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Structure Elucidation of Complex Endotaxially Intergrown Lanthanum Barium Oxonitridosilicate Oxides by Combination of Microfocused Synchrotron Radiation and Transmission Electron Microscopy

Single‐crystalline domains in intergrown microcrystalline material of the new compounds Ba(22.5+x )La(55−x )[Si(129)N(240−x )O( x )]O(3):Ce(3+) and Ba(25.5+x )La(77−x )[Si(170)N(312−x )O(9+x )]O(4):Ce(3+) were identified by transmission electron microscopy (TEM). Precise diffraction data from these...

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Autores principales: Gamperl, Lisa, Neudert, Lukas, Schultz, Peter, Durach, Dajana, Schnick, Wolfgang, Oeckler, Oliver
Formato: Online Artículo Texto
Lenguaje:English
Publicado: John Wiley and Sons Inc. 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8518372/
https://www.ncbi.nlm.nih.gov/pubmed/34240752
http://dx.doi.org/10.1002/chem.202101665
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author Gamperl, Lisa
Neudert, Lukas
Schultz, Peter
Durach, Dajana
Schnick, Wolfgang
Oeckler, Oliver
author_facet Gamperl, Lisa
Neudert, Lukas
Schultz, Peter
Durach, Dajana
Schnick, Wolfgang
Oeckler, Oliver
author_sort Gamperl, Lisa
collection PubMed
description Single‐crystalline domains in intergrown microcrystalline material of the new compounds Ba(22.5+x )La(55−x )[Si(129)N(240−x )O( x )]O(3):Ce(3+) and Ba(25.5+x )La(77−x )[Si(170)N(312−x )O(9+x )]O(4):Ce(3+) were identified by transmission electron microscopy (TEM). Precise diffraction data from these domains were collected with microfocused synchrotron radiation so that crystal structure elucidation of the complex disordered networks became possible. They are composed of two different interconnected slabs of which one is similar in both compounds, which explains their notorious intergrowth. The distribution of Ba and La is indicated by the analysis of bond‐valence sums and by comparison with isostructural Sr(28.5+x )La(75−x )[Si(170)N(312−x )O(9+x )]O(4). Ce(3+) doping leads to yellow luminescence. This is a showcase that highlights the discovery and accurate characterization of new compounds relevant for luminescence applications from heterogeneous microcrystalline samples by exploiting the capability of the combination of TEM and diffraction using the latest focusing techniques for synchrotron radiation.
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spelling pubmed-85183722021-10-21 Structure Elucidation of Complex Endotaxially Intergrown Lanthanum Barium Oxonitridosilicate Oxides by Combination of Microfocused Synchrotron Radiation and Transmission Electron Microscopy Gamperl, Lisa Neudert, Lukas Schultz, Peter Durach, Dajana Schnick, Wolfgang Oeckler, Oliver Chemistry Full Papers Single‐crystalline domains in intergrown microcrystalline material of the new compounds Ba(22.5+x )La(55−x )[Si(129)N(240−x )O( x )]O(3):Ce(3+) and Ba(25.5+x )La(77−x )[Si(170)N(312−x )O(9+x )]O(4):Ce(3+) were identified by transmission electron microscopy (TEM). Precise diffraction data from these domains were collected with microfocused synchrotron radiation so that crystal structure elucidation of the complex disordered networks became possible. They are composed of two different interconnected slabs of which one is similar in both compounds, which explains their notorious intergrowth. The distribution of Ba and La is indicated by the analysis of bond‐valence sums and by comparison with isostructural Sr(28.5+x )La(75−x )[Si(170)N(312−x )O(9+x )]O(4). Ce(3+) doping leads to yellow luminescence. This is a showcase that highlights the discovery and accurate characterization of new compounds relevant for luminescence applications from heterogeneous microcrystalline samples by exploiting the capability of the combination of TEM and diffraction using the latest focusing techniques for synchrotron radiation. John Wiley and Sons Inc. 2021-08-03 2021-09-06 /pmc/articles/PMC8518372/ /pubmed/34240752 http://dx.doi.org/10.1002/chem.202101665 Text en © 2021 The Authors. Chemistry - A European Journal published by Wiley-VCH GmbH https://creativecommons.org/licenses/by-nc-nd/4.0/This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc-nd/4.0/ (https://creativecommons.org/licenses/by-nc-nd/4.0/) License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.
spellingShingle Full Papers
Gamperl, Lisa
Neudert, Lukas
Schultz, Peter
Durach, Dajana
Schnick, Wolfgang
Oeckler, Oliver
Structure Elucidation of Complex Endotaxially Intergrown Lanthanum Barium Oxonitridosilicate Oxides by Combination of Microfocused Synchrotron Radiation and Transmission Electron Microscopy
title Structure Elucidation of Complex Endotaxially Intergrown Lanthanum Barium Oxonitridosilicate Oxides by Combination of Microfocused Synchrotron Radiation and Transmission Electron Microscopy
title_full Structure Elucidation of Complex Endotaxially Intergrown Lanthanum Barium Oxonitridosilicate Oxides by Combination of Microfocused Synchrotron Radiation and Transmission Electron Microscopy
title_fullStr Structure Elucidation of Complex Endotaxially Intergrown Lanthanum Barium Oxonitridosilicate Oxides by Combination of Microfocused Synchrotron Radiation and Transmission Electron Microscopy
title_full_unstemmed Structure Elucidation of Complex Endotaxially Intergrown Lanthanum Barium Oxonitridosilicate Oxides by Combination of Microfocused Synchrotron Radiation and Transmission Electron Microscopy
title_short Structure Elucidation of Complex Endotaxially Intergrown Lanthanum Barium Oxonitridosilicate Oxides by Combination of Microfocused Synchrotron Radiation and Transmission Electron Microscopy
title_sort structure elucidation of complex endotaxially intergrown lanthanum barium oxonitridosilicate oxides by combination of microfocused synchrotron radiation and transmission electron microscopy
topic Full Papers
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8518372/
https://www.ncbi.nlm.nih.gov/pubmed/34240752
http://dx.doi.org/10.1002/chem.202101665
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