geometry in spinel aluminates and ferrites. Quantitative information is obtained on the particle size dependent ionic and spin configurations in nanosized spinel oxides prepared by mechanochemical processing of the corresponding bulk materials.
Organisationseinheit(en): ZFM - Zentrum für Festkörperchemie und Neue Materialien
Institut für Physikalische Chemie und Elektrochemie
Externe Organisation(en): Karlsruher Institut für Technologie (KIT)
Slovak Academy of Sciences
Volkswagen AG
Technische Universität Braunschweig
Typ: Artikel
Journal: Annales de Chimie: Science des Materiaux
Band: 34
Seiten: 377-390
Anzahl der Seiten: 14
ISSN: 0151-9107
Publikationsdatum: 11.2009
Publikationsstatus: Veröffentlicht
Peer-reviewed: Ja
ASJC Scopus Sachgebiete: Werkstoffchemie
Elektronische Version(en): https://doi.org/10.3166/acsm.34.377-390 (Zugang: Geschlossen)

BibTeX

@article{24551203abee4c8dbab59ca0b76222dd,
title = "Response of the local structure of complex oxides to mechanical action",
abstract = "Owing to the structural flexibility of complex oxides, providing a wide range of physical and chemical behavior, these materials have been considered as a convenient model system for the investigation of mechanically induced processes and of the structure-property relationships in complex ionic systems. In this work, it is demonstrated that spectroscopic methods (nuclear magnetic resonance spectroscopy, M{\"o}ssbauer spectroscopy and X-ray photoelectron spectroscopy) can provide valuable insight into the mechanochemically induced changes in local structure such as the mechanically induced cation redistribution, the formation of the canted spin arrangement, the modification of the nearest-neighbor cation configuration and the deformation of the polyhedron geometry in spinel aluminates and ferrites. Quantitative information is obtained on the particle size dependent ionic and spin configurations in nanosized spinel oxides prepared by mechanochemical processing of the corresponding bulk materials.",
author = "Vladimir {\v S}epel{\'a}k and Ingo Bergmann and Sylvio Indris and Armin Feldhoff and Paul Heitjans and Becker, {Klaus Dieter}",
year = "2009",
month = nov,
doi = "10.3166/acsm.34.377-390",
language = "English",
volume = "34",
pages = "377--390",
journal = "Annales de Chimie: Science des Materiaux",
issn = "0151-9107",
publisher = "Lavoisier",
number = "6",
}